diff options
| author | Remko Tronçon <git@el-tramo.be> | 2010-02-11 12:14:00 (GMT) | 
|---|---|---|
| committer | Remko Tronçon <git@el-tramo.be> | 2010-02-11 12:14:00 (GMT) | 
| commit | 0efa7c32aaf21a29b42b5926cc116007056843be (patch) | |
| tree | 882f663a5dd0e65694bf6077b71086dd77fd7ff8 /3rdParty/ZLib/src | |
| parent | 1d20eabbc32274b491b4c2bedf73d19933d97bfd (diff) | |
| download | swift-0efa7c32aaf21a29b42b5926cc116007056843be.zip swift-0efa7c32aaf21a29b42b5926cc116007056843be.tar.bz2  | |
Moved some modules into separate git modules.
Diffstat (limited to '3rdParty/ZLib/src')
| m--------- | 3rdParty/ZLib | 0 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/adler32.c | 149 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/compress.c | 79 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/crc32.c | 423 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/crc32.h | 441 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/deflate.c | 1736 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/deflate.h | 331 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/gzio.c | 1026 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/infback.c | 623 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/inffast.c | 318 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/inffast.h | 11 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/inffixed.h | 94 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/inflate.c | 1368 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/inflate.h | 115 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/inftrees.c | 329 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/inftrees.h | 55 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/trees.c | 1219 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/trees.h | 128 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/uncompr.c | 61 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/zconf.h | 332 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/zlib.h | 1357 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/zutil.c | 318 | ||||
| -rw-r--r-- | 3rdParty/ZLib/src/zutil.h | 269 | 
23 files changed, 0 insertions, 10782 deletions
diff --git a/3rdParty/ZLib b/3rdParty/ZLib new file mode 160000 +Subproject 9d043b1e27a5c7a55d9811b9509012046ad0bdb diff --git a/3rdParty/ZLib/src/adler32.c b/3rdParty/ZLib/src/adler32.c deleted file mode 100644 index 007ba26..0000000 --- a/3rdParty/ZLib/src/adler32.c +++ /dev/null @@ -1,149 +0,0 @@ -/* adler32.c -- compute the Adler-32 checksum of a data stream - * Copyright (C) 1995-2004 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* @(#) $Id$ */ - -#define ZLIB_INTERNAL -#include "zlib.h" - -#define BASE 65521UL    /* largest prime smaller than 65536 */ -#define NMAX 5552 -/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */ - -#define DO1(buf,i)  {adler += (buf)[i]; sum2 += adler;} -#define DO2(buf,i)  DO1(buf,i); DO1(buf,i+1); -#define DO4(buf,i)  DO2(buf,i); DO2(buf,i+2); -#define DO8(buf,i)  DO4(buf,i); DO4(buf,i+4); -#define DO16(buf)   DO8(buf,0); DO8(buf,8); - -/* use NO_DIVIDE if your processor does not do division in hardware */ -#ifdef NO_DIVIDE -#  define MOD(a) \ -    do { \ -        if (a >= (BASE << 16)) a -= (BASE << 16); \ -        if (a >= (BASE << 15)) a -= (BASE << 15); \ -        if (a >= (BASE << 14)) a -= (BASE << 14); \ -        if (a >= (BASE << 13)) a -= (BASE << 13); \ -        if (a >= (BASE << 12)) a -= (BASE << 12); \ -        if (a >= (BASE << 11)) a -= (BASE << 11); \ -        if (a >= (BASE << 10)) a -= (BASE << 10); \ -        if (a >= (BASE << 9)) a -= (BASE << 9); \ -        if (a >= (BASE << 8)) a -= (BASE << 8); \ -        if (a >= (BASE << 7)) a -= (BASE << 7); \ -        if (a >= (BASE << 6)) a -= (BASE << 6); \ -        if (a >= (BASE << 5)) a -= (BASE << 5); \ -        if (a >= (BASE << 4)) a -= (BASE << 4); \ -        if (a >= (BASE << 3)) a -= (BASE << 3); \ -        if (a >= (BASE << 2)) a -= (BASE << 2); \ -        if (a >= (BASE << 1)) a -= (BASE << 1); \ -        if (a >= BASE) a -= BASE; \ -    } while (0) -#  define MOD4(a) \ -    do { \ -        if (a >= (BASE << 4)) a -= (BASE << 4); \ -        if (a >= (BASE << 3)) a -= (BASE << 3); \ -        if (a >= (BASE << 2)) a -= (BASE << 2); \ -        if (a >= (BASE << 1)) a -= (BASE << 1); \ -        if (a >= BASE) a -= BASE; \ -    } while (0) -#else -#  define MOD(a) a %= BASE -#  define MOD4(a) a %= BASE -#endif - -/* ========================================================================= */ -uLong ZEXPORT adler32(adler, buf, len) -    uLong adler; -    const Bytef *buf; -    uInt len; -{ -    unsigned long sum2; -    unsigned n; - -    /* split Adler-32 into component sums */ -    sum2 = (adler >> 16) & 0xffff; -    adler &= 0xffff; - -    /* in case user likes doing a byte at a time, keep it fast */ -    if (len == 1) { -        adler += buf[0]; -        if (adler >= BASE) -            adler -= BASE; -        sum2 += adler; -        if (sum2 >= BASE) -            sum2 -= BASE; -        return adler | (sum2 << 16); -    } - -    /* initial Adler-32 value (deferred check for len == 1 speed) */ -    if (buf == Z_NULL) -        return 1L; - -    /* in case short lengths are provided, keep it somewhat fast */ -    if (len < 16) { -        while (len--) { -            adler += *buf++; -            sum2 += adler; -        } -        if (adler >= BASE) -            adler -= BASE; -        MOD4(sum2);             /* only added so many BASE's */ -        return adler | (sum2 << 16); -    } - -    /* do length NMAX blocks -- requires just one modulo operation */ -    while (len >= NMAX) { -        len -= NMAX; -        n = NMAX / 16;          /* NMAX is divisible by 16 */ -        do { -            DO16(buf);          /* 16 sums unrolled */ -            buf += 16; -        } while (--n); -        MOD(adler); -        MOD(sum2); -    } - -    /* do remaining bytes (less than NMAX, still just one modulo) */ -    if (len) {                  /* avoid modulos if none remaining */ -        while (len >= 16) { -            len -= 16; -            DO16(buf); -            buf += 16; -        } -        while (len--) { -            adler += *buf++; -            sum2 += adler; -        } -        MOD(adler); -        MOD(sum2); -    } - -    /* return recombined sums */ -    return adler | (sum2 << 16); -} - -/* ========================================================================= */ -uLong ZEXPORT adler32_combine(adler1, adler2, len2) -    uLong adler1; -    uLong adler2; -    z_off_t len2; -{ -    unsigned long sum1; -    unsigned long sum2; -    unsigned rem; - -    /* the derivation of this formula is left as an exercise for the reader */ -    rem = (unsigned)(len2 % BASE); -    sum1 = adler1 & 0xffff; -    sum2 = rem * sum1; -    MOD(sum2); -    sum1 += (adler2 & 0xffff) + BASE - 1; -    sum2 += ((adler1 >> 16) & 0xffff) + ((adler2 >> 16) & 0xffff) + BASE - rem; -    if (sum1 > BASE) sum1 -= BASE; -    if (sum1 > BASE) sum1 -= BASE; -    if (sum2 > (BASE << 1)) sum2 -= (BASE << 1); -    if (sum2 > BASE) sum2 -= BASE; -    return sum1 | (sum2 << 16); -} diff --git a/3rdParty/ZLib/src/compress.c b/3rdParty/ZLib/src/compress.c deleted file mode 100644 index df04f01..0000000 --- a/3rdParty/ZLib/src/compress.c +++ /dev/null @@ -1,79 +0,0 @@ -/* compress.c -- compress a memory buffer - * Copyright (C) 1995-2003 Jean-loup Gailly. - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* @(#) $Id$ */ - -#define ZLIB_INTERNAL -#include "zlib.h" - -/* =========================================================================== -     Compresses the source buffer into the destination buffer. The level -   parameter has the same meaning as in deflateInit.  sourceLen is the byte -   length of the source buffer. Upon entry, destLen is the total size of the -   destination buffer, which must be at least 0.1% larger than sourceLen plus -   12 bytes. Upon exit, destLen is the actual size of the compressed buffer. - -     compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough -   memory, Z_BUF_ERROR if there was not enough room in the output buffer, -   Z_STREAM_ERROR if the level parameter is invalid. -*/ -int ZEXPORT compress2 (dest, destLen, source, sourceLen, level) -    Bytef *dest; -    uLongf *destLen; -    const Bytef *source; -    uLong sourceLen; -    int level; -{ -    z_stream stream; -    int err; - -    stream.next_in = (Bytef*)source; -    stream.avail_in = (uInt)sourceLen; -#ifdef MAXSEG_64K -    /* Check for source > 64K on 16-bit machine: */ -    if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR; -#endif -    stream.next_out = dest; -    stream.avail_out = (uInt)*destLen; -    if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR; - -    stream.zalloc = (alloc_func)0; -    stream.zfree = (free_func)0; -    stream.opaque = (voidpf)0; - -    err = deflateInit(&stream, level); -    if (err != Z_OK) return err; - -    err = deflate(&stream, Z_FINISH); -    if (err != Z_STREAM_END) { -        deflateEnd(&stream); -        return err == Z_OK ? Z_BUF_ERROR : err; -    } -    *destLen = stream.total_out; - -    err = deflateEnd(&stream); -    return err; -} - -/* =========================================================================== - */ -int ZEXPORT compress (dest, destLen, source, sourceLen) -    Bytef *dest; -    uLongf *destLen; -    const Bytef *source; -    uLong sourceLen; -{ -    return compress2(dest, destLen, source, sourceLen, Z_DEFAULT_COMPRESSION); -} - -/* =========================================================================== -     If the default memLevel or windowBits for deflateInit() is changed, then -   this function needs to be updated. - */ -uLong ZEXPORT compressBound (sourceLen) -    uLong sourceLen; -{ -    return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) + 11; -} diff --git a/3rdParty/ZLib/src/crc32.c b/3rdParty/ZLib/src/crc32.c deleted file mode 100644 index f658a9e..0000000 --- a/3rdParty/ZLib/src/crc32.c +++ /dev/null @@ -1,423 +0,0 @@ -/* crc32.c -- compute the CRC-32 of a data stream - * Copyright (C) 1995-2005 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - * - * Thanks to Rodney Brown <rbrown64@csc.com.au> for his contribution of faster - * CRC methods: exclusive-oring 32 bits of data at a time, and pre-computing - * tables for updating the shift register in one step with three exclusive-ors - * instead of four steps with four exclusive-ors.  This results in about a - * factor of two increase in speed on a Power PC G4 (PPC7455) using gcc -O3. - */ - -/* @(#) $Id$ */ - -/* -  Note on the use of DYNAMIC_CRC_TABLE: there is no mutex or semaphore -  protection on the static variables used to control the first-use generation -  of the crc tables.  Therefore, if you #define DYNAMIC_CRC_TABLE, you should -  first call get_crc_table() to initialize the tables before allowing more than -  one thread to use crc32(). - */ - -#ifdef MAKECRCH -#  include <stdio.h> -#  ifndef DYNAMIC_CRC_TABLE -#    define DYNAMIC_CRC_TABLE -#  endif /* !DYNAMIC_CRC_TABLE */ -#endif /* MAKECRCH */ - -#include "zutil.h"      /* for STDC and FAR definitions */ - -#define local static - -/* Find a four-byte integer type for crc32_little() and crc32_big(). */ -#ifndef NOBYFOUR -#  ifdef STDC           /* need ANSI C limits.h to determine sizes */ -#    include <limits.h> -#    define BYFOUR -#    if (UINT_MAX == 0xffffffffUL) -       typedef unsigned int u4; -#    else -#      if (ULONG_MAX == 0xffffffffUL) -         typedef unsigned long u4; -#      else -#        if (USHRT_MAX == 0xffffffffUL) -           typedef unsigned short u4; -#        else -#          undef BYFOUR     /* can't find a four-byte integer type! */ -#        endif -#      endif -#    endif -#  endif /* STDC */ -#endif /* !NOBYFOUR */ - -/* Definitions for doing the crc four data bytes at a time. */ -#ifdef BYFOUR -#  define REV(w) (((w)>>24)+(((w)>>8)&0xff00)+ \ -                (((w)&0xff00)<<8)+(((w)&0xff)<<24)) -   local unsigned long crc32_little OF((unsigned long, -                        const unsigned char FAR *, unsigned)); -   local unsigned long crc32_big OF((unsigned long, -                        const unsigned char FAR *, unsigned)); -#  define TBLS 8 -#else -#  define TBLS 1 -#endif /* BYFOUR */ - -/* Local functions for crc concatenation */ -local unsigned long gf2_matrix_times OF((unsigned long *mat, -                                         unsigned long vec)); -local void gf2_matrix_square OF((unsigned long *square, unsigned long *mat)); - -#ifdef DYNAMIC_CRC_TABLE - -local volatile int crc_table_empty = 1; -local unsigned long FAR crc_table[TBLS][256]; -local void make_crc_table OF((void)); -#ifdef MAKECRCH -   local void write_table OF((FILE *, const unsigned long FAR *)); -#endif /* MAKECRCH */ -/* -  Generate tables for a byte-wise 32-bit CRC calculation on the polynomial: -  x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1. - -  Polynomials over GF(2) are represented in binary, one bit per coefficient, -  with the lowest powers in the most significant bit.  Then adding polynomials -  is just exclusive-or, and multiplying a polynomial by x is a right shift by -  one.  If we call the above polynomial p, and represent a byte as the -  polynomial q, also with the lowest power in the most significant bit (so the -  byte 0xb1 is the polynomial x^7+x^3+x+1), then the CRC is (q*x^32) mod p, -  where a mod b means the remainder after dividing a by b. - -  This calculation is done using the shift-register method of multiplying and -  taking the remainder.  The register is initialized to zero, and for each -  incoming bit, x^32 is added mod p to the register if the bit is a one (where -  x^32 mod p is p+x^32 = x^26+...+1), and the register is multiplied mod p by -  x (which is shifting right by one and adding x^32 mod p if the bit shifted -  out is a one).  We start with the highest power (least significant bit) of -  q and repeat for all eight bits of q. - -  The first table is simply the CRC of all possible eight bit values.  This is -  all the information needed to generate CRCs on data a byte at a time for all -  combinations of CRC register values and incoming bytes.  The remaining tables -  allow for word-at-a-time CRC calculation for both big-endian and little- -  endian machines, where a word is four bytes. -*/ -local void make_crc_table() -{ -    unsigned long c; -    int n, k; -    unsigned long poly;                 /* polynomial exclusive-or pattern */ -    /* terms of polynomial defining this crc (except x^32): */ -    static volatile int first = 1;      /* flag to limit concurrent making */ -    static const unsigned char p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26}; - -    /* See if another task is already doing this (not thread-safe, but better -       than nothing -- significantly reduces duration of vulnerability in -       case the advice about DYNAMIC_CRC_TABLE is ignored) */ -    if (first) { -        first = 0; - -        /* make exclusive-or pattern from polynomial (0xedb88320UL) */ -        poly = 0UL; -        for (n = 0; n < sizeof(p)/sizeof(unsigned char); n++) -            poly |= 1UL << (31 - p[n]); - -        /* generate a crc for every 8-bit value */ -        for (n = 0; n < 256; n++) { -            c = (unsigned long)n; -            for (k = 0; k < 8; k++) -                c = c & 1 ? poly ^ (c >> 1) : c >> 1; -            crc_table[0][n] = c; -        } - -#ifdef BYFOUR -        /* generate crc for each value followed by one, two, and three zeros, -           and then the byte reversal of those as well as the first table */ -        for (n = 0; n < 256; n++) { -            c = crc_table[0][n]; -            crc_table[4][n] = REV(c); -            for (k = 1; k < 4; k++) { -                c = crc_table[0][c & 0xff] ^ (c >> 8); -                crc_table[k][n] = c; -                crc_table[k + 4][n] = REV(c); -            } -        } -#endif /* BYFOUR */ - -        crc_table_empty = 0; -    } -    else {      /* not first */ -        /* wait for the other guy to finish (not efficient, but rare) */ -        while (crc_table_empty) -            ; -    } - -#ifdef MAKECRCH -    /* write out CRC tables to crc32.h */ -    { -        FILE *out; - -        out = fopen("crc32.h", "w"); -        if (out == NULL) return; -        fprintf(out, "/* crc32.h -- tables for rapid CRC calculation\n"); -        fprintf(out, " * Generated automatically by crc32.c\n */\n\n"); -        fprintf(out, "local const unsigned long FAR "); -        fprintf(out, "crc_table[TBLS][256] =\n{\n  {\n"); -        write_table(out, crc_table[0]); -#  ifdef BYFOUR -        fprintf(out, "#ifdef BYFOUR\n"); -        for (k = 1; k < 8; k++) { -            fprintf(out, "  },\n  {\n"); -            write_table(out, crc_table[k]); -        } -        fprintf(out, "#endif\n"); -#  endif /* BYFOUR */ -        fprintf(out, "  }\n};\n"); -        fclose(out); -    } -#endif /* MAKECRCH */ -} - -#ifdef MAKECRCH -local void write_table(out, table) -    FILE *out; -    const unsigned long FAR *table; -{ -    int n; - -    for (n = 0; n < 256; n++) -        fprintf(out, "%s0x%08lxUL%s", n % 5 ? "" : "    ", table[n], -                n == 255 ? "\n" : (n % 5 == 4 ? ",\n" : ", ")); -} -#endif /* MAKECRCH */ - -#else /* !DYNAMIC_CRC_TABLE */ -/* ======================================================================== - * Tables of CRC-32s of all single-byte values, made by make_crc_table(). - */ -#include "crc32.h" -#endif /* DYNAMIC_CRC_TABLE */ - -/* ========================================================================= - * This function can be used by asm versions of crc32() - */ -const unsigned long FAR * ZEXPORT get_crc_table() -{ -#ifdef DYNAMIC_CRC_TABLE -    if (crc_table_empty) -        make_crc_table(); -#endif /* DYNAMIC_CRC_TABLE */ -    return (const unsigned long FAR *)crc_table; -} - -/* ========================================================================= */ -#define DO1 crc = crc_table[0][((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8) -#define DO8 DO1; DO1; DO1; DO1; DO1; DO1; DO1; DO1 - -/* ========================================================================= */ -unsigned long ZEXPORT crc32(crc, buf, len) -    unsigned long crc; -    const unsigned char FAR *buf; -    unsigned len; -{ -    if (buf == Z_NULL) return 0UL; - -#ifdef DYNAMIC_CRC_TABLE -    if (crc_table_empty) -        make_crc_table(); -#endif /* DYNAMIC_CRC_TABLE */ - -#ifdef BYFOUR -    if (sizeof(void *) == sizeof(ptrdiff_t)) { -        u4 endian; - -        endian = 1; -        if (*((unsigned char *)(&endian))) -            return crc32_little(crc, buf, len); -        else -            return crc32_big(crc, buf, len); -    } -#endif /* BYFOUR */ -    crc = crc ^ 0xffffffffUL; -    while (len >= 8) { -        DO8; -        len -= 8; -    } -    if (len) do { -        DO1; -    } while (--len); -    return crc ^ 0xffffffffUL; -} - -#ifdef BYFOUR - -/* ========================================================================= */ -#define DOLIT4 c ^= *buf4++; \ -        c = crc_table[3][c & 0xff] ^ crc_table[2][(c >> 8) & 0xff] ^ \ -            crc_table[1][(c >> 16) & 0xff] ^ crc_table[0][c >> 24] -#define DOLIT32 DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4 - -/* ========================================================================= */ -local unsigned long crc32_little(crc, buf, len) -    unsigned long crc; -    const unsigned char FAR *buf; -    unsigned len; -{ -    register u4 c; -    register const u4 FAR *buf4; - -    c = (u4)crc; -    c = ~c; -    while (len && ((ptrdiff_t)buf & 3)) { -        c = crc_table[0][(c ^ *buf++) & 0xff] ^ (c >> 8); -        len--; -    } - -    buf4 = (const u4 FAR *)(const void FAR *)buf; -    while (len >= 32) { -        DOLIT32; -        len -= 32; -    } -    while (len >= 4) { -        DOLIT4; -        len -= 4; -    } -    buf = (const unsigned char FAR *)buf4; - -    if (len) do { -        c = crc_table[0][(c ^ *buf++) & 0xff] ^ (c >> 8); -    } while (--len); -    c = ~c; -    return (unsigned long)c; -} - -/* ========================================================================= */ -#define DOBIG4 c ^= *++buf4; \ -        c = crc_table[4][c & 0xff] ^ crc_table[5][(c >> 8) & 0xff] ^ \ -            crc_table[6][(c >> 16) & 0xff] ^ crc_table[7][c >> 24] -#define DOBIG32 DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4 - -/* ========================================================================= */ -local unsigned long crc32_big(crc, buf, len) -    unsigned long crc; -    const unsigned char FAR *buf; -    unsigned len; -{ -    register u4 c; -    register const u4 FAR *buf4; - -    c = REV((u4)crc); -    c = ~c; -    while (len && ((ptrdiff_t)buf & 3)) { -        c = crc_table[4][(c >> 24) ^ *buf++] ^ (c << 8); -        len--; -    } - -    buf4 = (const u4 FAR *)(const void FAR *)buf; -    buf4--; -    while (len >= 32) { -        DOBIG32; -        len -= 32; -    } -    while (len >= 4) { -        DOBIG4; -        len -= 4; -    } -    buf4++; -    buf = (const unsigned char FAR *)buf4; - -    if (len) do { -        c = crc_table[4][(c >> 24) ^ *buf++] ^ (c << 8); -    } while (--len); -    c = ~c; -    return (unsigned long)(REV(c)); -} - -#endif /* BYFOUR */ - -#define GF2_DIM 32      /* dimension of GF(2) vectors (length of CRC) */ - -/* ========================================================================= */ -local unsigned long gf2_matrix_times(mat, vec) -    unsigned long *mat; -    unsigned long vec; -{ -    unsigned long sum; - -    sum = 0; -    while (vec) { -        if (vec & 1) -            sum ^= *mat; -        vec >>= 1; -        mat++; -    } -    return sum; -} - -/* ========================================================================= */ -local void gf2_matrix_square(square, mat) -    unsigned long *square; -    unsigned long *mat; -{ -    int n; - -    for (n = 0; n < GF2_DIM; n++) -        square[n] = gf2_matrix_times(mat, mat[n]); -} - -/* ========================================================================= */ -uLong ZEXPORT crc32_combine(crc1, crc2, len2) -    uLong crc1; -    uLong crc2; -    z_off_t len2; -{ -    int n; -    unsigned long row; -    unsigned long even[GF2_DIM];    /* even-power-of-two zeros operator */ -    unsigned long odd[GF2_DIM];     /* odd-power-of-two zeros operator */ - -    /* degenerate case */ -    if (len2 == 0) -        return crc1; - -    /* put operator for one zero bit in odd */ -    odd[0] = 0xedb88320L;           /* CRC-32 polynomial */ -    row = 1; -    for (n = 1; n < GF2_DIM; n++) { -        odd[n] = row; -        row <<= 1; -    } - -    /* put operator for two zero bits in even */ -    gf2_matrix_square(even, odd); - -    /* put operator for four zero bits in odd */ -    gf2_matrix_square(odd, even); - -    /* apply len2 zeros to crc1 (first square will put the operator for one -       zero byte, eight zero bits, in even) */ -    do { -        /* apply zeros operator for this bit of len2 */ -        gf2_matrix_square(even, odd); -        if (len2 & 1) -            crc1 = gf2_matrix_times(even, crc1); -        len2 >>= 1; - -        /* if no more bits set, then done */ -        if (len2 == 0) -            break; - -        /* another iteration of the loop with odd and even swapped */ -        gf2_matrix_square(odd, even); -        if (len2 & 1) -            crc1 = gf2_matrix_times(odd, crc1); -        len2 >>= 1; - -        /* if no more bits set, then done */ -    } while (len2 != 0); - -    /* return combined crc */ -    crc1 ^= crc2; -    return crc1; -} diff --git a/3rdParty/ZLib/src/crc32.h b/3rdParty/ZLib/src/crc32.h deleted file mode 100644 index 8053b61..0000000 --- a/3rdParty/ZLib/src/crc32.h +++ /dev/null @@ -1,441 +0,0 @@ -/* crc32.h -- tables for rapid CRC calculation - * Generated automatically by crc32.c - */ - -local const unsigned long FAR crc_table[TBLS][256] = -{ -  { -    0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL, -    0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL, -    0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL, -    0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL, -    0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL, -    0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL, -    0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL, -    0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL, -    0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL, -    0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL, -    0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL, -    0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL, -    0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL, -    0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL, -    0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL, -    0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL, -    0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL, -    0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL, -    0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL, -    0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL, -    0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL, -    0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL, -    0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL, -    0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL, -    0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL, -    0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL, -    0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL, -    0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL, -    0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL, -    0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL, -    0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL, -    0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL, -    0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL, -    0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL, -    0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL, -    0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL, -    0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL, -    0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL, -    0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL, -    0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL, -    0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL, -    0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL, -    0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL, -    0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL, -    0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL, -    0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL, -    0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL, -    0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL, -    0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL, -    0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, -    0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, -    0x2d02ef8dUL -#ifdef BYFOUR -  }, -  { -    0x00000000UL, 0x191b3141UL, 0x32366282UL, 0x2b2d53c3UL, 0x646cc504UL, -    0x7d77f445UL, 0x565aa786UL, 0x4f4196c7UL, 0xc8d98a08UL, 0xd1c2bb49UL, -    0xfaefe88aUL, 0xe3f4d9cbUL, 0xacb54f0cUL, 0xb5ae7e4dUL, 0x9e832d8eUL, -    0x87981ccfUL, 0x4ac21251UL, 0x53d92310UL, 0x78f470d3UL, 0x61ef4192UL, -    0x2eaed755UL, 0x37b5e614UL, 0x1c98b5d7UL, 0x05838496UL, 0x821b9859UL, -    0x9b00a918UL, 0xb02dfadbUL, 0xa936cb9aUL, 0xe6775d5dUL, 0xff6c6c1cUL, -    0xd4413fdfUL, 0xcd5a0e9eUL, 0x958424a2UL, 0x8c9f15e3UL, 0xa7b24620UL, -    0xbea97761UL, 0xf1e8e1a6UL, 0xe8f3d0e7UL, 0xc3de8324UL, 0xdac5b265UL, -    0x5d5daeaaUL, 0x44469febUL, 0x6f6bcc28UL, 0x7670fd69UL, 0x39316baeUL, -    0x202a5aefUL, 0x0b07092cUL, 0x121c386dUL, 0xdf4636f3UL, 0xc65d07b2UL, -    0xed705471UL, 0xf46b6530UL, 0xbb2af3f7UL, 0xa231c2b6UL, 0x891c9175UL, -    0x9007a034UL, 0x179fbcfbUL, 0x0e848dbaUL, 0x25a9de79UL, 0x3cb2ef38UL, -    0x73f379ffUL, 0x6ae848beUL, 0x41c51b7dUL, 0x58de2a3cUL, 0xf0794f05UL, -    0xe9627e44UL, 0xc24f2d87UL, 0xdb541cc6UL, 0x94158a01UL, 0x8d0ebb40UL, -    0xa623e883UL, 0xbf38d9c2UL, 0x38a0c50dUL, 0x21bbf44cUL, 0x0a96a78fUL, -    0x138d96ceUL, 0x5ccc0009UL, 0x45d73148UL, 0x6efa628bUL, 0x77e153caUL, -    0xbabb5d54UL, 0xa3a06c15UL, 0x888d3fd6UL, 0x91960e97UL, 0xded79850UL, -    0xc7cca911UL, 0xece1fad2UL, 0xf5facb93UL, 0x7262d75cUL, 0x6b79e61dUL, -    0x4054b5deUL, 0x594f849fUL, 0x160e1258UL, 0x0f152319UL, 0x243870daUL, -    0x3d23419bUL, 0x65fd6ba7UL, 0x7ce65ae6UL, 0x57cb0925UL, 0x4ed03864UL, -    0x0191aea3UL, 0x188a9fe2UL, 0x33a7cc21UL, 0x2abcfd60UL, 0xad24e1afUL, -    0xb43fd0eeUL, 0x9f12832dUL, 0x8609b26cUL, 0xc94824abUL, 0xd05315eaUL, -    0xfb7e4629UL, 0xe2657768UL, 0x2f3f79f6UL, 0x362448b7UL, 0x1d091b74UL, -    0x04122a35UL, 0x4b53bcf2UL, 0x52488db3UL, 0x7965de70UL, 0x607eef31UL, -    0xe7e6f3feUL, 0xfefdc2bfUL, 0xd5d0917cUL, 0xcccba03dUL, 0x838a36faUL, -    0x9a9107bbUL, 0xb1bc5478UL, 0xa8a76539UL, 0x3b83984bUL, 0x2298a90aUL, -    0x09b5fac9UL, 0x10aecb88UL, 0x5fef5d4fUL, 0x46f46c0eUL, 0x6dd93fcdUL, -    0x74c20e8cUL, 0xf35a1243UL, 0xea412302UL, 0xc16c70c1UL, 0xd8774180UL, -    0x9736d747UL, 0x8e2de606UL, 0xa500b5c5UL, 0xbc1b8484UL, 0x71418a1aUL, -    0x685abb5bUL, 0x4377e898UL, 0x5a6cd9d9UL, 0x152d4f1eUL, 0x0c367e5fUL, -    0x271b2d9cUL, 0x3e001cddUL, 0xb9980012UL, 0xa0833153UL, 0x8bae6290UL, -    0x92b553d1UL, 0xddf4c516UL, 0xc4eff457UL, 0xefc2a794UL, 0xf6d996d5UL, -    0xae07bce9UL, 0xb71c8da8UL, 0x9c31de6bUL, 0x852aef2aUL, 0xca6b79edUL, -    0xd37048acUL, 0xf85d1b6fUL, 0xe1462a2eUL, 0x66de36e1UL, 0x7fc507a0UL, -    0x54e85463UL, 0x4df36522UL, 0x02b2f3e5UL, 0x1ba9c2a4UL, 0x30849167UL, -    0x299fa026UL, 0xe4c5aeb8UL, 0xfdde9ff9UL, 0xd6f3cc3aUL, 0xcfe8fd7bUL, -    0x80a96bbcUL, 0x99b25afdUL, 0xb29f093eUL, 0xab84387fUL, 0x2c1c24b0UL, -    0x350715f1UL, 0x1e2a4632UL, 0x07317773UL, 0x4870e1b4UL, 0x516bd0f5UL, -    0x7a468336UL, 0x635db277UL, 0xcbfad74eUL, 0xd2e1e60fUL, 0xf9ccb5ccUL, -    0xe0d7848dUL, 0xaf96124aUL, 0xb68d230bUL, 0x9da070c8UL, 0x84bb4189UL, -    0x03235d46UL, 0x1a386c07UL, 0x31153fc4UL, 0x280e0e85UL, 0x674f9842UL, -    0x7e54a903UL, 0x5579fac0UL, 0x4c62cb81UL, 0x8138c51fUL, 0x9823f45eUL, -    0xb30ea79dUL, 0xaa1596dcUL, 0xe554001bUL, 0xfc4f315aUL, 0xd7626299UL, -    0xce7953d8UL, 0x49e14f17UL, 0x50fa7e56UL, 0x7bd72d95UL, 0x62cc1cd4UL, -    0x2d8d8a13UL, 0x3496bb52UL, 0x1fbbe891UL, 0x06a0d9d0UL, 0x5e7ef3ecUL, -    0x4765c2adUL, 0x6c48916eUL, 0x7553a02fUL, 0x3a1236e8UL, 0x230907a9UL, -    0x0824546aUL, 0x113f652bUL, 0x96a779e4UL, 0x8fbc48a5UL, 0xa4911b66UL, -    0xbd8a2a27UL, 0xf2cbbce0UL, 0xebd08da1UL, 0xc0fdde62UL, 0xd9e6ef23UL, -    0x14bce1bdUL, 0x0da7d0fcUL, 0x268a833fUL, 0x3f91b27eUL, 0x70d024b9UL, -    0x69cb15f8UL, 0x42e6463bUL, 0x5bfd777aUL, 0xdc656bb5UL, 0xc57e5af4UL, -    0xee530937UL, 0xf7483876UL, 0xb809aeb1UL, 0xa1129ff0UL, 0x8a3fcc33UL, -    0x9324fd72UL -  }, -  { -    0x00000000UL, 0x01c26a37UL, 0x0384d46eUL, 0x0246be59UL, 0x0709a8dcUL, -    0x06cbc2ebUL, 0x048d7cb2UL, 0x054f1685UL, 0x0e1351b8UL, 0x0fd13b8fUL, -    0x0d9785d6UL, 0x0c55efe1UL, 0x091af964UL, 0x08d89353UL, 0x0a9e2d0aUL, -    0x0b5c473dUL, 0x1c26a370UL, 0x1de4c947UL, 0x1fa2771eUL, 0x1e601d29UL, -    0x1b2f0bacUL, 0x1aed619bUL, 0x18abdfc2UL, 0x1969b5f5UL, 0x1235f2c8UL, -    0x13f798ffUL, 0x11b126a6UL, 0x10734c91UL, 0x153c5a14UL, 0x14fe3023UL, -    0x16b88e7aUL, 0x177ae44dUL, 0x384d46e0UL, 0x398f2cd7UL, 0x3bc9928eUL, -    0x3a0bf8b9UL, 0x3f44ee3cUL, 0x3e86840bUL, 0x3cc03a52UL, 0x3d025065UL, -    0x365e1758UL, 0x379c7d6fUL, 0x35dac336UL, 0x3418a901UL, 0x3157bf84UL, -    0x3095d5b3UL, 0x32d36beaUL, 0x331101ddUL, 0x246be590UL, 0x25a98fa7UL, -    0x27ef31feUL, 0x262d5bc9UL, 0x23624d4cUL, 0x22a0277bUL, 0x20e69922UL, -    0x2124f315UL, 0x2a78b428UL, 0x2bbade1fUL, 0x29fc6046UL, 0x283e0a71UL, -    0x2d711cf4UL, 0x2cb376c3UL, 0x2ef5c89aUL, 0x2f37a2adUL, 0x709a8dc0UL, -    0x7158e7f7UL, 0x731e59aeUL, 0x72dc3399UL, 0x7793251cUL, 0x76514f2bUL, -    0x7417f172UL, 0x75d59b45UL, 0x7e89dc78UL, 0x7f4bb64fUL, 0x7d0d0816UL, -    0x7ccf6221UL, 0x798074a4UL, 0x78421e93UL, 0x7a04a0caUL, 0x7bc6cafdUL, -    0x6cbc2eb0UL, 0x6d7e4487UL, 0x6f38fadeUL, 0x6efa90e9UL, 0x6bb5866cUL, -    0x6a77ec5bUL, 0x68315202UL, 0x69f33835UL, 0x62af7f08UL, 0x636d153fUL, -    0x612bab66UL, 0x60e9c151UL, 0x65a6d7d4UL, 0x6464bde3UL, 0x662203baUL, -    0x67e0698dUL, 0x48d7cb20UL, 0x4915a117UL, 0x4b531f4eUL, 0x4a917579UL, -    0x4fde63fcUL, 0x4e1c09cbUL, 0x4c5ab792UL, 0x4d98dda5UL, 0x46c49a98UL, -    0x4706f0afUL, 0x45404ef6UL, 0x448224c1UL, 0x41cd3244UL, 0x400f5873UL, -    0x4249e62aUL, 0x438b8c1dUL, 0x54f16850UL, 0x55330267UL, 0x5775bc3eUL, -    0x56b7d609UL, 0x53f8c08cUL, 0x523aaabbUL, 0x507c14e2UL, 0x51be7ed5UL, -    0x5ae239e8UL, 0x5b2053dfUL, 0x5966ed86UL, 0x58a487b1UL, 0x5deb9134UL, -    0x5c29fb03UL, 0x5e6f455aUL, 0x5fad2f6dUL, 0xe1351b80UL, 0xe0f771b7UL, -    0xe2b1cfeeUL, 0xe373a5d9UL, 0xe63cb35cUL, 0xe7fed96bUL, 0xe5b86732UL, -    0xe47a0d05UL, 0xef264a38UL, 0xeee4200fUL, 0xeca29e56UL, 0xed60f461UL, -    0xe82fe2e4UL, 0xe9ed88d3UL, 0xebab368aUL, 0xea695cbdUL, 0xfd13b8f0UL, -    0xfcd1d2c7UL, 0xfe976c9eUL, 0xff5506a9UL, 0xfa1a102cUL, 0xfbd87a1bUL, - 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   0xc3f6dbe9UL, 0xa6916751UL, 0x1fa9b0ccUL, 0x7ace0c74UL, 0x9461b966UL, -    0xf10605deUL -#endif -  } -}; diff --git a/3rdParty/ZLib/src/deflate.c b/3rdParty/ZLib/src/deflate.c deleted file mode 100644 index 29ce1f6..0000000 --- a/3rdParty/ZLib/src/deflate.c +++ /dev/null @@ -1,1736 +0,0 @@ -/* deflate.c -- compress data using the deflation algorithm - * Copyright (C) 1995-2005 Jean-loup Gailly. - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* - *  ALGORITHM - * - *      The "deflation" process depends on being able to identify portions - *      of the input text which are identical to earlier input (within a - *      sliding window trailing behind the input currently being processed). - * - *      The most straightforward technique turns out to be the fastest for - *      most input files: try all possible matches and select the longest. - *      The key feature of this algorithm is that insertions into the string - *      dictionary are very simple and thus fast, and deletions are avoided - *      completely. Insertions are performed at each input character, whereas - *      string matches are performed only when the previous match ends. So it - *      is preferable to spend more time in matches to allow very fast string - *      insertions and avoid deletions. The matching algorithm for small - *      strings is inspired from that of Rabin & Karp. A brute force approach - *      is used to find longer strings when a small match has been found. - *      A similar algorithm is used in comic (by Jan-Mark Wams) and freeze - *      (by Leonid Broukhis). - *         A previous version of this file used a more sophisticated algorithm - *      (by Fiala and Greene) which is guaranteed to run in linear amortized - *      time, but has a larger average cost, uses more memory and is patented. - *      However the F&G algorithm may be faster for some highly redundant - *      files if the parameter max_chain_length (described below) is too large. - * - *  ACKNOWLEDGEMENTS - * - *      The idea of lazy evaluation of matches is due to Jan-Mark Wams, and - *      I found it in 'freeze' written by Leonid Broukhis. - *      Thanks to many people for bug reports and testing. - * - *  REFERENCES - * - *      Deutsch, L.P.,"DEFLATE Compressed Data Format Specification". - *      Available in http://www.ietf.org/rfc/rfc1951.txt - * - *      A description of the Rabin and Karp algorithm is given in the book - *         "Algorithms" by R. Sedgewick, Addison-Wesley, p252. - * - *      Fiala,E.R., and Greene,D.H. - *         Data Compression with Finite Windows, Comm.ACM, 32,4 (1989) 490-595 - * - */ - -/* @(#) $Id$ */ - -#include "deflate.h" - -const char deflate_copyright[] = -   " deflate 1.2.3 Copyright 1995-2005 Jean-loup Gailly "; -/* -  If you use the zlib library in a product, an acknowledgment is welcome -  in the documentation of your product. If for some reason you cannot -  include such an acknowledgment, I would appreciate that you keep this -  copyright string in the executable of your product. - */ - -/* =========================================================================== - *  Function prototypes. - */ -typedef enum { -    need_more,      /* block not completed, need more input or more output */ -    block_done,     /* block flush performed */ -    finish_started, /* finish started, need only more output at next deflate */ -    finish_done     /* finish done, accept no more input or output */ -} block_state; - -typedef block_state (*compress_func) OF((deflate_state *s, int flush)); -/* Compression function. Returns the block state after the call. */ - -local void fill_window    OF((deflate_state *s)); -local block_state deflate_stored OF((deflate_state *s, int flush)); -local block_state deflate_fast   OF((deflate_state *s, int flush)); -#ifndef FASTEST -local block_state deflate_slow   OF((deflate_state *s, int flush)); -#endif -local void lm_init        OF((deflate_state *s)); -local void putShortMSB    OF((deflate_state *s, uInt b)); -local void flush_pending  OF((z_streamp strm)); -local int read_buf        OF((z_streamp strm, Bytef *buf, unsigned size)); -#ifndef FASTEST -#ifdef ASMV -      void match_init OF((void)); /* asm code initialization */ -      uInt longest_match  OF((deflate_state *s, IPos cur_match)); -#else -local uInt longest_match  OF((deflate_state *s, IPos cur_match)); -#endif -#endif -local uInt longest_match_fast OF((deflate_state *s, IPos cur_match)); - -#ifdef DEBUG -local  void check_match OF((deflate_state *s, IPos start, IPos match, -                            int length)); -#endif - -/* =========================================================================== - * Local data - */ - -#define NIL 0 -/* Tail of hash chains */ - -#ifndef TOO_FAR -#  define TOO_FAR 4096 -#endif -/* Matches of length 3 are discarded if their distance exceeds TOO_FAR */ - -#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1) -/* Minimum amount of lookahead, except at the end of the input file. - * See deflate.c for comments about the MIN_MATCH+1. - */ - -/* Values for max_lazy_match, good_match and max_chain_length, depending on - * the desired pack level (0..9). The values given below have been tuned to - * exclude worst case performance for pathological files. Better values may be - * found for specific files. - */ -typedef struct config_s { -   ush good_length; /* reduce lazy search above this match length */ -   ush max_lazy;    /* do not perform lazy search above this match length */ -   ush nice_length; /* quit search above this match length */ -   ush max_chain; -   compress_func func; -} config; - -#ifdef FASTEST -local const config configuration_table[2] = { -/*      good lazy nice chain */ -/* 0 */ {0,    0,  0,    0, deflate_stored},  /* store only */ -/* 1 */ {4,    4,  8,    4, deflate_fast}}; /* max speed, no lazy matches */ -#else -local const config configuration_table[10] = { -/*      good lazy nice chain */ -/* 0 */ {0,    0,  0,    0, deflate_stored},  /* store only */ -/* 1 */ {4,    4,  8,    4, deflate_fast}, /* max speed, no lazy matches */ -/* 2 */ {4,    5, 16,    8, deflate_fast}, -/* 3 */ {4,    6, 32,   32, deflate_fast}, - -/* 4 */ {4,    4, 16,   16, deflate_slow},  /* lazy matches */ -/* 5 */ {8,   16, 32,   32, deflate_slow}, -/* 6 */ {8,   16, 128, 128, deflate_slow}, -/* 7 */ {8,   32, 128, 256, deflate_slow}, -/* 8 */ {32, 128, 258, 1024, deflate_slow}, -/* 9 */ {32, 258, 258, 4096, deflate_slow}}; /* max compression */ -#endif - -/* Note: the deflate() code requires max_lazy >= MIN_MATCH and max_chain >= 4 - * For deflate_fast() (levels <= 3) good is ignored and lazy has a different - * meaning. - */ - -#define EQUAL 0 -/* result of memcmp for equal strings */ - -#ifndef NO_DUMMY_DECL -struct static_tree_desc_s {int dummy;}; /* for buggy compilers */ -#endif - -/* =========================================================================== - * Update a hash value with the given input byte - * IN  assertion: all calls to to UPDATE_HASH are made with consecutive - *    input characters, so that a running hash key can be computed from the - *    previous key instead of complete recalculation each time. - */ -#define UPDATE_HASH(s,h,c) (h = (((h)<<s->hash_shift) ^ (c)) & s->hash_mask) - - -/* =========================================================================== - * Insert string str in the dictionary and set match_head to the previous head - * of the hash chain (the most recent string with same hash key). Return - * the previous length of the hash chain. - * If this file is compiled with -DFASTEST, the compression level is forced - * to 1, and no hash chains are maintained. - * IN  assertion: all calls to to INSERT_STRING are made with consecutive - *    input characters and the first MIN_MATCH bytes of str are valid - *    (except for the last MIN_MATCH-1 bytes of the input file). - */ -#ifdef FASTEST -#define INSERT_STRING(s, str, match_head) \ -   (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \ -    match_head = s->head[s->ins_h], \ -    s->head[s->ins_h] = (Pos)(str)) -#else -#define INSERT_STRING(s, str, match_head) \ -   (UPDATE_HASH(s, s->ins_h, s->window[(str) + (MIN_MATCH-1)]), \ -    match_head = s->prev[(str) & s->w_mask] = s->head[s->ins_h], \ -    s->head[s->ins_h] = (Pos)(str)) -#endif - -/* =========================================================================== - * Initialize the hash table (avoiding 64K overflow for 16 bit systems). - * prev[] will be initialized on the fly. - */ -#define CLEAR_HASH(s) \ -    s->head[s->hash_size-1] = NIL; \ -    zmemzero((Bytef *)s->head, (unsigned)(s->hash_size-1)*sizeof(*s->head)); - -/* ========================================================================= */ -int ZEXPORT deflateInit_(strm, level, version, stream_size) -    z_streamp strm; -    int level; -    const char *version; -    int stream_size; -{ -    return deflateInit2_(strm, level, Z_DEFLATED, MAX_WBITS, DEF_MEM_LEVEL, -                         Z_DEFAULT_STRATEGY, version, stream_size); -    /* To do: ignore strm->next_in if we use it as window */ -} - -/* ========================================================================= */ -int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy, -                  version, stream_size) -    z_streamp strm; -    int  level; -    int  method; -    int  windowBits; -    int  memLevel; -    int  strategy; -    const char *version; -    int stream_size; -{ -    deflate_state *s; -    int wrap = 1; -    static const char my_version[] = ZLIB_VERSION; - -    ushf *overlay; -    /* We overlay pending_buf and d_buf+l_buf. This works since the average -     * output size for (length,distance) codes is <= 24 bits. -     */ - -    if (version == Z_NULL || version[0] != my_version[0] || -        stream_size != sizeof(z_stream)) { -        return Z_VERSION_ERROR; -    } -    if (strm == Z_NULL) return Z_STREAM_ERROR; - -    strm->msg = Z_NULL; -    if (strm->zalloc == (alloc_func)0) { -        strm->zalloc = zcalloc; -        strm->opaque = (voidpf)0; -    } -    if (strm->zfree == (free_func)0) strm->zfree = zcfree; - -#ifdef FASTEST -    if (level != 0) level = 1; -#else -    if (level == Z_DEFAULT_COMPRESSION) level = 6; -#endif - -    if (windowBits < 0) { /* suppress zlib wrapper */ -        wrap = 0; -        windowBits = -windowBits; -    } -#ifdef GZIP -    else if (windowBits > 15) { -        wrap = 2;       /* write gzip wrapper instead */ -        windowBits -= 16; -    } -#endif -    if (memLevel < 1 || memLevel > MAX_MEM_LEVEL || method != Z_DEFLATED || -        windowBits < 8 || windowBits > 15 || level < 0 || level > 9 || -        strategy < 0 || strategy > Z_FIXED) { -        return Z_STREAM_ERROR; -    } -    if (windowBits == 8) windowBits = 9;  /* until 256-byte window bug fixed */ -    s = (deflate_state *) ZALLOC(strm, 1, sizeof(deflate_state)); -    if (s == Z_NULL) return Z_MEM_ERROR; -    strm->state = (struct internal_state FAR *)s; -    s->strm = strm; - -    s->wrap = wrap; -    s->gzhead = Z_NULL; -    s->w_bits = windowBits; -    s->w_size = 1 << s->w_bits; -    s->w_mask = s->w_size - 1; - -    s->hash_bits = memLevel + 7; -    s->hash_size = 1 << s->hash_bits; -    s->hash_mask = s->hash_size - 1; -    s->hash_shift =  ((s->hash_bits+MIN_MATCH-1)/MIN_MATCH); - -    s->window = (Bytef *) ZALLOC(strm, s->w_size, 2*sizeof(Byte)); -    s->prev   = (Posf *)  ZALLOC(strm, s->w_size, sizeof(Pos)); -    s->head   = (Posf *)  ZALLOC(strm, s->hash_size, sizeof(Pos)); - -    s->lit_bufsize = 1 << (memLevel + 6); /* 16K elements by default */ - -    overlay = (ushf *) ZALLOC(strm, s->lit_bufsize, sizeof(ush)+2); -    s->pending_buf = (uchf *) overlay; -    s->pending_buf_size = (ulg)s->lit_bufsize * (sizeof(ush)+2L); - -    if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL || -        s->pending_buf == Z_NULL) { -        s->status = FINISH_STATE; -        strm->msg = (char*)ERR_MSG(Z_MEM_ERROR); -        deflateEnd (strm); -        return Z_MEM_ERROR; -    } -    s->d_buf = overlay + s->lit_bufsize/sizeof(ush); -    s->l_buf = s->pending_buf + (1+sizeof(ush))*s->lit_bufsize; - -    s->level = level; -    s->strategy = strategy; -    s->method = (Byte)method; - -    return deflateReset(strm); -} - -/* ========================================================================= */ -int ZEXPORT deflateSetDictionary (strm, dictionary, dictLength) -    z_streamp strm; -    const Bytef *dictionary; -    uInt  dictLength; -{ -    deflate_state *s; -    uInt length = dictLength; -    uInt n; -    IPos hash_head = 0; - -    if (strm == Z_NULL || strm->state == Z_NULL || dictionary == Z_NULL || -        strm->state->wrap == 2 || -        (strm->state->wrap == 1 && strm->state->status != INIT_STATE)) -        return Z_STREAM_ERROR; - -    s = strm->state; -    if (s->wrap) -        strm->adler = adler32(strm->adler, dictionary, dictLength); - -    if (length < MIN_MATCH) return Z_OK; -    if (length > MAX_DIST(s)) { -        length = MAX_DIST(s); -        dictionary += dictLength - length; /* use the tail of the dictionary */ -    } -    zmemcpy(s->window, dictionary, length); -    s->strstart = length; -    s->block_start = (long)length; - -    /* Insert all strings in the hash table (except for the last two bytes). -     * s->lookahead stays null, so s->ins_h will be recomputed at the next -     * call of fill_window. -     */ -    s->ins_h = s->window[0]; -    UPDATE_HASH(s, s->ins_h, s->window[1]); -    for (n = 0; n <= length - MIN_MATCH; n++) { -        INSERT_STRING(s, n, hash_head); -    } -    if (hash_head) hash_head = 0;  /* to make compiler happy */ -    return Z_OK; -} - -/* ========================================================================= */ -int ZEXPORT deflateReset (strm) -    z_streamp strm; -{ -    deflate_state *s; - -    if (strm == Z_NULL || strm->state == Z_NULL || -        strm->zalloc == (alloc_func)0 || strm->zfree == (free_func)0) { -        return Z_STREAM_ERROR; -    } - -    strm->total_in = strm->total_out = 0; -    strm->msg = Z_NULL; /* use zfree if we ever allocate msg dynamically */ -    strm->data_type = Z_UNKNOWN; - -    s = (deflate_state *)strm->state; -    s->pending = 0; -    s->pending_out = s->pending_buf; - -    if (s->wrap < 0) { -        s->wrap = -s->wrap; /* was made negative by deflate(..., Z_FINISH); */ -    } -    s->status = s->wrap ? INIT_STATE : BUSY_STATE; -    strm->adler = -#ifdef GZIP -        s->wrap == 2 ? crc32(0L, Z_NULL, 0) : -#endif -        adler32(0L, Z_NULL, 0); -    s->last_flush = Z_NO_FLUSH; - -    _tr_init(s); -    lm_init(s); - -    return Z_OK; -} - -/* ========================================================================= */ -int ZEXPORT deflateSetHeader (strm, head) -    z_streamp strm; -    gz_headerp head; -{ -    if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; -    if (strm->state->wrap != 2) return Z_STREAM_ERROR; -    strm->state->gzhead = head; -    return Z_OK; -} - -/* ========================================================================= */ -int ZEXPORT deflatePrime (strm, bits, value) -    z_streamp strm; -    int bits; -    int value; -{ -    if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; -    strm->state->bi_valid = bits; -    strm->state->bi_buf = (ush)(value & ((1 << bits) - 1)); -    return Z_OK; -} - -/* ========================================================================= */ -int ZEXPORT deflateParams(strm, level, strategy) -    z_streamp strm; -    int level; -    int strategy; -{ -    deflate_state *s; -    compress_func func; -    int err = Z_OK; - -    if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; -    s = strm->state; - -#ifdef FASTEST -    if (level != 0) level = 1; -#else -    if (level == Z_DEFAULT_COMPRESSION) level = 6; -#endif -    if (level < 0 || level > 9 || strategy < 0 || strategy > Z_FIXED) { -        return Z_STREAM_ERROR; -    } -    func = configuration_table[s->level].func; - -    if (func != configuration_table[level].func && strm->total_in != 0) { -        /* Flush the last buffer: */ -        err = deflate(strm, Z_PARTIAL_FLUSH); -    } -    if (s->level != level) { -        s->level = level; -        s->max_lazy_match   = configuration_table[level].max_lazy; -        s->good_match       = configuration_table[level].good_length; -        s->nice_match       = configuration_table[level].nice_length; -        s->max_chain_length = configuration_table[level].max_chain; -    } -    s->strategy = strategy; -    return err; -} - -/* ========================================================================= */ -int ZEXPORT deflateTune(strm, good_length, max_lazy, nice_length, max_chain) -    z_streamp strm; -    int good_length; -    int max_lazy; -    int nice_length; -    int max_chain; -{ -    deflate_state *s; - -    if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; -    s = strm->state; -    s->good_match = good_length; -    s->max_lazy_match = max_lazy; -    s->nice_match = nice_length; -    s->max_chain_length = max_chain; -    return Z_OK; -} - -/* ========================================================================= - * For the default windowBits of 15 and memLevel of 8, this function returns - * a close to exact, as well as small, upper bound on the compressed size. - * They are coded as constants here for a reason--if the #define's are - * changed, then this function needs to be changed as well.  The return - * value for 15 and 8 only works for those exact settings. - * - * For any setting other than those defaults for windowBits and memLevel, - * the value returned is a conservative worst case for the maximum expansion - * resulting from using fixed blocks instead of stored blocks, which deflate - * can emit on compressed data for some combinations of the parameters. - * - * This function could be more sophisticated to provide closer upper bounds - * for every combination of windowBits and memLevel, as well as wrap. - * But even the conservative upper bound of about 14% expansion does not - * seem onerous for output buffer allocation. - */ -uLong ZEXPORT deflateBound(strm, sourceLen) -    z_streamp strm; -    uLong sourceLen; -{ -    deflate_state *s; -    uLong destLen; - -    /* conservative upper bound */ -    destLen = sourceLen + -              ((sourceLen + 7) >> 3) + ((sourceLen + 63) >> 6) + 11; - -    /* if can't get parameters, return conservative bound */ -    if (strm == Z_NULL || strm->state == Z_NULL) -        return destLen; - -    /* if not default parameters, return conservative bound */ -    s = strm->state; -    if (s->w_bits != 15 || s->hash_bits != 8 + 7) -        return destLen; - -    /* default settings: return tight bound for that case */ -    return compressBound(sourceLen); -} - -/* ========================================================================= - * Put a short in the pending buffer. The 16-bit value is put in MSB order. - * IN assertion: the stream state is correct and there is enough room in - * pending_buf. - */ -local void putShortMSB (s, b) -    deflate_state *s; -    uInt b; -{ -    put_byte(s, (Byte)(b >> 8)); -    put_byte(s, (Byte)(b & 0xff)); -} - -/* ========================================================================= - * Flush as much pending output as possible. All deflate() output goes - * through this function so some applications may wish to modify it - * to avoid allocating a large strm->next_out buffer and copying into it. - * (See also read_buf()). - */ -local void flush_pending(strm) -    z_streamp strm; -{ -    unsigned len = strm->state->pending; - -    if (len > strm->avail_out) len = strm->avail_out; -    if (len == 0) return; - -    zmemcpy(strm->next_out, strm->state->pending_out, len); -    strm->next_out  += len; -    strm->state->pending_out  += len; -    strm->total_out += len; -    strm->avail_out  -= len; -    strm->state->pending -= len; -    if (strm->state->pending == 0) { -        strm->state->pending_out = strm->state->pending_buf; -    } -} - -/* ========================================================================= */ -int ZEXPORT deflate (strm, flush) -    z_streamp strm; -    int flush; -{ -    int old_flush; /* value of flush param for previous deflate call */ -    deflate_state *s; - -    if (strm == Z_NULL || strm->state == Z_NULL || -        flush > Z_FINISH || flush < 0) { -        return Z_STREAM_ERROR; -    } -    s = strm->state; - -    if (strm->next_out == Z_NULL || -        (strm->next_in == Z_NULL && strm->avail_in != 0) || -        (s->status == FINISH_STATE && flush != Z_FINISH)) { -        ERR_RETURN(strm, Z_STREAM_ERROR); -    } -    if (strm->avail_out == 0) ERR_RETURN(strm, Z_BUF_ERROR); - -    s->strm = strm; /* just in case */ -    old_flush = s->last_flush; -    s->last_flush = flush; - -    /* Write the header */ -    if (s->status == INIT_STATE) { -#ifdef GZIP -        if (s->wrap == 2) { -            strm->adler = crc32(0L, Z_NULL, 0); -            put_byte(s, 31); -            put_byte(s, 139); -            put_byte(s, 8); -            if (s->gzhead == NULL) { -                put_byte(s, 0); -                put_byte(s, 0); -                put_byte(s, 0); -                put_byte(s, 0); -                put_byte(s, 0); -                put_byte(s, s->level == 9 ? 2 : -                            (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2 ? -                             4 : 0)); -                put_byte(s, OS_CODE); -                s->status = BUSY_STATE; -            } -            else { -                put_byte(s, (s->gzhead->text ? 1 : 0) + -                            (s->gzhead->hcrc ? 2 : 0) + -                            (s->gzhead->extra == Z_NULL ? 0 : 4) + -                            (s->gzhead->name == Z_NULL ? 0 : 8) + -                            (s->gzhead->comment == Z_NULL ? 0 : 16) -                        ); -                put_byte(s, (Byte)(s->gzhead->time & 0xff)); -                put_byte(s, (Byte)((s->gzhead->time >> 8) & 0xff)); -                put_byte(s, (Byte)((s->gzhead->time >> 16) & 0xff)); -                put_byte(s, (Byte)((s->gzhead->time >> 24) & 0xff)); -                put_byte(s, s->level == 9 ? 2 : -                            (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2 ? -                             4 : 0)); -                put_byte(s, s->gzhead->os & 0xff); -                if (s->gzhead->extra != NULL) { -                    put_byte(s, s->gzhead->extra_len & 0xff); -                    put_byte(s, (s->gzhead->extra_len >> 8) & 0xff); -                } -                if (s->gzhead->hcrc) -                    strm->adler = crc32(strm->adler, s->pending_buf, -                                        s->pending); -                s->gzindex = 0; -                s->status = EXTRA_STATE; -            } -        } -        else -#endif -        { -            uInt header = (Z_DEFLATED + ((s->w_bits-8)<<4)) << 8; -            uInt level_flags; - -            if (s->strategy >= Z_HUFFMAN_ONLY || s->level < 2) -                level_flags = 0; -            else if (s->level < 6) -                level_flags = 1; -            else if (s->level == 6) -                level_flags = 2; -            else -                level_flags = 3; -            header |= (level_flags << 6); -            if (s->strstart != 0) header |= PRESET_DICT; -            header += 31 - (header % 31); - -            s->status = BUSY_STATE; -            putShortMSB(s, header); - -            /* Save the adler32 of the preset dictionary: */ -            if (s->strstart != 0) { -                putShortMSB(s, (uInt)(strm->adler >> 16)); -                putShortMSB(s, (uInt)(strm->adler & 0xffff)); -            } -            strm->adler = adler32(0L, Z_NULL, 0); -        } -    } -#ifdef GZIP -    if (s->status == EXTRA_STATE) { -        if (s->gzhead->extra != NULL) { -            uInt beg = s->pending;  /* start of bytes to update crc */ - -            while (s->gzindex < (s->gzhead->extra_len & 0xffff)) { -                if (s->pending == s->pending_buf_size) { -                    if (s->gzhead->hcrc && s->pending > beg) -                        strm->adler = crc32(strm->adler, s->pending_buf + beg, -                                            s->pending - beg); -                    flush_pending(strm); -                    beg = s->pending; -                    if (s->pending == s->pending_buf_size) -                        break; -                } -                put_byte(s, s->gzhead->extra[s->gzindex]); -                s->gzindex++; -            } -            if (s->gzhead->hcrc && s->pending > beg) -                strm->adler = crc32(strm->adler, s->pending_buf + beg, -                                    s->pending - beg); -            if (s->gzindex == s->gzhead->extra_len) { -                s->gzindex = 0; -                s->status = NAME_STATE; -            } -        } -        else -            s->status = NAME_STATE; -    } -    if (s->status == NAME_STATE) { -        if (s->gzhead->name != NULL) { -            uInt beg = s->pending;  /* start of bytes to update crc */ -            int val; - -            do { -                if (s->pending == s->pending_buf_size) { -                    if (s->gzhead->hcrc && s->pending > beg) -                        strm->adler = crc32(strm->adler, s->pending_buf + beg, -                                            s->pending - beg); -                    flush_pending(strm); -                    beg = s->pending; -                    if (s->pending == s->pending_buf_size) { -                        val = 1; -                        break; -                    } -                } -                val = s->gzhead->name[s->gzindex++]; -                put_byte(s, val); -            } while (val != 0); -            if (s->gzhead->hcrc && s->pending > beg) -                strm->adler = crc32(strm->adler, s->pending_buf + beg, -                                    s->pending - beg); -            if (val == 0) { -                s->gzindex = 0; -                s->status = COMMENT_STATE; -            } -        } -        else -            s->status = COMMENT_STATE; -    } -    if (s->status == COMMENT_STATE) { -        if (s->gzhead->comment != NULL) { -            uInt beg = s->pending;  /* start of bytes to update crc */ -            int val; - -            do { -                if (s->pending == s->pending_buf_size) { -                    if (s->gzhead->hcrc && s->pending > beg) -                        strm->adler = crc32(strm->adler, s->pending_buf + beg, -                                            s->pending - beg); -                    flush_pending(strm); -                    beg = s->pending; -                    if (s->pending == s->pending_buf_size) { -                        val = 1; -                        break; -                    } -                } -                val = s->gzhead->comment[s->gzindex++]; -                put_byte(s, val); -            } while (val != 0); -            if (s->gzhead->hcrc && s->pending > beg) -                strm->adler = crc32(strm->adler, s->pending_buf + beg, -                                    s->pending - beg); -            if (val == 0) -                s->status = HCRC_STATE; -        } -        else -            s->status = HCRC_STATE; -    } -    if (s->status == HCRC_STATE) { -        if (s->gzhead->hcrc) { -            if (s->pending + 2 > s->pending_buf_size) -                flush_pending(strm); -            if (s->pending + 2 <= s->pending_buf_size) { -                put_byte(s, (Byte)(strm->adler & 0xff)); -                put_byte(s, (Byte)((strm->adler >> 8) & 0xff)); -                strm->adler = crc32(0L, Z_NULL, 0); -                s->status = BUSY_STATE; -            } -        } -        else -            s->status = BUSY_STATE; -    } -#endif - -    /* Flush as much pending output as possible */ -    if (s->pending != 0) { -        flush_pending(strm); -        if (strm->avail_out == 0) { -            /* Since avail_out is 0, deflate will be called again with -             * more output space, but possibly with both pending and -             * avail_in equal to zero. There won't be anything to do, -             * but this is not an error situation so make sure we -             * return OK instead of BUF_ERROR at next call of deflate: -             */ -            s->last_flush = -1; -            return Z_OK; -        } - -    /* Make sure there is something to do and avoid duplicate consecutive -     * flushes. For repeated and useless calls with Z_FINISH, we keep -     * returning Z_STREAM_END instead of Z_BUF_ERROR. -     */ -    } else if (strm->avail_in == 0 && flush <= old_flush && -               flush != Z_FINISH) { -        ERR_RETURN(strm, Z_BUF_ERROR); -    } - -    /* User must not provide more input after the first FINISH: */ -    if (s->status == FINISH_STATE && strm->avail_in != 0) { -        ERR_RETURN(strm, Z_BUF_ERROR); -    } - -    /* Start a new block or continue the current one. -     */ -    if (strm->avail_in != 0 || s->lookahead != 0 || -        (flush != Z_NO_FLUSH && s->status != FINISH_STATE)) { -        block_state bstate; - -        bstate = (*(configuration_table[s->level].func))(s, flush); - -        if (bstate == finish_started || bstate == finish_done) { -            s->status = FINISH_STATE; -        } -        if (bstate == need_more || bstate == finish_started) { -            if (strm->avail_out == 0) { -                s->last_flush = -1; /* avoid BUF_ERROR next call, see above */ -            } -            return Z_OK; -            /* If flush != Z_NO_FLUSH && avail_out == 0, the next call -             * of deflate should use the same flush parameter to make sure -             * that the flush is complete. So we don't have to output an -             * empty block here, this will be done at next call. This also -             * ensures that for a very small output buffer, we emit at most -             * one empty block. -             */ -        } -        if (bstate == block_done) { -            if (flush == Z_PARTIAL_FLUSH) { -                _tr_align(s); -            } else { /* FULL_FLUSH or SYNC_FLUSH */ -                _tr_stored_block(s, (char*)0, 0L, 0); -                /* For a full flush, this empty block will be recognized -                 * as a special marker by inflate_sync(). -                 */ -                if (flush == Z_FULL_FLUSH) { -                    CLEAR_HASH(s);             /* forget history */ -                } -            } -            flush_pending(strm); -            if (strm->avail_out == 0) { -              s->last_flush = -1; /* avoid BUF_ERROR at next call, see above */ -              return Z_OK; -            } -        } -    } -    Assert(strm->avail_out > 0, "bug2"); - -    if (flush != Z_FINISH) return Z_OK; -    if (s->wrap <= 0) return Z_STREAM_END; - -    /* Write the trailer */ -#ifdef GZIP -    if (s->wrap == 2) { -        put_byte(s, (Byte)(strm->adler & 0xff)); -        put_byte(s, (Byte)((strm->adler >> 8) & 0xff)); -        put_byte(s, (Byte)((strm->adler >> 16) & 0xff)); -        put_byte(s, (Byte)((strm->adler >> 24) & 0xff)); -        put_byte(s, (Byte)(strm->total_in & 0xff)); -        put_byte(s, (Byte)((strm->total_in >> 8) & 0xff)); -        put_byte(s, (Byte)((strm->total_in >> 16) & 0xff)); -        put_byte(s, (Byte)((strm->total_in >> 24) & 0xff)); -    } -    else -#endif -    { -        putShortMSB(s, (uInt)(strm->adler >> 16)); -        putShortMSB(s, (uInt)(strm->adler & 0xffff)); -    } -    flush_pending(strm); -    /* If avail_out is zero, the application will call deflate again -     * to flush the rest. -     */ -    if (s->wrap > 0) s->wrap = -s->wrap; /* write the trailer only once! */ -    return s->pending != 0 ? Z_OK : Z_STREAM_END; -} - -/* ========================================================================= */ -int ZEXPORT deflateEnd (strm) -    z_streamp strm; -{ -    int status; - -    if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; - -    status = strm->state->status; -    if (status != INIT_STATE && -        status != EXTRA_STATE && -        status != NAME_STATE && -        status != COMMENT_STATE && -        status != HCRC_STATE && -        status != BUSY_STATE && -        status != FINISH_STATE) { -      return Z_STREAM_ERROR; -    } - -    /* Deallocate in reverse order of allocations: */ -    TRY_FREE(strm, strm->state->pending_buf); -    TRY_FREE(strm, strm->state->head); -    TRY_FREE(strm, strm->state->prev); -    TRY_FREE(strm, strm->state->window); - -    ZFREE(strm, strm->state); -    strm->state = Z_NULL; - -    return status == BUSY_STATE ? Z_DATA_ERROR : Z_OK; -} - -/* ========================================================================= - * Copy the source state to the destination state. - * To simplify the source, this is not supported for 16-bit MSDOS (which - * doesn't have enough memory anyway to duplicate compression states). - */ -int ZEXPORT deflateCopy (dest, source) -    z_streamp dest; -    z_streamp source; -{ -#ifdef MAXSEG_64K -    return Z_STREAM_ERROR; -#else -    deflate_state *ds; -    deflate_state *ss; -    ushf *overlay; - - -    if (source == Z_NULL || dest == Z_NULL || source->state == Z_NULL) { -        return Z_STREAM_ERROR; -    } - -    ss = source->state; - -    zmemcpy(dest, source, sizeof(z_stream)); - -    ds = (deflate_state *) ZALLOC(dest, 1, sizeof(deflate_state)); -    if (ds == Z_NULL) return Z_MEM_ERROR; -    dest->state = (struct internal_state FAR *) ds; -    zmemcpy(ds, ss, sizeof(deflate_state)); -    ds->strm = dest; - -    ds->window = (Bytef *) ZALLOC(dest, ds->w_size, 2*sizeof(Byte)); -    ds->prev   = (Posf *)  ZALLOC(dest, ds->w_size, sizeof(Pos)); -    ds->head   = (Posf *)  ZALLOC(dest, ds->hash_size, sizeof(Pos)); -    overlay = (ushf *) ZALLOC(dest, ds->lit_bufsize, sizeof(ush)+2); -    ds->pending_buf = (uchf *) overlay; - -    if (ds->window == Z_NULL || ds->prev == Z_NULL || ds->head == Z_NULL || -        ds->pending_buf == Z_NULL) { -        deflateEnd (dest); -        return Z_MEM_ERROR; -    } -    /* following zmemcpy do not work for 16-bit MSDOS */ -    zmemcpy(ds->window, ss->window, ds->w_size * 2 * sizeof(Byte)); -    zmemcpy(ds->prev, ss->prev, ds->w_size * sizeof(Pos)); -    zmemcpy(ds->head, ss->head, ds->hash_size * sizeof(Pos)); -    zmemcpy(ds->pending_buf, ss->pending_buf, (uInt)ds->pending_buf_size); - -    ds->pending_out = ds->pending_buf + (ss->pending_out - ss->pending_buf); -    ds->d_buf = overlay + ds->lit_bufsize/sizeof(ush); -    ds->l_buf = ds->pending_buf + (1+sizeof(ush))*ds->lit_bufsize; - -    ds->l_desc.dyn_tree = ds->dyn_ltree; -    ds->d_desc.dyn_tree = ds->dyn_dtree; -    ds->bl_desc.dyn_tree = ds->bl_tree; - -    return Z_OK; -#endif /* MAXSEG_64K */ -} - -/* =========================================================================== - * Read a new buffer from the current input stream, update the adler32 - * and total number of bytes read.  All deflate() input goes through - * this function so some applications may wish to modify it to avoid - * allocating a large strm->next_in buffer and copying from it. - * (See also flush_pending()). - */ -local int read_buf(strm, buf, size) -    z_streamp strm; -    Bytef *buf; -    unsigned size; -{ -    unsigned len = strm->avail_in; - -    if (len > size) len = size; -    if (len == 0) return 0; - -    strm->avail_in  -= len; - -    if (strm->state->wrap == 1) { -        strm->adler = adler32(strm->adler, strm->next_in, len); -    } -#ifdef GZIP -    else if (strm->state->wrap == 2) { -        strm->adler = crc32(strm->adler, strm->next_in, len); -    } -#endif -    zmemcpy(buf, strm->next_in, len); -    strm->next_in  += len; -    strm->total_in += len; - -    return (int)len; -} - -/* =========================================================================== - * Initialize the "longest match" routines for a new zlib stream - */ -local void lm_init (s) -    deflate_state *s; -{ -    s->window_size = (ulg)2L*s->w_size; - -    CLEAR_HASH(s); - -    /* Set the default configuration parameters: -     */ -    s->max_lazy_match   = configuration_table[s->level].max_lazy; -    s->good_match       = configuration_table[s->level].good_length; -    s->nice_match       = configuration_table[s->level].nice_length; -    s->max_chain_length = configuration_table[s->level].max_chain; - -    s->strstart = 0; -    s->block_start = 0L; -    s->lookahead = 0; -    s->match_length = s->prev_length = MIN_MATCH-1; -    s->match_available = 0; -    s->ins_h = 0; -#ifndef FASTEST -#ifdef ASMV -    match_init(); /* initialize the asm code */ -#endif -#endif -} - -#ifndef FASTEST -/* =========================================================================== - * Set match_start to the longest match starting at the given string and - * return its length. Matches shorter or equal to prev_length are discarded, - * in which case the result is equal to prev_length and match_start is - * garbage. - * IN assertions: cur_match is the head of the hash chain for the current - *   string (strstart) and its distance is <= MAX_DIST, and prev_length >= 1 - * OUT assertion: the match length is not greater than s->lookahead. - */ -#ifndef ASMV -/* For 80x86 and 680x0, an optimized version will be provided in match.asm or - * match.S. The code will be functionally equivalent. - */ -local uInt longest_match(s, cur_match) -    deflate_state *s; -    IPos cur_match;                             /* current match */ -{ -    unsigned chain_length = s->max_chain_length;/* max hash chain length */ -    register Bytef *scan = s->window + s->strstart; /* current string */ -    register Bytef *match;                       /* matched string */ -    register int len;                           /* length of current match */ -    int best_len = s->prev_length;              /* best match length so far */ -    int nice_match = s->nice_match;             /* stop if match long enough */ -    IPos limit = s->strstart > (IPos)MAX_DIST(s) ? -        s->strstart - (IPos)MAX_DIST(s) : NIL; -    /* Stop when cur_match becomes <= limit. To simplify the code, -     * we prevent matches with the string of window index 0. -     */ -    Posf *prev = s->prev; -    uInt wmask = s->w_mask; - -#ifdef UNALIGNED_OK -    /* Compare two bytes at a time. Note: this is not always beneficial. -     * Try with and without -DUNALIGNED_OK to check. -     */ -    register Bytef *strend = s->window + s->strstart + MAX_MATCH - 1; -    register ush scan_start = *(ushf*)scan; -    register ush scan_end   = *(ushf*)(scan+best_len-1); -#else -    register Bytef *strend = s->window + s->strstart + MAX_MATCH; -    register Byte scan_end1  = scan[best_len-1]; -    register Byte scan_end   = scan[best_len]; -#endif - -    /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16. -     * It is easy to get rid of this optimization if necessary. -     */ -    Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever"); - -    /* Do not waste too much time if we already have a good match: */ -    if (s->prev_length >= s->good_match) { -        chain_length >>= 2; -    } -    /* Do not look for matches beyond the end of the input. This is necessary -     * to make deflate deterministic. -     */ -    if ((uInt)nice_match > s->lookahead) nice_match = s->lookahead; - -    Assert((ulg)s->strstart <= s->window_size-MIN_LOOKAHEAD, "need lookahead"); - -    do { -        Assert(cur_match < s->strstart, "no future"); -        match = s->window + cur_match; - -        /* Skip to next match if the match length cannot increase -         * or if the match length is less than 2.  Note that the checks below -         * for insufficient lookahead only occur occasionally for performance -         * reasons.  Therefore uninitialized memory will be accessed, and -         * conditional jumps will be made that depend on those values. -         * However the length of the match is limited to the lookahead, so -         * the output of deflate is not affected by the uninitialized values. -         */ -#if (defined(UNALIGNED_OK) && MAX_MATCH == 258) -        /* This code assumes sizeof(unsigned short) == 2. Do not use -         * UNALIGNED_OK if your compiler uses a different size. -         */ -        if (*(ushf*)(match+best_len-1) != scan_end || -            *(ushf*)match != scan_start) continue; - -        /* It is not necessary to compare scan[2] and match[2] since they are -         * always equal when the other bytes match, given that the hash keys -         * are equal and that HASH_BITS >= 8. Compare 2 bytes at a time at -         * strstart+3, +5, ... up to strstart+257. We check for insufficient -         * lookahead only every 4th comparison; the 128th check will be made -         * at strstart+257. If MAX_MATCH-2 is not a multiple of 8, it is -         * necessary to put more guard bytes at the end of the window, or -         * to check more often for insufficient lookahead. -         */ -        Assert(scan[2] == match[2], "scan[2]?"); -        scan++, match++; -        do { -        } while (*(ushf*)(scan+=2) == *(ushf*)(match+=2) && -                 *(ushf*)(scan+=2) == *(ushf*)(match+=2) && -                 *(ushf*)(scan+=2) == *(ushf*)(match+=2) && -                 *(ushf*)(scan+=2) == *(ushf*)(match+=2) && -                 scan < strend); -        /* The funny "do {}" generates better code on most compilers */ - -        /* Here, scan <= window+strstart+257 */ -        Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan"); -        if (*scan == *match) scan++; - -        len = (MAX_MATCH - 1) - (int)(strend-scan); -        scan = strend - (MAX_MATCH-1); - -#else /* UNALIGNED_OK */ - -        if (match[best_len]   != scan_end  || -            match[best_len-1] != scan_end1 || -            *match            != *scan     || -            *++match          != scan[1])      continue; - -        /* The check at best_len-1 can be removed because it will be made -         * again later. (This heuristic is not always a win.) -         * It is not necessary to compare scan[2] and match[2] since they -         * are always equal when the other bytes match, given that -         * the hash keys are equal and that HASH_BITS >= 8. -         */ -        scan += 2, match++; -        Assert(*scan == *match, "match[2]?"); - -        /* We check for insufficient lookahead only every 8th comparison; -         * the 256th check will be made at strstart+258. -         */ -        do { -        } while (*++scan == *++match && *++scan == *++match && -                 *++scan == *++match && *++scan == *++match && -                 *++scan == *++match && *++scan == *++match && -                 *++scan == *++match && *++scan == *++match && -                 scan < strend); - -        Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan"); - -        len = MAX_MATCH - (int)(strend - scan); -        scan = strend - MAX_MATCH; - -#endif /* UNALIGNED_OK */ - -        if (len > best_len) { -            s->match_start = cur_match; -            best_len = len; -            if (len >= nice_match) break; -#ifdef UNALIGNED_OK -            scan_end = *(ushf*)(scan+best_len-1); -#else -            scan_end1  = scan[best_len-1]; -            scan_end   = scan[best_len]; -#endif -        } -    } while ((cur_match = prev[cur_match & wmask]) > limit -             && --chain_length != 0); - -    if ((uInt)best_len <= s->lookahead) return (uInt)best_len; -    return s->lookahead; -} -#endif /* ASMV */ -#endif /* FASTEST */ - -/* --------------------------------------------------------------------------- - * Optimized version for level == 1 or strategy == Z_RLE only - */ -local uInt longest_match_fast(s, cur_match) -    deflate_state *s; -    IPos cur_match;                             /* current match */ -{ -    register Bytef *scan = s->window + s->strstart; /* current string */ -    register Bytef *match;                       /* matched string */ -    register int len;                           /* length of current match */ -    register Bytef *strend = s->window + s->strstart + MAX_MATCH; - -    /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16. -     * It is easy to get rid of this optimization if necessary. -     */ -    Assert(s->hash_bits >= 8 && MAX_MATCH == 258, "Code too clever"); - -    Assert((ulg)s->strstart <= s->window_size-MIN_LOOKAHEAD, "need lookahead"); - -    Assert(cur_match < s->strstart, "no future"); - -    match = s->window + cur_match; - -    /* Return failure if the match length is less than 2: -     */ -    if (match[0] != scan[0] || match[1] != scan[1]) return MIN_MATCH-1; - -    /* The check at best_len-1 can be removed because it will be made -     * again later. (This heuristic is not always a win.) -     * It is not necessary to compare scan[2] and match[2] since they -     * are always equal when the other bytes match, given that -     * the hash keys are equal and that HASH_BITS >= 8. -     */ -    scan += 2, match += 2; -    Assert(*scan == *match, "match[2]?"); - -    /* We check for insufficient lookahead only every 8th comparison; -     * the 256th check will be made at strstart+258. -     */ -    do { -    } while (*++scan == *++match && *++scan == *++match && -             *++scan == *++match && *++scan == *++match && -             *++scan == *++match && *++scan == *++match && -             *++scan == *++match && *++scan == *++match && -             scan < strend); - -    Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan"); - -    len = MAX_MATCH - (int)(strend - scan); - -    if (len < MIN_MATCH) return MIN_MATCH - 1; - -    s->match_start = cur_match; -    return (uInt)len <= s->lookahead ? (uInt)len : s->lookahead; -} - -#ifdef DEBUG -/* =========================================================================== - * Check that the match at match_start is indeed a match. - */ -local void check_match(s, start, match, length) -    deflate_state *s; -    IPos start, match; -    int length; -{ -    /* check that the match is indeed a match */ -    if (zmemcmp(s->window + match, -                s->window + start, length) != EQUAL) { -        fprintf(stderr, " start %u, match %u, length %d\n", -                start, match, length); -        do { -            fprintf(stderr, "%c%c", s->window[match++], s->window[start++]); -        } while (--length != 0); -        z_error("invalid match"); -    } -    if (z_verbose > 1) { -        fprintf(stderr,"\\[%d,%d]", start-match, length); -        do { putc(s->window[start++], stderr); } while (--length != 0); -    } -} -#else -#  define check_match(s, start, match, length) -#endif /* DEBUG */ - -/* =========================================================================== - * Fill the window when the lookahead becomes insufficient. - * Updates strstart and lookahead. - * - * IN assertion: lookahead < MIN_LOOKAHEAD - * OUT assertions: strstart <= window_size-MIN_LOOKAHEAD - *    At least one byte has been read, or avail_in == 0; reads are - *    performed for at least two bytes (required for the zip translate_eol - *    option -- not supported here). - */ -local void fill_window(s) -    deflate_state *s; -{ -    register unsigned n, m; -    register Posf *p; -    unsigned more;    /* Amount of free space at the end of the window. */ -    uInt wsize = s->w_size; - -    do { -        more = (unsigned)(s->window_size -(ulg)s->lookahead -(ulg)s->strstart); - -        /* Deal with !@#$% 64K limit: */ -        if (sizeof(int) <= 2) { -            if (more == 0 && s->strstart == 0 && s->lookahead == 0) { -                more = wsize; - -            } else if (more == (unsigned)(-1)) { -                /* Very unlikely, but possible on 16 bit machine if -                 * strstart == 0 && lookahead == 1 (input done a byte at time) -                 */ -                more--; -            } -        } - -        /* If the window is almost full and there is insufficient lookahead, -         * move the upper half to the lower one to make room in the upper half. -         */ -        if (s->strstart >= wsize+MAX_DIST(s)) { - -            zmemcpy(s->window, s->window+wsize, (unsigned)wsize); -            s->match_start -= wsize; -            s->strstart    -= wsize; /* we now have strstart >= MAX_DIST */ -            s->block_start -= (long) wsize; - -            /* Slide the hash table (could be avoided with 32 bit values -               at the expense of memory usage). We slide even when level == 0 -               to keep the hash table consistent if we switch back to level > 0 -               later. (Using level 0 permanently is not an optimal usage of -               zlib, so we don't care about this pathological case.) -             */ -            /* %%% avoid this when Z_RLE */ -            n = s->hash_size; -            p = &s->head[n]; -            do { -                m = *--p; -                *p = (Pos)(m >= wsize ? m-wsize : NIL); -            } while (--n); - -            n = wsize; -#ifndef FASTEST -            p = &s->prev[n]; -            do { -                m = *--p; -                *p = (Pos)(m >= wsize ? m-wsize : NIL); -                /* If n is not on any hash chain, prev[n] is garbage but -                 * its value will never be used. -                 */ -            } while (--n); -#endif -            more += wsize; -        } -        if (s->strm->avail_in == 0) return; - -        /* If there was no sliding: -         *    strstart <= WSIZE+MAX_DIST-1 && lookahead <= MIN_LOOKAHEAD - 1 && -         *    more == window_size - lookahead - strstart -         * => more >= window_size - (MIN_LOOKAHEAD-1 + WSIZE + MAX_DIST-1) -         * => more >= window_size - 2*WSIZE + 2 -         * In the BIG_MEM or MMAP case (not yet supported), -         *   window_size == input_size + MIN_LOOKAHEAD  && -         *   strstart + s->lookahead <= input_size => more >= MIN_LOOKAHEAD. -         * Otherwise, window_size == 2*WSIZE so more >= 2. -         * If there was sliding, more >= WSIZE. So in all cases, more >= 2. -         */ -        Assert(more >= 2, "more < 2"); - -        n = read_buf(s->strm, s->window + s->strstart + s->lookahead, more); -        s->lookahead += n; - -        /* Initialize the hash value now that we have some input: */ -        if (s->lookahead >= MIN_MATCH) { -            s->ins_h = s->window[s->strstart]; -            UPDATE_HASH(s, s->ins_h, s->window[s->strstart+1]); -#if MIN_MATCH != 3 -            Call UPDATE_HASH() MIN_MATCH-3 more times -#endif -        } -        /* If the whole input has less than MIN_MATCH bytes, ins_h is garbage, -         * but this is not important since only literal bytes will be emitted. -         */ - -    } while (s->lookahead < MIN_LOOKAHEAD && s->strm->avail_in != 0); -} - -/* =========================================================================== - * Flush the current block, with given end-of-file flag. - * IN assertion: strstart is set to the end of the current match. - */ -#define FLUSH_BLOCK_ONLY(s, eof) { \ -   _tr_flush_block(s, (s->block_start >= 0L ? \ -                   (charf *)&s->window[(unsigned)s->block_start] : \ -                   (charf *)Z_NULL), \ -                (ulg)((long)s->strstart - s->block_start), \ -                (eof)); \ -   s->block_start = s->strstart; \ -   flush_pending(s->strm); \ -   Tracev((stderr,"[FLUSH]")); \ -} - -/* Same but force premature exit if necessary. */ -#define FLUSH_BLOCK(s, eof) { \ -   FLUSH_BLOCK_ONLY(s, eof); \ -   if (s->strm->avail_out == 0) return (eof) ? finish_started : need_more; \ -} - -/* =========================================================================== - * Copy without compression as much as possible from the input stream, return - * the current block state. - * This function does not insert new strings in the dictionary since - * uncompressible data is probably not useful. This function is used - * only for the level=0 compression option. - * NOTE: this function should be optimized to avoid extra copying from - * window to pending_buf. - */ -local block_state deflate_stored(s, flush) -    deflate_state *s; -    int flush; -{ -    /* Stored blocks are limited to 0xffff bytes, pending_buf is limited -     * to pending_buf_size, and each stored block has a 5 byte header: -     */ -    ulg max_block_size = 0xffff; -    ulg max_start; - -    if (max_block_size > s->pending_buf_size - 5) { -        max_block_size = s->pending_buf_size - 5; -    } - -    /* Copy as much as possible from input to output: */ -    for (;;) { -        /* Fill the window as much as possible: */ -        if (s->lookahead <= 1) { - -            Assert(s->strstart < s->w_size+MAX_DIST(s) || -                   s->block_start >= (long)s->w_size, "slide too late"); - -            fill_window(s); -            if (s->lookahead == 0 && flush == Z_NO_FLUSH) return need_more; - -            if (s->lookahead == 0) break; /* flush the current block */ -        } -        Assert(s->block_start >= 0L, "block gone"); - -        s->strstart += s->lookahead; -        s->lookahead = 0; - -        /* Emit a stored block if pending_buf will be full: */ -        max_start = s->block_start + max_block_size; -        if (s->strstart == 0 || (ulg)s->strstart >= max_start) { -            /* strstart == 0 is possible when wraparound on 16-bit machine */ -            s->lookahead = (uInt)(s->strstart - max_start); -            s->strstart = (uInt)max_start; -            FLUSH_BLOCK(s, 0); -        } -        /* Flush if we may have to slide, otherwise block_start may become -         * negative and the data will be gone: -         */ -        if (s->strstart - (uInt)s->block_start >= MAX_DIST(s)) { -            FLUSH_BLOCK(s, 0); -        } -    } -    FLUSH_BLOCK(s, flush == Z_FINISH); -    return flush == Z_FINISH ? finish_done : block_done; -} - -/* =========================================================================== - * Compress as much as possible from the input stream, return the current - * block state. - * This function does not perform lazy evaluation of matches and inserts - * new strings in the dictionary only for unmatched strings or for short - * matches. It is used only for the fast compression options. - */ -local block_state deflate_fast(s, flush) -    deflate_state *s; -    int flush; -{ -    IPos hash_head = NIL; /* head of the hash chain */ -    int bflush;           /* set if current block must be flushed */ - -    for (;;) { -        /* Make sure that we always have enough lookahead, except -         * at the end of the input file. We need MAX_MATCH bytes -         * for the next match, plus MIN_MATCH bytes to insert the -         * string following the next match. -         */ -        if (s->lookahead < MIN_LOOKAHEAD) { -            fill_window(s); -            if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) { -                return need_more; -            } -            if (s->lookahead == 0) break; /* flush the current block */ -        } - -        /* Insert the string window[strstart .. strstart+2] in the -         * dictionary, and set hash_head to the head of the hash chain: -         */ -        if (s->lookahead >= MIN_MATCH) { -            INSERT_STRING(s, s->strstart, hash_head); -        } - -        /* Find the longest match, discarding those <= prev_length. -         * At this point we have always match_length < MIN_MATCH -         */ -        if (hash_head != NIL && s->strstart - hash_head <= MAX_DIST(s)) { -            /* To simplify the code, we prevent matches with the string -             * of window index 0 (in particular we have to avoid a match -             * of the string with itself at the start of the input file). -             */ -#ifdef FASTEST -            if ((s->strategy != Z_HUFFMAN_ONLY && s->strategy != Z_RLE) || -                (s->strategy == Z_RLE && s->strstart - hash_head == 1)) { -                s->match_length = longest_match_fast (s, hash_head); -            } -#else -            if (s->strategy != Z_HUFFMAN_ONLY && s->strategy != Z_RLE) { -                s->match_length = longest_match (s, hash_head); -            } else if (s->strategy == Z_RLE && s->strstart - hash_head == 1) { -                s->match_length = longest_match_fast (s, hash_head); -            } -#endif -            /* longest_match() or longest_match_fast() sets match_start */ -        } -        if (s->match_length >= MIN_MATCH) { -            check_match(s, s->strstart, s->match_start, s->match_length); - -            _tr_tally_dist(s, s->strstart - s->match_start, -                           s->match_length - MIN_MATCH, bflush); - -            s->lookahead -= s->match_length; - -            /* Insert new strings in the hash table only if the match length -             * is not too large. This saves time but degrades compression. -             */ -#ifndef FASTEST -            if (s->match_length <= s->max_insert_length && -                s->lookahead >= MIN_MATCH) { -                s->match_length--; /* string at strstart already in table */ -                do { -                    s->strstart++; -                    INSERT_STRING(s, s->strstart, hash_head); -                    /* strstart never exceeds WSIZE-MAX_MATCH, so there are -                     * always MIN_MATCH bytes ahead. -                     */ -                } while (--s->match_length != 0); -                s->strstart++; -            } else -#endif -            { -                s->strstart += s->match_length; -                s->match_length = 0; -                s->ins_h = s->window[s->strstart]; -                UPDATE_HASH(s, s->ins_h, s->window[s->strstart+1]); -#if MIN_MATCH != 3 -                Call UPDATE_HASH() MIN_MATCH-3 more times -#endif -                /* If lookahead < MIN_MATCH, ins_h is garbage, but it does not -                 * matter since it will be recomputed at next deflate call. -                 */ -            } -        } else { -            /* No match, output a literal byte */ -            Tracevv((stderr,"%c", s->window[s->strstart])); -            _tr_tally_lit (s, s->window[s->strstart], bflush); -            s->lookahead--; -            s->strstart++; -        } -        if (bflush) FLUSH_BLOCK(s, 0); -    } -    FLUSH_BLOCK(s, flush == Z_FINISH); -    return flush == Z_FINISH ? finish_done : block_done; -} - -#ifndef FASTEST -/* =========================================================================== - * Same as above, but achieves better compression. We use a lazy - * evaluation for matches: a match is finally adopted only if there is - * no better match at the next window position. - */ -local block_state deflate_slow(s, flush) -    deflate_state *s; -    int flush; -{ -    IPos hash_head = NIL;    /* head of hash chain */ -    int bflush;              /* set if current block must be flushed */ - -    /* Process the input block. */ -    for (;;) { -        /* Make sure that we always have enough lookahead, except -         * at the end of the input file. We need MAX_MATCH bytes -         * for the next match, plus MIN_MATCH bytes to insert the -         * string following the next match. -         */ -        if (s->lookahead < MIN_LOOKAHEAD) { -            fill_window(s); -            if (s->lookahead < MIN_LOOKAHEAD && flush == Z_NO_FLUSH) { -                return need_more; -            } -            if (s->lookahead == 0) break; /* flush the current block */ -        } - -        /* Insert the string window[strstart .. strstart+2] in the -         * dictionary, and set hash_head to the head of the hash chain: -         */ -        if (s->lookahead >= MIN_MATCH) { -            INSERT_STRING(s, s->strstart, hash_head); -        } - -        /* Find the longest match, discarding those <= prev_length. -         */ -        s->prev_length = s->match_length, s->prev_match = s->match_start; -        s->match_length = MIN_MATCH-1; - -        if (hash_head != NIL && s->prev_length < s->max_lazy_match && -            s->strstart - hash_head <= MAX_DIST(s)) { -            /* To simplify the code, we prevent matches with the string -             * of window index 0 (in particular we have to avoid a match -             * of the string with itself at the start of the input file). -             */ -            if (s->strategy != Z_HUFFMAN_ONLY && s->strategy != Z_RLE) { -                s->match_length = longest_match (s, hash_head); -            } else if (s->strategy == Z_RLE && s->strstart - hash_head == 1) { -                s->match_length = longest_match_fast (s, hash_head); -            } -            /* longest_match() or longest_match_fast() sets match_start */ - -            if (s->match_length <= 5 && (s->strategy == Z_FILTERED -#if TOO_FAR <= 32767 -                || (s->match_length == MIN_MATCH && -                    s->strstart - s->match_start > TOO_FAR) -#endif -                )) { - -                /* If prev_match is also MIN_MATCH, match_start is garbage -                 * but we will ignore the current match anyway. -                 */ -                s->match_length = MIN_MATCH-1; -            } -        } -        /* If there was a match at the previous step and the current -         * match is not better, output the previous match: -         */ -        if (s->prev_length >= MIN_MATCH && s->match_length <= s->prev_length) { -            uInt max_insert = s->strstart + s->lookahead - MIN_MATCH; -            /* Do not insert strings in hash table beyond this. */ - -            check_match(s, s->strstart-1, s->prev_match, s->prev_length); - -            _tr_tally_dist(s, s->strstart -1 - s->prev_match, -                           s->prev_length - MIN_MATCH, bflush); - -            /* Insert in hash table all strings up to the end of the match. -             * strstart-1 and strstart are already inserted. If there is not -             * enough lookahead, the last two strings are not inserted in -             * the hash table. -             */ -            s->lookahead -= s->prev_length-1; -            s->prev_length -= 2; -            do { -                if (++s->strstart <= max_insert) { -                    INSERT_STRING(s, s->strstart, hash_head); -                } -            } while (--s->prev_length != 0); -            s->match_available = 0; -            s->match_length = MIN_MATCH-1; -            s->strstart++; - -            if (bflush) FLUSH_BLOCK(s, 0); - -        } else if (s->match_available) { -            /* If there was no match at the previous position, output a -             * single literal. If there was a match but the current match -             * is longer, truncate the previous match to a single literal. -             */ -            Tracevv((stderr,"%c", s->window[s->strstart-1])); -            _tr_tally_lit(s, s->window[s->strstart-1], bflush); -            if (bflush) { -                FLUSH_BLOCK_ONLY(s, 0); -            } -            s->strstart++; -            s->lookahead--; -            if (s->strm->avail_out == 0) return need_more; -        } else { -            /* There is no previous match to compare with, wait for -             * the next step to decide. -             */ -            s->match_available = 1; -            s->strstart++; -            s->lookahead--; -        } -    } -    Assert (flush != Z_NO_FLUSH, "no flush?"); -    if (s->match_available) { -        Tracevv((stderr,"%c", s->window[s->strstart-1])); -        _tr_tally_lit(s, s->window[s->strstart-1], bflush); -        s->match_available = 0; -    } -    FLUSH_BLOCK(s, flush == Z_FINISH); -    return flush == Z_FINISH ? finish_done : block_done; -} -#endif /* FASTEST */ - -#if 0 -/* =========================================================================== - * For Z_RLE, simply look for runs of bytes, generate matches only of distance - * one.  Do not maintain a hash table.  (It will be regenerated if this run of - * deflate switches away from Z_RLE.) - */ -local block_state deflate_rle(s, flush) -    deflate_state *s; -    int flush; -{ -    int bflush;         /* set if current block must be flushed */ -    uInt run;           /* length of run */ -    uInt max;           /* maximum length of run */ -    uInt prev;          /* byte at distance one to match */ -    Bytef *scan;        /* scan for end of run */ - -    for (;;) { -        /* Make sure that we always have enough lookahead, except -         * at the end of the input file. We need MAX_MATCH bytes -         * for the longest encodable run. -         */ -        if (s->lookahead < MAX_MATCH) { -            fill_window(s); -            if (s->lookahead < MAX_MATCH && flush == Z_NO_FLUSH) { -                return need_more; -            } -            if (s->lookahead == 0) break; /* flush the current block */ -        } - -        /* See how many times the previous byte repeats */ -        run = 0; -        if (s->strstart > 0) {      /* if there is a previous byte, that is */ -            max = s->lookahead < MAX_MATCH ? s->lookahead : MAX_MATCH; -            scan = s->window + s->strstart - 1; -            prev = *scan++; -            do { -                if (*scan++ != prev) -                    break; -            } while (++run < max); -        } - -        /* Emit match if have run of MIN_MATCH or longer, else emit literal */ -        if (run >= MIN_MATCH) { -            check_match(s, s->strstart, s->strstart - 1, run); -            _tr_tally_dist(s, 1, run - MIN_MATCH, bflush); -            s->lookahead -= run; -            s->strstart += run; -        } else { -            /* No match, output a literal byte */ -            Tracevv((stderr,"%c", s->window[s->strstart])); -            _tr_tally_lit (s, s->window[s->strstart], bflush); -            s->lookahead--; -            s->strstart++; -        } -        if (bflush) FLUSH_BLOCK(s, 0); -    } -    FLUSH_BLOCK(s, flush == Z_FINISH); -    return flush == Z_FINISH ? finish_done : block_done; -} -#endif diff --git a/3rdParty/ZLib/src/deflate.h b/3rdParty/ZLib/src/deflate.h deleted file mode 100644 index 05a5ab3..0000000 --- a/3rdParty/ZLib/src/deflate.h +++ /dev/null @@ -1,331 +0,0 @@ -/* deflate.h -- internal compression state - * Copyright (C) 1995-2004 Jean-loup Gailly - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* WARNING: this file should *not* be used by applications. It is -   part of the implementation of the compression library and is -   subject to change. Applications should only use zlib.h. - */ - -/* @(#) $Id$ */ - -#ifndef DEFLATE_H -#define DEFLATE_H - -#include "zutil.h" - -/* define NO_GZIP when compiling if you want to disable gzip header and -   trailer creation by deflate().  NO_GZIP would be used to avoid linking in -   the crc code when it is not needed.  For shared libraries, gzip encoding -   should be left enabled. */ -#ifndef NO_GZIP -#  define GZIP -#endif - -/* =========================================================================== - * Internal compression state. - */ - -#define LENGTH_CODES 29 -/* number of length codes, not counting the special END_BLOCK code */ - -#define LITERALS  256 -/* number of literal bytes 0..255 */ - -#define L_CODES (LITERALS+1+LENGTH_CODES) -/* number of Literal or Length codes, including the END_BLOCK code */ - -#define D_CODES   30 -/* number of distance codes */ - -#define BL_CODES  19 -/* number of codes used to transfer the bit lengths */ - -#define HEAP_SIZE (2*L_CODES+1) -/* maximum heap size */ - -#define MAX_BITS 15 -/* All codes must not exceed MAX_BITS bits */ - -#define INIT_STATE    42 -#define EXTRA_STATE   69 -#define NAME_STATE    73 -#define COMMENT_STATE 91 -#define HCRC_STATE   103 -#define BUSY_STATE   113 -#define FINISH_STATE 666 -/* Stream status */ - - -/* Data structure describing a single value and its code string. */ -typedef struct ct_data_s { -    union { -        ush  freq;       /* frequency count */ -        ush  code;       /* bit string */ -    } fc; -    union { -        ush  dad;        /* father node in Huffman tree */ -        ush  len;        /* length of bit string */ -    } dl; -} FAR ct_data; - -#define Freq fc.freq -#define Code fc.code -#define Dad  dl.dad -#define Len  dl.len - -typedef struct static_tree_desc_s  static_tree_desc; - -typedef struct tree_desc_s { -    ct_data *dyn_tree;           /* the dynamic tree */ -    int     max_code;            /* largest code with non zero frequency */ -    static_tree_desc *stat_desc; /* the corresponding static tree */ -} FAR tree_desc; - -typedef ush Pos; -typedef Pos FAR Posf; -typedef unsigned IPos; - -/* A Pos is an index in the character window. We use short instead of int to - * save space in the various tables. IPos is used only for parameter passing. - */ - -typedef struct internal_state { -    z_streamp strm;      /* pointer back to this zlib stream */ -    int   status;        /* as the name implies */ -    Bytef *pending_buf;  /* output still pending */ -    ulg   pending_buf_size; /* size of pending_buf */ -    Bytef *pending_out;  /* next pending byte to output to the stream */ -    uInt   pending;      /* nb of bytes in the pending buffer */ -    int   wrap;          /* bit 0 true for zlib, bit 1 true for gzip */ -    gz_headerp  gzhead;  /* gzip header information to write */ -    uInt   gzindex;      /* where in extra, name, or comment */ -    Byte  method;        /* STORED (for zip only) or DEFLATED */ -    int   last_flush;    /* value of flush param for previous deflate call */ - -                /* used by deflate.c: */ - -    uInt  w_size;        /* LZ77 window size (32K by default) */ -    uInt  w_bits;        /* log2(w_size)  (8..16) */ -    uInt  w_mask;        /* w_size - 1 */ - -    Bytef *window; -    /* Sliding window. Input bytes are read into the second half of the window, -     * and move to the first half later to keep a dictionary of at least wSize -     * bytes. With this organization, matches are limited to a distance of -     * wSize-MAX_MATCH bytes, but this ensures that IO is always -     * performed with a length multiple of the block size. Also, it limits -     * the window size to 64K, which is quite useful on MSDOS. -     * To do: use the user input buffer as sliding window. -     */ - -    ulg window_size; -    /* Actual size of window: 2*wSize, except when the user input buffer -     * is directly used as sliding window. -     */ - -    Posf *prev; -    /* Link to older string with same hash index. To limit the size of this -     * array to 64K, this link is maintained only for the last 32K strings. -     * An index in this array is thus a window index modulo 32K. -     */ - -    Posf *head; /* Heads of the hash chains or NIL. */ - -    uInt  ins_h;          /* hash index of string to be inserted */ -    uInt  hash_size;      /* number of elements in hash table */ -    uInt  hash_bits;      /* log2(hash_size) */ -    uInt  hash_mask;      /* hash_size-1 */ - -    uInt  hash_shift; -    /* Number of bits by which ins_h must be shifted at each input -     * step. It must be such that after MIN_MATCH steps, the oldest -     * byte no longer takes part in the hash key, that is: -     *   hash_shift * MIN_MATCH >= hash_bits -     */ - -    long block_start; -    /* Window position at the beginning of the current output block. Gets -     * negative when the window is moved backwards. -     */ - -    uInt match_length;           /* length of best match */ -    IPos prev_match;             /* previous match */ -    int match_available;         /* set if previous match exists */ -    uInt strstart;               /* start of string to insert */ -    uInt match_start;            /* start of matching string */ -    uInt lookahead;              /* number of valid bytes ahead in window */ - -    uInt prev_length; -    /* Length of the best match at previous step. Matches not greater than this -     * are discarded. This is used in the lazy match evaluation. -     */ - -    uInt max_chain_length; -    /* To speed up deflation, hash chains are never searched beyond this -     * length.  A higher limit improves compression ratio but degrades the -     * speed. -     */ - -    uInt max_lazy_match; -    /* Attempt to find a better match only when the current match is strictly -     * smaller than this value. This mechanism is used only for compression -     * levels >= 4. -     */ -#   define max_insert_length  max_lazy_match -    /* Insert new strings in the hash table only if the match length is not -     * greater than this length. This saves time but degrades compression. -     * max_insert_length is used only for compression levels <= 3. -     */ - -    int level;    /* compression level (1..9) */ -    int strategy; /* favor or force Huffman coding*/ - -    uInt good_match; -    /* Use a faster search when the previous match is longer than this */ - -    int nice_match; /* Stop searching when current match exceeds this */ - -                /* used by trees.c: */ -    /* Didn't use ct_data typedef below to supress compiler warning */ -    struct ct_data_s dyn_ltree[HEAP_SIZE];   /* literal and length tree */ -    struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */ -    struct ct_data_s bl_tree[2*BL_CODES+1];  /* Huffman tree for bit lengths */ - -    struct tree_desc_s l_desc;               /* desc. for literal tree */ -    struct tree_desc_s d_desc;               /* desc. for distance tree */ -    struct tree_desc_s bl_desc;              /* desc. for bit length tree */ - -    ush bl_count[MAX_BITS+1]; -    /* number of codes at each bit length for an optimal tree */ - -    int heap[2*L_CODES+1];      /* heap used to build the Huffman trees */ -    int heap_len;               /* number of elements in the heap */ -    int heap_max;               /* element of largest frequency */ -    /* The sons of heap[n] are heap[2*n] and heap[2*n+1]. heap[0] is not used. -     * The same heap array is used to build all trees. -     */ - -    uch depth[2*L_CODES+1]; -    /* Depth of each subtree used as tie breaker for trees of equal frequency -     */ - -    uchf *l_buf;          /* buffer for literals or lengths */ - -    uInt  lit_bufsize; -    /* Size of match buffer for literals/lengths.  There are 4 reasons for -     * limiting lit_bufsize to 64K: -     *   - frequencies can be kept in 16 bit counters -     *   - if compression is not successful for the first block, all input -     *     data is still in the window so we can still emit a stored block even -     *     when input comes from standard input.  (This can also be done for -     *     all blocks if lit_bufsize is not greater than 32K.) -     *   - if compression is not successful for a file smaller than 64K, we can -     *     even emit a stored file instead of a stored block (saving 5 bytes). -     *     This is applicable only for zip (not gzip or zlib). -     *   - creating new Huffman trees less frequently may not provide fast -     *     adaptation to changes in the input data statistics. (Take for -     *     example a binary file with poorly compressible code followed by -     *     a highly compressible string table.) Smaller buffer sizes give -     *     fast adaptation but have of course the overhead of transmitting -     *     trees more frequently. -     *   - I can't count above 4 -     */ - -    uInt last_lit;      /* running index in l_buf */ - -    ushf *d_buf; -    /* Buffer for distances. To simplify the code, d_buf and l_buf have -     * the same number of elements. To use different lengths, an extra flag -     * array would be necessary. -     */ - -    ulg opt_len;        /* bit length of current block with optimal trees */ -    ulg static_len;     /* bit length of current block with static trees */ -    uInt matches;       /* number of string matches in current block */ -    int last_eob_len;   /* bit length of EOB code for last block */ - -#ifdef DEBUG -    ulg compressed_len; /* total bit length of compressed file mod 2^32 */ -    ulg bits_sent;      /* bit length of compressed data sent mod 2^32 */ -#endif - -    ush bi_buf; -    /* Output buffer. bits are inserted starting at the bottom (least -     * significant bits). -     */ -    int bi_valid; -    /* Number of valid bits in bi_buf.  All bits above the last valid bit -     * are always zero. -     */ - -} FAR deflate_state; - -/* Output a byte on the stream. - * IN assertion: there is enough room in pending_buf. - */ -#define put_byte(s, c) {s->pending_buf[s->pending++] = (c);} - - -#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1) -/* Minimum amount of lookahead, except at the end of the input file. - * See deflate.c for comments about the MIN_MATCH+1. - */ - -#define MAX_DIST(s)  ((s)->w_size-MIN_LOOKAHEAD) -/* In order to simplify the code, particularly on 16 bit machines, match - * distances are limited to MAX_DIST instead of WSIZE. - */ - -        /* in trees.c */ -void _tr_init         OF((deflate_state *s)); -int  _tr_tally        OF((deflate_state *s, unsigned dist, unsigned lc)); -void _tr_flush_block  OF((deflate_state *s, charf *buf, ulg stored_len, -                          int eof)); -void _tr_align        OF((deflate_state *s)); -void _tr_stored_block OF((deflate_state *s, charf *buf, ulg stored_len, -                          int eof)); - -#define d_code(dist) \ -   ((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)]) -/* Mapping from a distance to a distance code. dist is the distance - 1 and - * must not have side effects. _dist_code[256] and _dist_code[257] are never - * used. - */ - -#ifndef DEBUG -/* Inline versions of _tr_tally for speed: */ - -#if defined(GEN_TREES_H) || !defined(STDC) -  extern uch _length_code[]; -  extern uch _dist_code[]; -#else -  extern const uch _length_code[]; -  extern const uch _dist_code[]; -#endif - -# define _tr_tally_lit(s, c, flush) \ -  { uch cc = (c); \ -    s->d_buf[s->last_lit] = 0; \ -    s->l_buf[s->last_lit++] = cc; \ -    s->dyn_ltree[cc].Freq++; \ -    flush = (s->last_lit == s->lit_bufsize-1); \ -   } -# define _tr_tally_dist(s, distance, length, flush) \ -  { uch len = (length); \ -    ush dist = (distance); \ -    s->d_buf[s->last_lit] = dist; \ -    s->l_buf[s->last_lit++] = len; \ -    dist--; \ -    s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \ -    s->dyn_dtree[d_code(dist)].Freq++; \ -    flush = (s->last_lit == s->lit_bufsize-1); \ -  } -#else -# define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c) -# define _tr_tally_dist(s, distance, length, flush) \ -              flush = _tr_tally(s, distance, length) -#endif - -#endif /* DEFLATE_H */ diff --git a/3rdParty/ZLib/src/gzio.c b/3rdParty/ZLib/src/gzio.c deleted file mode 100644 index 7e90f49..0000000 --- a/3rdParty/ZLib/src/gzio.c +++ /dev/null @@ -1,1026 +0,0 @@ -/* gzio.c -- IO on .gz files - * Copyright (C) 1995-2005 Jean-loup Gailly. - * For conditions of distribution and use, see copyright notice in zlib.h - * - * Compile this file with -DNO_GZCOMPRESS to avoid the compression code. - */ - -/* @(#) $Id$ */ - -#include <stdio.h> - -#include "zutil.h" - -#ifdef NO_DEFLATE       /* for compatibility with old definition */ -#  define NO_GZCOMPRESS -#endif - -#ifndef NO_DUMMY_DECL -struct internal_state {int dummy;}; /* for buggy compilers */ -#endif - -#ifndef Z_BUFSIZE -#  ifdef MAXSEG_64K -#    define Z_BUFSIZE 4096 /* minimize memory usage for 16-bit DOS */ -#  else -#    define Z_BUFSIZE 16384 -#  endif -#endif -#ifndef Z_PRINTF_BUFSIZE -#  define Z_PRINTF_BUFSIZE 4096 -#endif - -#ifdef __MVS__ -#  pragma map (fdopen , "\174\174FDOPEN") -   FILE *fdopen(int, const char *); -#endif - -#ifndef STDC -extern voidp  malloc OF((uInt size)); -extern void   free   OF((voidpf ptr)); -#endif - -#define ALLOC(size) malloc(size) -#define TRYFREE(p) {if (p) free(p);} - -static int const gz_magic[2] = {0x1f, 0x8b}; /* gzip magic header */ - -/* gzip flag byte */ -#define ASCII_FLAG   0x01 /* bit 0 set: file probably ascii text */ -#define HEAD_CRC     0x02 /* bit 1 set: header CRC present */ -#define EXTRA_FIELD  0x04 /* bit 2 set: extra field present */ -#define ORIG_NAME    0x08 /* bit 3 set: original file name present */ -#define COMMENT      0x10 /* bit 4 set: file comment present */ -#define RESERVED     0xE0 /* bits 5..7: reserved */ - -typedef struct gz_stream { -    z_stream stream; -    int      z_err;   /* error code for last stream operation */ -    int      z_eof;   /* set if end of input file */ -    FILE     *file;   /* .gz file */ -    Byte     *inbuf;  /* input buffer */ -    Byte     *outbuf; /* output buffer */ -    uLong    crc;     /* crc32 of uncompressed data */ -    char     *msg;    /* error message */ -    char     *path;   /* path name for debugging only */ -    int      transparent; /* 1 if input file is not a .gz file */ -    char     mode;    /* 'w' or 'r' */ -    z_off_t  start;   /* start of compressed data in file (header skipped) */ -    z_off_t  in;      /* bytes into deflate or inflate */ -    z_off_t  out;     /* bytes out of deflate or inflate */ -    int      back;    /* one character push-back */ -    int      last;    /* true if push-back is last character */ -} gz_stream; - - -local gzFile gz_open      OF((const char *path, const char *mode, int  fd)); -local int do_flush        OF((gzFile file, int flush)); -local int    get_byte     OF((gz_stream *s)); -local void   check_header OF((gz_stream *s)); -local int    destroy      OF((gz_stream *s)); -local void   putLong      OF((FILE *file, uLong x)); -local uLong  getLong      OF((gz_stream *s)); - -/* =========================================================================== -     Opens a gzip (.gz) file for reading or writing. The mode parameter -   is as in fopen ("rb" or "wb"). The file is given either by file descriptor -   or path name (if fd == -1). -     gz_open returns NULL if the file could not be opened or if there was -   insufficient memory to allocate the (de)compression state; errno -   can be checked to distinguish the two cases (if errno is zero, the -   zlib error is Z_MEM_ERROR). -*/ -local gzFile gz_open (path, mode, fd) -    const char *path; -    const char *mode; -    int  fd; -{ -    int err; -    int level = Z_DEFAULT_COMPRESSION; /* compression level */ -    int strategy = Z_DEFAULT_STRATEGY; /* compression strategy */ -    char *p = (char*)mode; -    gz_stream *s; -    char fmode[80]; /* copy of mode, without the compression level */ -    char *m = fmode; - -    if (!path || !mode) return Z_NULL; - -    s = (gz_stream *)ALLOC(sizeof(gz_stream)); -    if (!s) return Z_NULL; - -    s->stream.zalloc = (alloc_func)0; -    s->stream.zfree = (free_func)0; -    s->stream.opaque = (voidpf)0; -    s->stream.next_in = s->inbuf = Z_NULL; -    s->stream.next_out = s->outbuf = Z_NULL; -    s->stream.avail_in = s->stream.avail_out = 0; -    s->file = NULL; -    s->z_err = Z_OK; -    s->z_eof = 0; -    s->in = 0; -    s->out = 0; -    s->back = EOF; -    s->crc = crc32(0L, Z_NULL, 0); -    s->msg = NULL; -    s->transparent = 0; - -    s->path = (char*)ALLOC(strlen(path)+1); -    if (s->path == NULL) { -        return destroy(s), (gzFile)Z_NULL; -    } -    strcpy(s->path, path); /* do this early for debugging */ - -    s->mode = '\0'; -    do { -        if (*p == 'r') s->mode = 'r'; -        if (*p == 'w' || *p == 'a') s->mode = 'w'; -        if (*p >= '0' && *p <= '9') { -            level = *p - '0'; -        } else if (*p == 'f') { -          strategy = Z_FILTERED; -        } else if (*p == 'h') { -          strategy = Z_HUFFMAN_ONLY; -        } else if (*p == 'R') { -          strategy = Z_RLE; -        } else { -            *m++ = *p; /* copy the mode */ -        } -    } while (*p++ && m != fmode + sizeof(fmode)); -    if (s->mode == '\0') return destroy(s), (gzFile)Z_NULL; - -    if (s->mode == 'w') { -#ifdef NO_GZCOMPRESS -        err = Z_STREAM_ERROR; -#else -        err = deflateInit2(&(s->stream), level, -                           Z_DEFLATED, -MAX_WBITS, DEF_MEM_LEVEL, strategy); -        /* windowBits is passed < 0 to suppress zlib header */ - -        s->stream.next_out = s->outbuf = (Byte*)ALLOC(Z_BUFSIZE); -#endif -        if (err != Z_OK || s->outbuf == Z_NULL) { -            return destroy(s), (gzFile)Z_NULL; -        } -    } else { -        s->stream.next_in  = s->inbuf = (Byte*)ALLOC(Z_BUFSIZE); - -        err = inflateInit2(&(s->stream), -MAX_WBITS); -        /* windowBits is passed < 0 to tell that there is no zlib header. -         * Note that in this case inflate *requires* an extra "dummy" byte -         * after the compressed stream in order to complete decompression and -         * return Z_STREAM_END. Here the gzip CRC32 ensures that 4 bytes are -         * present after the compressed stream. -         */ -        if (err != Z_OK || s->inbuf == Z_NULL) { -            return destroy(s), (gzFile)Z_NULL; -        } -    } -    s->stream.avail_out = Z_BUFSIZE; - -    errno = 0; -    s->file = fd < 0 ? F_OPEN(path, fmode) : (FILE*)fdopen(fd, fmode); - -    if (s->file == NULL) { -        return destroy(s), (gzFile)Z_NULL; -    } -    if (s->mode == 'w') { -        /* Write a very simple .gz header: -         */ -        fprintf(s->file, "%c%c%c%c%c%c%c%c%c%c", gz_magic[0], gz_magic[1], -             Z_DEFLATED, 0 /*flags*/, 0,0,0,0 /*time*/, 0 /*xflags*/, OS_CODE); -        s->start = 10L; -        /* We use 10L instead of ftell(s->file) to because ftell causes an -         * fflush on some systems. This version of the library doesn't use -         * start anyway in write mode, so this initialization is not -         * necessary. -         */ -    } else { -        check_header(s); /* skip the .gz header */ -        s->start = ftell(s->file) - s->stream.avail_in; -    } - -    return (gzFile)s; -} - -/* =========================================================================== -     Opens a gzip (.gz) file for reading or writing. -*/ -gzFile ZEXPORT gzopen (path, mode) -    const char *path; -    const char *mode; -{ -    return gz_open (path, mode, -1); -} - -/* =========================================================================== -     Associate a gzFile with the file descriptor fd. fd is not dup'ed here -   to mimic the behavio(u)r of fdopen. -*/ -gzFile ZEXPORT gzdopen (fd, mode) -    int fd; -    const char *mode; -{ -    char name[46];      /* allow for up to 128-bit integers */ - -    if (fd < 0) return (gzFile)Z_NULL; -    sprintf(name, "<fd:%d>", fd); /* for debugging */ - -    return gz_open (name, mode, fd); -} - -/* =========================================================================== - * Update the compression level and strategy - */ -int ZEXPORT gzsetparams (file, level, strategy) -    gzFile file; -    int level; -    int strategy; -{ -    gz_stream *s = (gz_stream*)file; - -    if (s == NULL || s->mode != 'w') return Z_STREAM_ERROR; - -    /* Make room to allow flushing */ -    if (s->stream.avail_out == 0) { - -        s->stream.next_out = s->outbuf; -        if (fwrite(s->outbuf, 1, Z_BUFSIZE, s->file) != Z_BUFSIZE) { -            s->z_err = Z_ERRNO; -        } -        s->stream.avail_out = Z_BUFSIZE; -    } - -    return deflateParams (&(s->stream), level, strategy); -} - -/* =========================================================================== -     Read a byte from a gz_stream; update next_in and avail_in. Return EOF -   for end of file. -   IN assertion: the stream s has been sucessfully opened for reading. -*/ -local int get_byte(s) -    gz_stream *s; -{ -    if (s->z_eof) return EOF; -    if (s->stream.avail_in == 0) { -        errno = 0; -        s->stream.avail_in = (uInt)fread(s->inbuf, 1, Z_BUFSIZE, s->file); -        if (s->stream.avail_in == 0) { -            s->z_eof = 1; -            if (ferror(s->file)) s->z_err = Z_ERRNO; -            return EOF; -        } -        s->stream.next_in = s->inbuf; -    } -    s->stream.avail_in--; -    return *(s->stream.next_in)++; -} - -/* =========================================================================== -      Check the gzip header of a gz_stream opened for reading. Set the stream -    mode to transparent if the gzip magic header is not present; set s->err -    to Z_DATA_ERROR if the magic header is present but the rest of the header -    is incorrect. -    IN assertion: the stream s has already been created sucessfully; -       s->stream.avail_in is zero for the first time, but may be non-zero -       for concatenated .gz files. -*/ -local void check_header(s) -    gz_stream *s; -{ -    int method; /* method byte */ -    int flags;  /* flags byte */ -    uInt len; -    int c; - -    /* Assure two bytes in the buffer so we can peek ahead -- handle case -       where first byte of header is at the end of the buffer after the last -       gzip segment */ -    len = s->stream.avail_in; -    if (len < 2) { -        if (len) s->inbuf[0] = s->stream.next_in[0]; -        errno = 0; -        len = (uInt)fread(s->inbuf + len, 1, Z_BUFSIZE >> len, s->file); -        if (len == 0 && ferror(s->file)) s->z_err = Z_ERRNO; -        s->stream.avail_in += len; -        s->stream.next_in = s->inbuf; -        if (s->stream.avail_in < 2) { -            s->transparent = s->stream.avail_in; -            return; -        } -    } - -    /* Peek ahead to check the gzip magic header */ -    if (s->stream.next_in[0] != gz_magic[0] || -        s->stream.next_in[1] != gz_magic[1]) { -        s->transparent = 1; -        return; -    } -    s->stream.avail_in -= 2; -    s->stream.next_in += 2; - -    /* Check the rest of the gzip header */ -    method = get_byte(s); -    flags = get_byte(s); -    if (method != Z_DEFLATED || (flags & RESERVED) != 0) { -        s->z_err = Z_DATA_ERROR; -        return; -    } - -    /* Discard time, xflags and OS code: */ -    for (len = 0; len < 6; len++) (void)get_byte(s); - -    if ((flags & EXTRA_FIELD) != 0) { /* skip the extra field */ -        len  =  (uInt)get_byte(s); -        len += ((uInt)get_byte(s))<<8; -        /* len is garbage if EOF but the loop below will quit anyway */ -        while (len-- != 0 && get_byte(s) != EOF) ; -    } -    if ((flags & ORIG_NAME) != 0) { /* skip the original file name */ -        while ((c = get_byte(s)) != 0 && c != EOF) ; -    } -    if ((flags & COMMENT) != 0) {   /* skip the .gz file comment */ -        while ((c = get_byte(s)) != 0 && c != EOF) ; -    } -    if ((flags & HEAD_CRC) != 0) {  /* skip the header crc */ -        for (len = 0; len < 2; len++) (void)get_byte(s); -    } -    s->z_err = s->z_eof ? Z_DATA_ERROR : Z_OK; -} - - /* =========================================================================== - * Cleanup then free the given gz_stream. Return a zlib error code. -   Try freeing in the reverse order of allocations. - */ -local int destroy (s) -    gz_stream *s; -{ -    int err = Z_OK; - -    if (!s) return Z_STREAM_ERROR; - -    TRYFREE(s->msg); - -    if (s->stream.state != NULL) { -        if (s->mode == 'w') { -#ifdef NO_GZCOMPRESS -            err = Z_STREAM_ERROR; -#else -            err = deflateEnd(&(s->stream)); -#endif -        } else if (s->mode == 'r') { -            err = inflateEnd(&(s->stream)); -        } -    } -    if (s->file != NULL && fclose(s->file)) { -#ifdef ESPIPE -        if (errno != ESPIPE) /* fclose is broken for pipes in HP/UX */ -#endif -            err = Z_ERRNO; -    } -    if (s->z_err < 0) err = s->z_err; - -    TRYFREE(s->inbuf); -    TRYFREE(s->outbuf); -    TRYFREE(s->path); -    TRYFREE(s); -    return err; -} - -/* =========================================================================== -     Reads the given number of uncompressed bytes from the compressed file. -   gzread returns the number of bytes actually read (0 for end of file). -*/ -int ZEXPORT gzread (file, buf, len) -    gzFile file; -    voidp buf; -    unsigned len; -{ -    gz_stream *s = (gz_stream*)file; -    Bytef *start = (Bytef*)buf; /* starting point for crc computation */ -    Byte  *next_out; /* == stream.next_out but not forced far (for MSDOS) */ - -    if (s == NULL || s->mode != 'r') return Z_STREAM_ERROR; - -    if (s->z_err == Z_DATA_ERROR || s->z_err == Z_ERRNO) return -1; -    if (s->z_err == Z_STREAM_END) return 0;  /* EOF */ - -    next_out = (Byte*)buf; -    s->stream.next_out = (Bytef*)buf; -    s->stream.avail_out = len; - -    if (s->stream.avail_out && s->back != EOF) { -        *next_out++ = s->back; -        s->stream.next_out++; -        s->stream.avail_out--; -        s->back = EOF; -        s->out++; -        start++; -        if (s->last) { -            s->z_err = Z_STREAM_END; -            return 1; -        } -    } - -    while (s->stream.avail_out != 0) { - -        if (s->transparent) { -            /* Copy first the lookahead bytes: */ -            uInt n = s->stream.avail_in; -            if (n > s->stream.avail_out) n = s->stream.avail_out; -            if (n > 0) { -                zmemcpy(s->stream.next_out, s->stream.next_in, n); -                next_out += n; -                s->stream.next_out = next_out; -                s->stream.next_in   += n; -                s->stream.avail_out -= n; -                s->stream.avail_in  -= n; -            } -            if (s->stream.avail_out > 0) { -                s->stream.avail_out -= -                    (uInt)fread(next_out, 1, s->stream.avail_out, s->file); -            } -            len -= s->stream.avail_out; -            s->in  += len; -            s->out += len; -            if (len == 0) s->z_eof = 1; -            return (int)len; -        } -        if (s->stream.avail_in == 0 && !s->z_eof) { - -            errno = 0; -            s->stream.avail_in = (uInt)fread(s->inbuf, 1, Z_BUFSIZE, s->file); -            if (s->stream.avail_in == 0) { -                s->z_eof = 1; -                if (ferror(s->file)) { -                    s->z_err = Z_ERRNO; -                    break; -                } -            } -            s->stream.next_in = s->inbuf; -        } -        s->in += s->stream.avail_in; -        s->out += s->stream.avail_out; -        s->z_err = inflate(&(s->stream), Z_NO_FLUSH); -        s->in -= s->stream.avail_in; -        s->out -= s->stream.avail_out; - -        if (s->z_err == Z_STREAM_END) { -            /* Check CRC and original size */ -            s->crc = crc32(s->crc, start, (uInt)(s->stream.next_out - start)); -            start = s->stream.next_out; - -            if (getLong(s) != s->crc) { -                s->z_err = Z_DATA_ERROR; -            } else { -                (void)getLong(s); -                /* The uncompressed length returned by above getlong() may be -                 * different from s->out in case of concatenated .gz files. -                 * Check for such files: -                 */ -                check_header(s); -                if (s->z_err == Z_OK) { -                    inflateReset(&(s->stream)); -                    s->crc = crc32(0L, Z_NULL, 0); -                } -            } -        } -        if (s->z_err != Z_OK || s->z_eof) break; -    } -    s->crc = crc32(s->crc, start, (uInt)(s->stream.next_out - start)); - -    if (len == s->stream.avail_out && -        (s->z_err == Z_DATA_ERROR || s->z_err == Z_ERRNO)) -        return -1; -    return (int)(len - s->stream.avail_out); -} - - -/* =========================================================================== -      Reads one byte from the compressed file. gzgetc returns this byte -   or -1 in case of end of file or error. -*/ -int ZEXPORT gzgetc(file) -    gzFile file; -{ -    unsigned char c; - -    return gzread(file, &c, 1) == 1 ? c : -1; -} - - -/* =========================================================================== -      Push one byte back onto the stream. -*/ -int ZEXPORT gzungetc(c, file) -    int c; -    gzFile file; -{ -    gz_stream *s = (gz_stream*)file; - -    if (s == NULL || s->mode != 'r' || c == EOF || s->back != EOF) return EOF; -    s->back = c; -    s->out--; -    s->last = (s->z_err == Z_STREAM_END); -    if (s->last) s->z_err = Z_OK; -    s->z_eof = 0; -    return c; -} - - -/* =========================================================================== -      Reads bytes from the compressed file until len-1 characters are -   read, or a newline character is read and transferred to buf, or an -   end-of-file condition is encountered.  The string is then terminated -   with a null character. -      gzgets returns buf, or Z_NULL in case of error. - -      The current implementation is not optimized at all. -*/ -char * ZEXPORT gzgets(file, buf, len) -    gzFile file; -    char *buf; -    int len; -{ -    char *b = buf; -    if (buf == Z_NULL || len <= 0) return Z_NULL; - -    while (--len > 0 && gzread(file, buf, 1) == 1 && *buf++ != '\n') ; -    *buf = '\0'; -    return b == buf && len > 0 ? Z_NULL : b; -} - - -#ifndef NO_GZCOMPRESS -/* =========================================================================== -     Writes the given number of uncompressed bytes into the compressed file. -   gzwrite returns the number of bytes actually written (0 in case of error). -*/ -int ZEXPORT gzwrite (file, buf, len) -    gzFile file; -    voidpc buf; -    unsigned len; -{ -    gz_stream *s = (gz_stream*)file; - -    if (s == NULL || s->mode != 'w') return Z_STREAM_ERROR; - -    s->stream.next_in = (Bytef*)buf; -    s->stream.avail_in = len; - -    while (s->stream.avail_in != 0) { - -        if (s->stream.avail_out == 0) { - -            s->stream.next_out = s->outbuf; -            if (fwrite(s->outbuf, 1, Z_BUFSIZE, s->file) != Z_BUFSIZE) { -                s->z_err = Z_ERRNO; -                break; -            } -            s->stream.avail_out = Z_BUFSIZE; -        } -        s->in += s->stream.avail_in; -        s->out += s->stream.avail_out; -        s->z_err = deflate(&(s->stream), Z_NO_FLUSH); -        s->in -= s->stream.avail_in; -        s->out -= s->stream.avail_out; -        if (s->z_err != Z_OK) break; -    } -    s->crc = crc32(s->crc, (const Bytef *)buf, len); - -    return (int)(len - s->stream.avail_in); -} - - -/* =========================================================================== -     Converts, formats, and writes the args to the compressed file under -   control of the format string, as in fprintf. gzprintf returns the number of -   uncompressed bytes actually written (0 in case of error). -*/ -#ifdef STDC -#include <stdarg.h> - -int ZEXPORTVA gzprintf (gzFile file, const char *format, /* args */ ...) -{ -    char buf[Z_PRINTF_BUFSIZE]; -    va_list va; -    int len; - -    buf[sizeof(buf) - 1] = 0; -    va_start(va, format); -#ifdef NO_vsnprintf -#  ifdef HAS_vsprintf_void -    (void)vsprintf(buf, format, va); -    va_end(va); -    for (len = 0; len < sizeof(buf); len++) -        if (buf[len] == 0) break; -#  else -    len = vsprintf(buf, format, va); -    va_end(va); -#  endif -#else -#  ifdef HAS_vsnprintf_void -    (void)vsnprintf(buf, sizeof(buf), format, va); -    va_end(va); -    len = strlen(buf); -#  else -    len = vsnprintf(buf, sizeof(buf), format, va); -    va_end(va); -#  endif -#endif -    if (len <= 0 || len >= (int)sizeof(buf) || buf[sizeof(buf) - 1] != 0) -        return 0; -    return gzwrite(file, buf, (unsigned)len); -} -#else /* not ANSI C */ - -int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, -                       a11, a12, a13, a14, a15, a16, a17, a18, a19, a20) -    gzFile file; -    const char *format; -    int a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, -        a11, a12, a13, a14, a15, a16, a17, a18, a19, a20; -{ -    char buf[Z_PRINTF_BUFSIZE]; -    int len; - -    buf[sizeof(buf) - 1] = 0; -#ifdef NO_snprintf -#  ifdef HAS_sprintf_void -    sprintf(buf, format, a1, a2, a3, a4, a5, a6, a7, a8, -            a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); -    for (len = 0; len < sizeof(buf); len++) -        if (buf[len] == 0) break; -#  else -    len = sprintf(buf, format, a1, a2, a3, a4, a5, a6, a7, a8, -                a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); -#  endif -#else -#  ifdef HAS_snprintf_void -    snprintf(buf, sizeof(buf), format, a1, a2, a3, a4, a5, a6, a7, a8, -             a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); -    len = strlen(buf); -#  else -    len = snprintf(buf, sizeof(buf), format, a1, a2, a3, a4, a5, a6, a7, a8, -                 a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20); -#  endif -#endif -    if (len <= 0 || len >= sizeof(buf) || buf[sizeof(buf) - 1] != 0) -        return 0; -    return gzwrite(file, buf, len); -} -#endif - -/* =========================================================================== -      Writes c, converted to an unsigned char, into the compressed file. -   gzputc returns the value that was written, or -1 in case of error. -*/ -int ZEXPORT gzputc(file, c) -    gzFile file; -    int c; -{ -    unsigned char cc = (unsigned char) c; /* required for big endian systems */ - -    return gzwrite(file, &cc, 1) == 1 ? (int)cc : -1; -} - - -/* =========================================================================== -      Writes the given null-terminated string to the compressed file, excluding -   the terminating null character. -      gzputs returns the number of characters written, or -1 in case of error. -*/ -int ZEXPORT gzputs(file, s) -    gzFile file; -    const char *s; -{ -    return gzwrite(file, (char*)s, (unsigned)strlen(s)); -} - - -/* =========================================================================== -     Flushes all pending output into the compressed file. The parameter -   flush is as in the deflate() function. -*/ -local int do_flush (file, flush) -    gzFile file; -    int flush; -{ -    uInt len; -    int done = 0; -    gz_stream *s = (gz_stream*)file; - -    if (s == NULL || s->mode != 'w') return Z_STREAM_ERROR; - -    s->stream.avail_in = 0; /* should be zero already anyway */ - -    for (;;) { -        len = Z_BUFSIZE - s->stream.avail_out; - -        if (len != 0) { -            if ((uInt)fwrite(s->outbuf, 1, len, s->file) != len) { -                s->z_err = Z_ERRNO; -                return Z_ERRNO; -            } -            s->stream.next_out = s->outbuf; -            s->stream.avail_out = Z_BUFSIZE; -        } -        if (done) break; -        s->out += s->stream.avail_out; -        s->z_err = deflate(&(s->stream), flush); -        s->out -= s->stream.avail_out; - -        /* Ignore the second of two consecutive flushes: */ -        if (len == 0 && s->z_err == Z_BUF_ERROR) s->z_err = Z_OK; - -        /* deflate has finished flushing only when it hasn't used up -         * all the available space in the output buffer: -         */ -        done = (s->stream.avail_out != 0 || s->z_err == Z_STREAM_END); - -        if (s->z_err != Z_OK && s->z_err != Z_STREAM_END) break; -    } -    return  s->z_err == Z_STREAM_END ? Z_OK : s->z_err; -} - -int ZEXPORT gzflush (file, flush) -     gzFile file; -     int flush; -{ -    gz_stream *s = (gz_stream*)file; -    int err = do_flush (file, flush); - -    if (err) return err; -    fflush(s->file); -    return  s->z_err == Z_STREAM_END ? Z_OK : s->z_err; -} -#endif /* NO_GZCOMPRESS */ - -/* =========================================================================== -      Sets the starting position for the next gzread or gzwrite on the given -   compressed file. The offset represents a number of bytes in the -      gzseek returns the resulting offset location as measured in bytes from -   the beginning of the uncompressed stream, or -1 in case of error. -      SEEK_END is not implemented, returns error. -      In this version of the library, gzseek can be extremely slow. -*/ -z_off_t ZEXPORT gzseek (file, offset, whence) -    gzFile file; -    z_off_t offset; -    int whence; -{ -    gz_stream *s = (gz_stream*)file; - -    if (s == NULL || whence == SEEK_END || -        s->z_err == Z_ERRNO || s->z_err == Z_DATA_ERROR) { -        return -1L; -    } - -    if (s->mode == 'w') { -#ifdef NO_GZCOMPRESS -        return -1L; -#else -        if (whence == SEEK_SET) { -            offset -= s->in; -        } -        if (offset < 0) return -1L; - -        /* At this point, offset is the number of zero bytes to write. */ -        if (s->inbuf == Z_NULL) { -            s->inbuf = (Byte*)ALLOC(Z_BUFSIZE); /* for seeking */ -            if (s->inbuf == Z_NULL) return -1L; -            zmemzero(s->inbuf, Z_BUFSIZE); -        } -        while (offset > 0)  { -            uInt size = Z_BUFSIZE; -            if (offset < Z_BUFSIZE) size = (uInt)offset; - -            size = gzwrite(file, s->inbuf, size); -            if (size == 0) return -1L; - -            offset -= size; -        } -        return s->in; -#endif -    } -    /* Rest of function is for reading only */ - -    /* compute absolute position */ -    if (whence == SEEK_CUR) { -        offset += s->out; -    } -    if (offset < 0) return -1L; - -    if (s->transparent) { -        /* map to fseek */ -        s->back = EOF; -        s->stream.avail_in = 0; -        s->stream.next_in = s->inbuf; -        if (fseek(s->file, offset, SEEK_SET) < 0) return -1L; - -        s->in = s->out = offset; -        return offset; -    } - -    /* For a negative seek, rewind and use positive seek */ -    if (offset >= s->out) { -        offset -= s->out; -    } else if (gzrewind(file) < 0) { -        return -1L; -    } -    /* offset is now the number of bytes to skip. */ - -    if (offset != 0 && s->outbuf == Z_NULL) { -        s->outbuf = (Byte*)ALLOC(Z_BUFSIZE); -        if (s->outbuf == Z_NULL) return -1L; -    } -    if (offset && s->back != EOF) { -        s->back = EOF; -        s->out++; -        offset--; -        if (s->last) s->z_err = Z_STREAM_END; -    } -    while (offset > 0)  { -        int size = Z_BUFSIZE; -        if (offset < Z_BUFSIZE) size = (int)offset; - -        size = gzread(file, s->outbuf, (uInt)size); -        if (size <= 0) return -1L; -        offset -= size; -    } -    return s->out; -} - -/* =========================================================================== -     Rewinds input file. -*/ -int ZEXPORT gzrewind (file) -    gzFile file; -{ -    gz_stream *s = (gz_stream*)file; - -    if (s == NULL || s->mode != 'r') return -1; - -    s->z_err = Z_OK; -    s->z_eof = 0; -    s->back = EOF; -    s->stream.avail_in = 0; -    s->stream.next_in = s->inbuf; -    s->crc = crc32(0L, Z_NULL, 0); -    if (!s->transparent) (void)inflateReset(&s->stream); -    s->in = 0; -    s->out = 0; -    return fseek(s->file, s->start, SEEK_SET); -} - -/* =========================================================================== -     Returns the starting position for the next gzread or gzwrite on the -   given compressed file. This position represents a number of bytes in the -   uncompressed data stream. -*/ -z_off_t ZEXPORT gztell (file) -    gzFile file; -{ -    return gzseek(file, 0L, SEEK_CUR); -} - -/* =========================================================================== -     Returns 1 when EOF has previously been detected reading the given -   input stream, otherwise zero. -*/ -int ZEXPORT gzeof (file) -    gzFile file; -{ -    gz_stream *s = (gz_stream*)file; - -    /* With concatenated compressed files that can have embedded -     * crc trailers, z_eof is no longer the only/best indicator of EOF -     * on a gz_stream. Handle end-of-stream error explicitly here. -     */ -    if (s == NULL || s->mode != 'r') return 0; -    if (s->z_eof) return 1; -    return s->z_err == Z_STREAM_END; -} - -/* =========================================================================== -     Returns 1 if reading and doing so transparently, otherwise zero. -*/ -int ZEXPORT gzdirect (file) -    gzFile file; -{ -    gz_stream *s = (gz_stream*)file; - -    if (s == NULL || s->mode != 'r') return 0; -    return s->transparent; -} - -/* =========================================================================== -   Outputs a long in LSB order to the given file -*/ -local void putLong (file, x) -    FILE *file; -    uLong x; -{ -    int n; -    for (n = 0; n < 4; n++) { -        fputc((int)(x & 0xff), file); -        x >>= 8; -    } -} - -/* =========================================================================== -   Reads a long in LSB order from the given gz_stream. Sets z_err in case -   of error. -*/ -local uLong getLong (s) -    gz_stream *s; -{ -    uLong x = (uLong)get_byte(s); -    int c; - -    x += ((uLong)get_byte(s))<<8; -    x += ((uLong)get_byte(s))<<16; -    c = get_byte(s); -    if (c == EOF) s->z_err = Z_DATA_ERROR; -    x += ((uLong)c)<<24; -    return x; -} - -/* =========================================================================== -     Flushes all pending output if necessary, closes the compressed file -   and deallocates all the (de)compression state. -*/ -int ZEXPORT gzclose (file) -    gzFile file; -{ -    gz_stream *s = (gz_stream*)file; - -    if (s == NULL) return Z_STREAM_ERROR; - -    if (s->mode == 'w') { -#ifdef NO_GZCOMPRESS -        return Z_STREAM_ERROR; -#else -        if (do_flush (file, Z_FINISH) != Z_OK) -            return destroy((gz_stream*)file); - -        putLong (s->file, s->crc); -        putLong (s->file, (uLong)(s->in & 0xffffffff)); -#endif -    } -    return destroy((gz_stream*)file); -} - -#ifdef STDC -#  define zstrerror(errnum) strerror(errnum) -#else -#  define zstrerror(errnum) "" -#endif - -/* =========================================================================== -     Returns the error message for the last error which occurred on the -   given compressed file. errnum is set to zlib error number. If an -   error occurred in the file system and not in the compression library, -   errnum is set to Z_ERRNO and the application may consult errno -   to get the exact error code. -*/ -const char * ZEXPORT gzerror (file, errnum) -    gzFile file; -    int *errnum; -{ -    char *m; -    gz_stream *s = (gz_stream*)file; - -    if (s == NULL) { -        *errnum = Z_STREAM_ERROR; -        return (const char*)ERR_MSG(Z_STREAM_ERROR); -    } -    *errnum = s->z_err; -    if (*errnum == Z_OK) return (const char*)""; - -    m = (char*)(*errnum == Z_ERRNO ? zstrerror(errno) : s->stream.msg); - -    if (m == NULL || *m == '\0') m = (char*)ERR_MSG(s->z_err); - -    TRYFREE(s->msg); -    s->msg = (char*)ALLOC(strlen(s->path) + strlen(m) + 3); -    if (s->msg == Z_NULL) return (const char*)ERR_MSG(Z_MEM_ERROR); -    strcpy(s->msg, s->path); -    strcat(s->msg, ": "); -    strcat(s->msg, m); -    return (const char*)s->msg; -} - -/* =========================================================================== -     Clear the error and end-of-file flags, and do the same for the real file. -*/ -void ZEXPORT gzclearerr (file) -    gzFile file; -{ -    gz_stream *s = (gz_stream*)file; - -    if (s == NULL) return; -    if (s->z_err != Z_STREAM_END) s->z_err = Z_OK; -    s->z_eof = 0; -    clearerr(s->file); -} diff --git a/3rdParty/ZLib/src/infback.c b/3rdParty/ZLib/src/infback.c deleted file mode 100644 index 455dbc9..0000000 --- a/3rdParty/ZLib/src/infback.c +++ /dev/null @@ -1,623 +0,0 @@ -/* infback.c -- inflate using a call-back interface - * Copyright (C) 1995-2005 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* -   This code is largely copied from inflate.c.  Normally either infback.o or -   inflate.o would be linked into an application--not both.  The interface -   with inffast.c is retained so that optimized assembler-coded versions of -   inflate_fast() can be used with either inflate.c or infback.c. - */ - -#include "zutil.h" -#include "inftrees.h" -#include "inflate.h" -#include "inffast.h" - -/* function prototypes */ -local void fixedtables OF((struct inflate_state FAR *state)); - -/* -   strm provides memory allocation functions in zalloc and zfree, or -   Z_NULL to use the library memory allocation functions. - -   windowBits is in the range 8..15, and window is a user-supplied -   window and output buffer that is 2**windowBits bytes. - */ -int ZEXPORT inflateBackInit_(strm, windowBits, window, version, stream_size) -z_streamp strm; -int windowBits; -unsigned char FAR *window; -const char *version; -int stream_size; -{ -    struct inflate_state FAR *state; - -    if (version == Z_NULL || version[0] != ZLIB_VERSION[0] || -        stream_size != (int)(sizeof(z_stream))) -        return Z_VERSION_ERROR; -    if (strm == Z_NULL || window == Z_NULL || -        windowBits < 8 || windowBits > 15) -        return Z_STREAM_ERROR; -    strm->msg = Z_NULL;                 /* in case we return an error */ -    if (strm->zalloc == (alloc_func)0) { -        strm->zalloc = zcalloc; -        strm->opaque = (voidpf)0; -    } -    if (strm->zfree == (free_func)0) strm->zfree = zcfree; -    state = (struct inflate_state FAR *)ZALLOC(strm, 1, -                                               sizeof(struct inflate_state)); -    if (state == Z_NULL) return Z_MEM_ERROR; -    Tracev((stderr, "inflate: allocated\n")); -    strm->state = (struct internal_state FAR *)state; -    state->dmax = 32768U; -    state->wbits = windowBits; -    state->wsize = 1U << windowBits; -    state->window = window; -    state->write = 0; -    state->whave = 0; -    return Z_OK; -} - -/* -   Return state with length and distance decoding tables and index sizes set to -   fixed code decoding.  Normally this returns fixed tables from inffixed.h. -   If BUILDFIXED is defined, then instead this routine builds the tables the -   first time it's called, and returns those tables the first time and -   thereafter.  This reduces the size of the code by about 2K bytes, in -   exchange for a little execution time.  However, BUILDFIXED should not be -   used for threaded applications, since the rewriting of the tables and virgin -   may not be thread-safe. - */ -local void fixedtables(state) -struct inflate_state FAR *state; -{ -#ifdef BUILDFIXED -    static int virgin = 1; -    static code *lenfix, *distfix; -    static code fixed[544]; - -    /* build fixed huffman tables if first call (may not be thread safe) */ -    if (virgin) { -        unsigned sym, bits; -        static code *next; - -        /* literal/length table */ -        sym = 0; -        while (sym < 144) state->lens[sym++] = 8; -        while (sym < 256) state->lens[sym++] = 9; -        while (sym < 280) state->lens[sym++] = 7; -        while (sym < 288) state->lens[sym++] = 8; -        next = fixed; -        lenfix = next; -        bits = 9; -        inflate_table(LENS, state->lens, 288, &(next), &(bits), state->work); - -        /* distance table */ -        sym = 0; -        while (sym < 32) state->lens[sym++] = 5; -        distfix = next; -        bits = 5; -        inflate_table(DISTS, state->lens, 32, &(next), &(bits), state->work); - -        /* do this just once */ -        virgin = 0; -    } -#else /* !BUILDFIXED */ -#   include "inffixed.h" -#endif /* BUILDFIXED */ -    state->lencode = lenfix; -    state->lenbits = 9; -    state->distcode = distfix; -    state->distbits = 5; -} - -/* Macros for inflateBack(): */ - -/* Load returned state from inflate_fast() */ -#define LOAD() \ -    do { \ -        put = strm->next_out; \ -        left = strm->avail_out; \ -        next = strm->next_in; \ -        have = strm->avail_in; \ -        hold = state->hold; \ -        bits = state->bits; \ -    } while (0) - -/* Set state from registers for inflate_fast() */ -#define RESTORE() \ -    do { \ -        strm->next_out = put; \ -        strm->avail_out = left; \ -        strm->next_in = next; \ -        strm->avail_in = have; \ -        state->hold = hold; \ -        state->bits = bits; \ -    } while (0) - -/* Clear the input bit accumulator */ -#define INITBITS() \ -    do { \ -        hold = 0; \ -        bits = 0; \ -    } while (0) - -/* Assure that some input is available.  If input is requested, but denied, -   then return a Z_BUF_ERROR from inflateBack(). */ -#define PULL() \ -    do { \ -        if (have == 0) { \ -            have = in(in_desc, &next); \ -            if (have == 0) { \ -                next = Z_NULL; \ -                ret = Z_BUF_ERROR; \ -                goto inf_leave; \ -            } \ -        } \ -    } while (0) - -/* Get a byte of input into the bit accumulator, or return from inflateBack() -   with an error if there is no input available. */ -#define PULLBYTE() \ -    do { \ -        PULL(); \ -        have--; \ -        hold += (unsigned long)(*next++) << bits; \ -        bits += 8; \ -    } while (0) - -/* Assure that there are at least n bits in the bit accumulator.  If there is -   not enough available input to do that, then return from inflateBack() with -   an error. */ -#define NEEDBITS(n) \ -    do { \ -        while (bits < (unsigned)(n)) \ -            PULLBYTE(); \ -    } while (0) - -/* Return the low n bits of the bit accumulator (n < 16) */ -#define BITS(n) \ -    ((unsigned)hold & ((1U << (n)) - 1)) - -/* Remove n bits from the bit accumulator */ -#define DROPBITS(n) \ -    do { \ -        hold >>= (n); \ -        bits -= (unsigned)(n); \ -    } while (0) - -/* Remove zero to seven bits as needed to go to a byte boundary */ -#define BYTEBITS() \ -    do { \ -        hold >>= bits & 7; \ -        bits -= bits & 7; \ -    } while (0) - -/* Assure that some output space is available, by writing out the window -   if it's full.  If the write fails, return from inflateBack() with a -   Z_BUF_ERROR. */ -#define ROOM() \ -    do { \ -        if (left == 0) { \ -            put = state->window; \ -            left = state->wsize; \ -            state->whave = left; \ -            if (out(out_desc, put, left)) { \ -                ret = Z_BUF_ERROR; \ -                goto inf_leave; \ -            } \ -        } \ -    } while (0) - -/* -   strm provides the memory allocation functions and window buffer on input, -   and provides information on the unused input on return.  For Z_DATA_ERROR -   returns, strm will also provide an error message. - -   in() and out() are the call-back input and output functions.  When -   inflateBack() needs more input, it calls in().  When inflateBack() has -   filled the window with output, or when it completes with data in the -   window, it calls out() to write out the data.  The application must not -   change the provided input until in() is called again or inflateBack() -   returns.  The application must not change the window/output buffer until -   inflateBack() returns. - -   in() and out() are called with a descriptor parameter provided in the -   inflateBack() call.  This parameter can be a structure that provides the -   information required to do the read or write, as well as accumulated -   information on the input and output such as totals and check values. - -   in() should return zero on failure.  out() should return non-zero on -   failure.  If either in() or out() fails, than inflateBack() returns a -   Z_BUF_ERROR.  strm->next_in can be checked for Z_NULL to see whether it -   was in() or out() that caused in the error.  Otherwise,  inflateBack() -   returns Z_STREAM_END on success, Z_DATA_ERROR for an deflate format -   error, or Z_MEM_ERROR if it could not allocate memory for the state. -   inflateBack() can also return Z_STREAM_ERROR if the input parameters -   are not correct, i.e. strm is Z_NULL or the state was not initialized. - */ -int ZEXPORT inflateBack(strm, in, in_desc, out, out_desc) -z_streamp strm; -in_func in; -void FAR *in_desc; -out_func out; -void FAR *out_desc; -{ -    struct inflate_state FAR *state; -    unsigned char FAR *next;    /* next input */ -    unsigned char FAR *put;     /* next output */ -    unsigned have, left;        /* available input and output */ -    unsigned long hold;         /* bit buffer */ -    unsigned bits;              /* bits in bit buffer */ -    unsigned copy;              /* number of stored or match bytes to copy */ -    unsigned char FAR *from;    /* where to copy match bytes from */ -    code this;                  /* current decoding table entry */ -    code last;                  /* parent table entry */ -    unsigned len;               /* length to copy for repeats, bits to drop */ -    int ret;                    /* return code */ -    static const unsigned short order[19] = /* permutation of code lengths */ -        {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; - -    /* Check that the strm exists and that the state was initialized */ -    if (strm == Z_NULL || strm->state == Z_NULL) -        return Z_STREAM_ERROR; -    state = (struct inflate_state FAR *)strm->state; - -    /* Reset the state */ -    strm->msg = Z_NULL; -    state->mode = TYPE; -    state->last = 0; -    state->whave = 0; -    next = strm->next_in; -    have = next != Z_NULL ? strm->avail_in : 0; -    hold = 0; -    bits = 0; -    put = state->window; -    left = state->wsize; - -    /* Inflate until end of block marked as last */ -    for (;;) -        switch (state->mode) { -        case TYPE: -            /* determine and dispatch block type */ -            if (state->last) { -                BYTEBITS(); -                state->mode = DONE; -                break; -            } -            NEEDBITS(3); -            state->last = BITS(1); -            DROPBITS(1); -            switch (BITS(2)) { -            case 0:                             /* stored block */ -                Tracev((stderr, "inflate:     stored block%s\n", -                        state->last ? " (last)" : "")); -                state->mode = STORED; -                break; -            case 1:                             /* fixed block */ -                fixedtables(state); -                Tracev((stderr, "inflate:     fixed codes block%s\n", -                        state->last ? " (last)" : "")); -                state->mode = LEN;              /* decode codes */ -                break; -            case 2:                             /* dynamic block */ -                Tracev((stderr, "inflate:     dynamic codes block%s\n", -                        state->last ? " (last)" : "")); -                state->mode = TABLE; -                break; -            case 3: -                strm->msg = (char *)"invalid block type"; -                state->mode = BAD; -            } -            DROPBITS(2); -            break; - -        case STORED: -            /* get and verify stored block length */ -            BYTEBITS();                         /* go to byte boundary */ -            NEEDBITS(32); -            if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) { -                strm->msg = (char *)"invalid stored block lengths"; -                state->mode = BAD; -                break; -            } -            state->length = (unsigned)hold & 0xffff; -            Tracev((stderr, "inflate:       stored length %u\n", -                    state->length)); -            INITBITS(); - -            /* copy stored block from input to output */ -            while (state->length != 0) { -                copy = state->length; -                PULL(); -                ROOM(); -                if (copy > have) copy = have; -                if (copy > left) copy = left; -                zmemcpy(put, next, copy); -                have -= copy; -                next += copy; -                left -= copy; -                put += copy; -                state->length -= copy; -            } -            Tracev((stderr, "inflate:       stored end\n")); -            state->mode = TYPE; -            break; - -        case TABLE: -            /* get dynamic table entries descriptor */ -            NEEDBITS(14); -            state->nlen = BITS(5) + 257; -            DROPBITS(5); -            state->ndist = BITS(5) + 1; -            DROPBITS(5); -            state->ncode = BITS(4) + 4; -            DROPBITS(4); -#ifndef PKZIP_BUG_WORKAROUND -            if (state->nlen > 286 || state->ndist > 30) { -                strm->msg = (char *)"too many length or distance symbols"; -                state->mode = BAD; -                break; -            } -#endif -            Tracev((stderr, "inflate:       table sizes ok\n")); - -            /* get code length code lengths (not a typo) */ -            state->have = 0; -            while (state->have < state->ncode) { -                NEEDBITS(3); -                state->lens[order[state->have++]] = (unsigned short)BITS(3); -                DROPBITS(3); -            } -            while (state->have < 19) -                state->lens[order[state->have++]] = 0; -            state->next = state->codes; -            state->lencode = (code const FAR *)(state->next); -            state->lenbits = 7; -            ret = inflate_table(CODES, state->lens, 19, &(state->next), -                                &(state->lenbits), state->work); -            if (ret) { -                strm->msg = (char *)"invalid code lengths set"; -                state->mode = BAD; -                break; -            } -            Tracev((stderr, "inflate:       code lengths ok\n")); - -            /* get length and distance code code lengths */ -            state->have = 0; -            while (state->have < state->nlen + state->ndist) { -                for (;;) { -                    this = state->lencode[BITS(state->lenbits)]; -                    if ((unsigned)(this.bits) <= bits) break; -                    PULLBYTE(); -                } -                if (this.val < 16) { -                    NEEDBITS(this.bits); -                    DROPBITS(this.bits); -                    state->lens[state->have++] = this.val; -                } -                else { -                    if (this.val == 16) { -                        NEEDBITS(this.bits + 2); -                        DROPBITS(this.bits); -                        if (state->have == 0) { -                            strm->msg = (char *)"invalid bit length repeat"; -                            state->mode = BAD; -                            break; -                        } -                        len = (unsigned)(state->lens[state->have - 1]); -                        copy = 3 + BITS(2); -                        DROPBITS(2); -                    } -                    else if (this.val == 17) { -                        NEEDBITS(this.bits + 3); -                        DROPBITS(this.bits); -                        len = 0; -                        copy = 3 + BITS(3); -                        DROPBITS(3); -                    } -                    else { -                        NEEDBITS(this.bits + 7); -                        DROPBITS(this.bits); -                        len = 0; -                        copy = 11 + BITS(7); -                        DROPBITS(7); -                    } -                    if (state->have + copy > state->nlen + state->ndist) { -                        strm->msg = (char *)"invalid bit length repeat"; -                        state->mode = BAD; -                        break; -                    } -                    while (copy--) -                        state->lens[state->have++] = (unsigned short)len; -                } -            } - -            /* handle error breaks in while */ -            if (state->mode == BAD) break; - -            /* build code tables */ -            state->next = state->codes; -            state->lencode = (code const FAR *)(state->next); -            state->lenbits = 9; -            ret = inflate_table(LENS, state->lens, state->nlen, &(state->next), -                                &(state->lenbits), state->work); -            if (ret) { -                strm->msg = (char *)"invalid literal/lengths set"; -                state->mode = BAD; -                break; -            } -            state->distcode = (code const FAR *)(state->next); -            state->distbits = 6; -            ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist, -                            &(state->next), &(state->distbits), state->work); -            if (ret) { -                strm->msg = (char *)"invalid distances set"; -                state->mode = BAD; -                break; -            } -            Tracev((stderr, "inflate:       codes ok\n")); -            state->mode = LEN; - -        case LEN: -            /* use inflate_fast() if we have enough input and output */ -            if (have >= 6 && left >= 258) { -                RESTORE(); -                if (state->whave < state->wsize) -                    state->whave = state->wsize - left; -                inflate_fast(strm, state->wsize); -                LOAD(); -                break; -            } - -            /* get a literal, length, or end-of-block code */ -            for (;;) { -                this = state->lencode[BITS(state->lenbits)]; -                if ((unsigned)(this.bits) <= bits) break; -                PULLBYTE(); -            } -            if (this.op && (this.op & 0xf0) == 0) { -                last = this; -                for (;;) { -                    this = state->lencode[last.val + -                            (BITS(last.bits + last.op) >> last.bits)]; -                    if ((unsigned)(last.bits + this.bits) <= bits) break; -                    PULLBYTE(); -                } -                DROPBITS(last.bits); -            } -            DROPBITS(this.bits); -            state->length = (unsigned)this.val; - -            /* process literal */ -            if (this.op == 0) { -                Tracevv((stderr, this.val >= 0x20 && this.val < 0x7f ? -                        "inflate:         literal '%c'\n" : -                        "inflate:         literal 0x%02x\n", this.val)); -                ROOM(); -                *put++ = (unsigned char)(state->length); -                left--; -                state->mode = LEN; -                break; -            } - -            /* process end of block */ -            if (this.op & 32) { -                Tracevv((stderr, "inflate:         end of block\n")); -                state->mode = TYPE; -                break; -            } - -            /* invalid code */ -            if (this.op & 64) { -                strm->msg = (char *)"invalid literal/length code"; -                state->mode = BAD; -                break; -            } - -            /* length code -- get extra bits, if any */ -            state->extra = (unsigned)(this.op) & 15; -            if (state->extra != 0) { -                NEEDBITS(state->extra); -                state->length += BITS(state->extra); -                DROPBITS(state->extra); -            } -            Tracevv((stderr, "inflate:         length %u\n", state->length)); - -            /* get distance code */ -            for (;;) { -                this = state->distcode[BITS(state->distbits)]; -                if ((unsigned)(this.bits) <= bits) break; -                PULLBYTE(); -            } -            if ((this.op & 0xf0) == 0) { -                last = this; -                for (;;) { -                    this = state->distcode[last.val + -                            (BITS(last.bits + last.op) >> last.bits)]; -                    if ((unsigned)(last.bits + this.bits) <= bits) break; -                    PULLBYTE(); -                } -                DROPBITS(last.bits); -            } -            DROPBITS(this.bits); -            if (this.op & 64) { -                strm->msg = (char *)"invalid distance code"; -                state->mode = BAD; -                break; -            } -            state->offset = (unsigned)this.val; - -            /* get distance extra bits, if any */ -            state->extra = (unsigned)(this.op) & 15; -            if (state->extra != 0) { -                NEEDBITS(state->extra); -                state->offset += BITS(state->extra); -                DROPBITS(state->extra); -            } -            if (state->offset > state->wsize - (state->whave < state->wsize ? -                                                left : 0)) { -                strm->msg = (char *)"invalid distance too far back"; -                state->mode = BAD; -                break; -            } -            Tracevv((stderr, "inflate:         distance %u\n", state->offset)); - -            /* copy match from window to output */ -            do { -                ROOM(); -                copy = state->wsize - state->offset; -                if (copy < left) { -                    from = put + copy; -                    copy = left - copy; -                } -                else { -                    from = put - state->offset; -                    copy = left; -                } -                if (copy > state->length) copy = state->length; -                state->length -= copy; -                left -= copy; -                do { -                    *put++ = *from++; -                } while (--copy); -            } while (state->length != 0); -            break; - -        case DONE: -            /* inflate stream terminated properly -- write leftover output */ -            ret = Z_STREAM_END; -            if (left < state->wsize) { -                if (out(out_desc, state->window, state->wsize - left)) -                    ret = Z_BUF_ERROR; -            } -            goto inf_leave; - -        case BAD: -            ret = Z_DATA_ERROR; -            goto inf_leave; - -        default:                /* can't happen, but makes compilers happy */ -            ret = Z_STREAM_ERROR; -            goto inf_leave; -        } - -    /* Return unused input */ -  inf_leave: -    strm->next_in = next; -    strm->avail_in = have; -    return ret; -} - -int ZEXPORT inflateBackEnd(strm) -z_streamp strm; -{ -    if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0) -        return Z_STREAM_ERROR; -    ZFREE(strm, strm->state); -    strm->state = Z_NULL; -    Tracev((stderr, "inflate: end\n")); -    return Z_OK; -} diff --git a/3rdParty/ZLib/src/inffast.c b/3rdParty/ZLib/src/inffast.c deleted file mode 100644 index bbee92e..0000000 --- a/3rdParty/ZLib/src/inffast.c +++ /dev/null @@ -1,318 +0,0 @@ -/* inffast.c -- fast decoding - * Copyright (C) 1995-2004 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -#include "zutil.h" -#include "inftrees.h" -#include "inflate.h" -#include "inffast.h" - -#ifndef ASMINF - -/* Allow machine dependent optimization for post-increment or pre-increment. -   Based on testing to date, -   Pre-increment preferred for: -   - PowerPC G3 (Adler) -   - MIPS R5000 (Randers-Pehrson) -   Post-increment preferred for: -   - none -   No measurable difference: -   - Pentium III (Anderson) -   - M68060 (Nikl) - */ -#ifdef POSTINC -#  define OFF 0 -#  define PUP(a) *(a)++ -#else -#  define OFF 1 -#  define PUP(a) *++(a) -#endif - -/* -   Decode literal, length, and distance codes and write out the resulting -   literal and match bytes until either not enough input or output is -   available, an end-of-block is encountered, or a data error is encountered. -   When large enough input and output buffers are supplied to inflate(), for -   example, a 16K input buffer and a 64K output buffer, more than 95% of the -   inflate execution time is spent in this routine. - -   Entry assumptions: - -        state->mode == LEN -        strm->avail_in >= 6 -        strm->avail_out >= 258 -        start >= strm->avail_out -        state->bits < 8 - -   On return, state->mode is one of: - -        LEN -- ran out of enough output space or enough available input -        TYPE -- reached end of block code, inflate() to interpret next block -        BAD -- error in block data - -   Notes: - -    - The maximum input bits used by a length/distance pair is 15 bits for the -      length code, 5 bits for the length extra, 15 bits for the distance code, -      and 13 bits for the distance extra.  This totals 48 bits, or six bytes. -      Therefore if strm->avail_in >= 6, then there is enough input to avoid -      checking for available input while decoding. - -    - The maximum bytes that a single length/distance pair can output is 258 -      bytes, which is the maximum length that can be coded.  inflate_fast() -      requires strm->avail_out >= 258 for each loop to avoid checking for -      output space. - */ -void inflate_fast(strm, start) -z_streamp strm; -unsigned start;         /* inflate()'s starting value for strm->avail_out */ -{ -    struct inflate_state FAR *state; -    unsigned char FAR *in;      /* local strm->next_in */ -    unsigned char FAR *last;    /* while in < last, enough input available */ -    unsigned char FAR *out;     /* local strm->next_out */ -    unsigned char FAR *beg;     /* inflate()'s initial strm->next_out */ -    unsigned char FAR *end;     /* while out < end, enough space available */ -#ifdef INFLATE_STRICT -    unsigned dmax;              /* maximum distance from zlib header */ -#endif -    unsigned wsize;             /* window size or zero if not using window */ -    unsigned whave;             /* valid bytes in the window */ -    unsigned write;             /* window write index */ -    unsigned char FAR *window;  /* allocated sliding window, if wsize != 0 */ -    unsigned long hold;         /* local strm->hold */ -    unsigned bits;              /* local strm->bits */ -    code const FAR *lcode;      /* local strm->lencode */ -    code const FAR *dcode;      /* local strm->distcode */ -    unsigned lmask;             /* mask for first level of length codes */ -    unsigned dmask;             /* mask for first level of distance codes */ -    code this;                  /* retrieved table entry */ -    unsigned op;                /* code bits, operation, extra bits, or */ -                                /*  window position, window bytes to copy */ -    unsigned len;               /* match length, unused bytes */ -    unsigned dist;              /* match distance */ -    unsigned char FAR *from;    /* where to copy match from */ - -    /* copy state to local variables */ -    state = (struct inflate_state FAR *)strm->state; -    in = strm->next_in - OFF; -    last = in + (strm->avail_in - 5); -    out = strm->next_out - OFF; -    beg = out - (start - strm->avail_out); -    end = out + (strm->avail_out - 257); -#ifdef INFLATE_STRICT -    dmax = state->dmax; -#endif -    wsize = state->wsize; -    whave = state->whave; -    write = state->write; -    window = state->window; -    hold = state->hold; -    bits = state->bits; -    lcode = state->lencode; -    dcode = state->distcode; -    lmask = (1U << state->lenbits) - 1; -    dmask = (1U << state->distbits) - 1; - -    /* decode literals and length/distances until end-of-block or not enough -       input data or output space */ -    do { -        if (bits < 15) { -            hold += (unsigned long)(PUP(in)) << bits; -            bits += 8; -            hold += (unsigned long)(PUP(in)) << bits; -            bits += 8; -        } -        this = lcode[hold & lmask]; -      dolen: -        op = (unsigned)(this.bits); -        hold >>= op; -        bits -= op; -        op = (unsigned)(this.op); -        if (op == 0) {                          /* literal */ -            Tracevv((stderr, this.val >= 0x20 && this.val < 0x7f ? -                    "inflate:         literal '%c'\n" : -                    "inflate:         literal 0x%02x\n", this.val)); -            PUP(out) = (unsigned char)(this.val); -        } -        else if (op & 16) {                     /* length base */ -            len = (unsigned)(this.val); -            op &= 15;                           /* number of extra bits */ -            if (op) { -                if (bits < op) { -                    hold += (unsigned long)(PUP(in)) << bits; -                    bits += 8; -                } -                len += (unsigned)hold & ((1U << op) - 1); -                hold >>= op; -                bits -= op; -            } -            Tracevv((stderr, "inflate:         length %u\n", len)); -            if (bits < 15) { -                hold += (unsigned long)(PUP(in)) << bits; -                bits += 8; -                hold += (unsigned long)(PUP(in)) << bits; -                bits += 8; -            } -            this = dcode[hold & dmask]; -          dodist: -            op = (unsigned)(this.bits); -            hold >>= op; -            bits -= op; -            op = (unsigned)(this.op); -            if (op & 16) {                      /* distance base */ -                dist = (unsigned)(this.val); -                op &= 15;                       /* number of extra bits */ -                if (bits < op) { -                    hold += (unsigned long)(PUP(in)) << bits; -                    bits += 8; -                    if (bits < op) { -                        hold += (unsigned long)(PUP(in)) << bits; -                        bits += 8; -                    } -                } -                dist += (unsigned)hold & ((1U << op) - 1); -#ifdef INFLATE_STRICT -                if (dist > dmax) { -                    strm->msg = (char *)"invalid distance too far back"; -                    state->mode = BAD; -                    break; -                } -#endif -                hold >>= op; -                bits -= op; -                Tracevv((stderr, "inflate:         distance %u\n", dist)); -                op = (unsigned)(out - beg);     /* max distance in output */ -                if (dist > op) {                /* see if copy from window */ -                    op = dist - op;             /* distance back in window */ -                    if (op > whave) { -                        strm->msg = (char *)"invalid distance too far back"; -                        state->mode = BAD; -                        break; -                    } -                    from = window - OFF; -                    if (write == 0) {           /* very common case */ -                        from += wsize - op; -                        if (op < len) {         /* some from window */ -                            len -= op; -                            do { -                                PUP(out) = PUP(from); -                            } while (--op); -                            from = out - dist;  /* rest from output */ -                        } -                    } -                    else if (write < op) {      /* wrap around window */ -                        from += wsize + write - op; -                        op -= write; -                        if (op < len) {         /* some from end of window */ -                            len -= op; -                            do { -                                PUP(out) = PUP(from); -                            } while (--op); -                            from = window - OFF; -                            if (write < len) {  /* some from start of window */ -                                op = write; -                                len -= op; -                                do { -                                    PUP(out) = PUP(from); -                                } while (--op); -                                from = out - dist;      /* rest from output */ -                            } -                        } -                    } -                    else {                      /* contiguous in window */ -                        from += write - op; -                        if (op < len) {         /* some from window */ -                            len -= op; -                            do { -                                PUP(out) = PUP(from); -                            } while (--op); -                            from = out - dist;  /* rest from output */ -                        } -                    } -                    while (len > 2) { -                        PUP(out) = PUP(from); -                        PUP(out) = PUP(from); -                        PUP(out) = PUP(from); -                        len -= 3; -                    } -                    if (len) { -                        PUP(out) = PUP(from); -                        if (len > 1) -                            PUP(out) = PUP(from); -                    } -                } -                else { -                    from = out - dist;          /* copy direct from output */ -                    do {                        /* minimum length is three */ -                        PUP(out) = PUP(from); -                        PUP(out) = PUP(from); -                        PUP(out) = PUP(from); -                        len -= 3; -                    } while (len > 2); -                    if (len) { -                        PUP(out) = PUP(from); -                        if (len > 1) -                            PUP(out) = PUP(from); -                    } -                } -            } -            else if ((op & 64) == 0) {          /* 2nd level distance code */ -                this = dcode[this.val + (hold & ((1U << op) - 1))]; -                goto dodist; -            } -            else { -                strm->msg = (char *)"invalid distance code"; -                state->mode = BAD; -                break; -            } -        } -        else if ((op & 64) == 0) {              /* 2nd level length code */ -            this = lcode[this.val + (hold & ((1U << op) - 1))]; -            goto dolen; -        } -        else if (op & 32) {                     /* end-of-block */ -            Tracevv((stderr, "inflate:         end of block\n")); -            state->mode = TYPE; -            break; -        } -        else { -            strm->msg = (char *)"invalid literal/length code"; -            state->mode = BAD; -            break; -        } -    } while (in < last && out < end); - -    /* return unused bytes (on entry, bits < 8, so in won't go too far back) */ -    len = bits >> 3; -    in -= len; -    bits -= len << 3; -    hold &= (1U << bits) - 1; - -    /* update state and return */ -    strm->next_in = in + OFF; -    strm->next_out = out + OFF; -    strm->avail_in = (unsigned)(in < last ? 5 + (last - in) : 5 - (in - last)); -    strm->avail_out = (unsigned)(out < end ? -                                 257 + (end - out) : 257 - (out - end)); -    state->hold = hold; -    state->bits = bits; -    return; -} - -/* -   inflate_fast() speedups that turned out slower (on a PowerPC G3 750CXe): -   - Using bit fields for code structure -   - Different op definition to avoid & for extra bits (do & for table bits) -   - Three separate decoding do-loops for direct, window, and write == 0 -   - Special case for distance > 1 copies to do overlapped load and store copy -   - Explicit branch predictions (based on measured branch probabilities) -   - Deferring match copy and interspersed it with decoding subsequent codes -   - Swapping literal/length else -   - Swapping window/direct else -   - Larger unrolled copy loops (three is about right) -   - Moving len -= 3 statement into middle of loop - */ - -#endif /* !ASMINF */ diff --git a/3rdParty/ZLib/src/inffast.h b/3rdParty/ZLib/src/inffast.h deleted file mode 100644 index 1e88d2d..0000000 --- a/3rdParty/ZLib/src/inffast.h +++ /dev/null @@ -1,11 +0,0 @@ -/* inffast.h -- header to use inffast.c - * Copyright (C) 1995-2003 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* WARNING: this file should *not* be used by applications. It is -   part of the implementation of the compression library and is -   subject to change. Applications should only use zlib.h. - */ - -void inflate_fast OF((z_streamp strm, unsigned start)); diff --git a/3rdParty/ZLib/src/inffixed.h b/3rdParty/ZLib/src/inffixed.h deleted file mode 100644 index 75ed4b5..0000000 --- a/3rdParty/ZLib/src/inffixed.h +++ /dev/null @@ -1,94 +0,0 @@ -    /* inffixed.h -- table for decoding fixed codes -     * Generated automatically by makefixed(). -     */ - -    /* WARNING: this file should *not* be used by applications. It -       is part of the implementation of the compression library and -       is subject to change. Applications should only use zlib.h. -     */ - -    static const code lenfix[512] = { -        {96,7,0},{0,8,80},{0,8,16},{20,8,115},{18,7,31},{0,8,112},{0,8,48}, -        {0,9,192},{16,7,10},{0,8,96},{0,8,32},{0,9,160},{0,8,0},{0,8,128}, -        {0,8,64},{0,9,224},{16,7,6},{0,8,88},{0,8,24},{0,9,144},{19,7,59}, -        {0,8,120},{0,8,56},{0,9,208},{17,7,17},{0,8,104},{0,8,40},{0,9,176}, -        {0,8,8},{0,8,136},{0,8,72},{0,9,240},{16,7,4},{0,8,84},{0,8,20}, -        {21,8,227},{19,7,43},{0,8,116},{0,8,52},{0,9,200},{17,7,13},{0,8,100}, -        {0,8,36},{0,9,168},{0,8,4},{0,8,132},{0,8,68},{0,9,232},{16,7,8}, -        {0,8,92},{0,8,28},{0,9,152},{20,7,83},{0,8,124},{0,8,60},{0,9,216}, -        {18,7,23},{0,8,108},{0,8,44},{0,9,184},{0,8,12},{0,8,140},{0,8,76}, -        {0,9,248},{16,7,3},{0,8,82},{0,8,18},{21,8,163},{19,7,35},{0,8,114}, -        {0,8,50},{0,9,196},{17,7,11},{0,8,98},{0,8,34},{0,9,164},{0,8,2}, -        {0,8,130},{0,8,66},{0,9,228},{16,7,7},{0,8,90},{0,8,26},{0,9,148}, -        {20,7,67},{0,8,122},{0,8,58},{0,9,212},{18,7,19},{0,8,106},{0,8,42}, -        {0,9,180},{0,8,10},{0,8,138},{0,8,74},{0,9,244},{16,7,5},{0,8,86}, -        {0,8,22},{64,8,0},{19,7,51},{0,8,118},{0,8,54},{0,9,204},{17,7,15}, -        {0,8,102},{0,8,38},{0,9,172},{0,8,6},{0,8,134},{0,8,70},{0,9,236}, -        {16,7,9},{0,8,94},{0,8,30},{0,9,156},{20,7,99},{0,8,126},{0,8,62}, -        {0,9,220},{18,7,27},{0,8,110},{0,8,46},{0,9,188},{0,8,14},{0,8,142}, -        {0,8,78},{0,9,252},{96,7,0},{0,8,81},{0,8,17},{21,8,131},{18,7,31}, -        {0,8,113},{0,8,49},{0,9,194},{16,7,10},{0,8,97},{0,8,33},{0,9,162}, -        {0,8,1},{0,8,129},{0,8,65},{0,9,226},{16,7,6},{0,8,89},{0,8,25}, -        {0,9,146},{19,7,59},{0,8,121},{0,8,57},{0,9,210},{17,7,17},{0,8,105}, -        {0,8,41},{0,9,178},{0,8,9},{0,8,137},{0,8,73},{0,9,242},{16,7,4}, -        {0,8,85},{0,8,21},{16,8,258},{19,7,43},{0,8,117},{0,8,53},{0,9,202}, -        {17,7,13},{0,8,101},{0,8,37},{0,9,170},{0,8,5},{0,8,133},{0,8,69}, -        {0,9,234},{16,7,8},{0,8,93},{0,8,29},{0,9,154},{20,7,83},{0,8,125}, -        {0,8,61},{0,9,218},{18,7,23},{0,8,109},{0,8,45},{0,9,186},{0,8,13}, -        {0,8,141},{0,8,77},{0,9,250},{16,7,3},{0,8,83},{0,8,19},{21,8,195}, -        {19,7,35},{0,8,115},{0,8,51},{0,9,198},{17,7,11},{0,8,99},{0,8,35}, -        {0,9,166},{0,8,3},{0,8,131},{0,8,67},{0,9,230},{16,7,7},{0,8,91}, -        {0,8,27},{0,9,150},{20,7,67},{0,8,123},{0,8,59},{0,9,214},{18,7,19}, -        {0,8,107},{0,8,43},{0,9,182},{0,8,11},{0,8,139},{0,8,75},{0,9,246}, -        {16,7,5},{0,8,87},{0,8,23},{64,8,0},{19,7,51},{0,8,119},{0,8,55}, -        {0,9,206},{17,7,15},{0,8,103},{0,8,39},{0,9,174},{0,8,7},{0,8,135}, -        {0,8,71},{0,9,238},{16,7,9},{0,8,95},{0,8,31},{0,9,158},{20,7,99}, -        {0,8,127},{0,8,63},{0,9,222},{18,7,27},{0,8,111},{0,8,47},{0,9,190}, -        {0,8,15},{0,8,143},{0,8,79},{0,9,254},{96,7,0},{0,8,80},{0,8,16}, -        {20,8,115},{18,7,31},{0,8,112},{0,8,48},{0,9,193},{16,7,10},{0,8,96}, -        {0,8,32},{0,9,161},{0,8,0},{0,8,128},{0,8,64},{0,9,225},{16,7,6}, -        {0,8,88},{0,8,24},{0,9,145},{19,7,59},{0,8,120},{0,8,56},{0,9,209}, -        {17,7,17},{0,8,104},{0,8,40},{0,9,177},{0,8,8},{0,8,136},{0,8,72}, -        {0,9,241},{16,7,4},{0,8,84},{0,8,20},{21,8,227},{19,7,43},{0,8,116}, -        {0,8,52},{0,9,201},{17,7,13},{0,8,100},{0,8,36},{0,9,169},{0,8,4}, -        {0,8,132},{0,8,68},{0,9,233},{16,7,8},{0,8,92},{0,8,28},{0,9,153}, -        {20,7,83},{0,8,124},{0,8,60},{0,9,217},{18,7,23},{0,8,108},{0,8,44}, -        {0,9,185},{0,8,12},{0,8,140},{0,8,76},{0,9,249},{16,7,3},{0,8,82}, -        {0,8,18},{21,8,163},{19,7,35},{0,8,114},{0,8,50},{0,9,197},{17,7,11}, -        {0,8,98},{0,8,34},{0,9,165},{0,8,2},{0,8,130},{0,8,66},{0,9,229}, -        {16,7,7},{0,8,90},{0,8,26},{0,9,149},{20,7,67},{0,8,122},{0,8,58}, -        {0,9,213},{18,7,19},{0,8,106},{0,8,42},{0,9,181},{0,8,10},{0,8,138}, -        {0,8,74},{0,9,245},{16,7,5},{0,8,86},{0,8,22},{64,8,0},{19,7,51}, -        {0,8,118},{0,8,54},{0,9,205},{17,7,15},{0,8,102},{0,8,38},{0,9,173}, -        {0,8,6},{0,8,134},{0,8,70},{0,9,237},{16,7,9},{0,8,94},{0,8,30}, -        {0,9,157},{20,7,99},{0,8,126},{0,8,62},{0,9,221},{18,7,27},{0,8,110}, -        {0,8,46},{0,9,189},{0,8,14},{0,8,142},{0,8,78},{0,9,253},{96,7,0}, -        {0,8,81},{0,8,17},{21,8,131},{18,7,31},{0,8,113},{0,8,49},{0,9,195}, -        {16,7,10},{0,8,97},{0,8,33},{0,9,163},{0,8,1},{0,8,129},{0,8,65}, -        {0,9,227},{16,7,6},{0,8,89},{0,8,25},{0,9,147},{19,7,59},{0,8,121}, -        {0,8,57},{0,9,211},{17,7,17},{0,8,105},{0,8,41},{0,9,179},{0,8,9}, -        {0,8,137},{0,8,73},{0,9,243},{16,7,4},{0,8,85},{0,8,21},{16,8,258}, -        {19,7,43},{0,8,117},{0,8,53},{0,9,203},{17,7,13},{0,8,101},{0,8,37}, -        {0,9,171},{0,8,5},{0,8,133},{0,8,69},{0,9,235},{16,7,8},{0,8,93}, -        {0,8,29},{0,9,155},{20,7,83},{0,8,125},{0,8,61},{0,9,219},{18,7,23}, -        {0,8,109},{0,8,45},{0,9,187},{0,8,13},{0,8,141},{0,8,77},{0,9,251}, -        {16,7,3},{0,8,83},{0,8,19},{21,8,195},{19,7,35},{0,8,115},{0,8,51}, -        {0,9,199},{17,7,11},{0,8,99},{0,8,35},{0,9,167},{0,8,3},{0,8,131}, -        {0,8,67},{0,9,231},{16,7,7},{0,8,91},{0,8,27},{0,9,151},{20,7,67}, -        {0,8,123},{0,8,59},{0,9,215},{18,7,19},{0,8,107},{0,8,43},{0,9,183}, -        {0,8,11},{0,8,139},{0,8,75},{0,9,247},{16,7,5},{0,8,87},{0,8,23}, -        {64,8,0},{19,7,51},{0,8,119},{0,8,55},{0,9,207},{17,7,15},{0,8,103}, -        {0,8,39},{0,9,175},{0,8,7},{0,8,135},{0,8,71},{0,9,239},{16,7,9}, -        {0,8,95},{0,8,31},{0,9,159},{20,7,99},{0,8,127},{0,8,63},{0,9,223}, -        {18,7,27},{0,8,111},{0,8,47},{0,9,191},{0,8,15},{0,8,143},{0,8,79}, -        {0,9,255} -    }; - -    static const code distfix[32] = { -        {16,5,1},{23,5,257},{19,5,17},{27,5,4097},{17,5,5},{25,5,1025}, -        {21,5,65},{29,5,16385},{16,5,3},{24,5,513},{20,5,33},{28,5,8193}, -        {18,5,9},{26,5,2049},{22,5,129},{64,5,0},{16,5,2},{23,5,385}, -        {19,5,25},{27,5,6145},{17,5,7},{25,5,1537},{21,5,97},{29,5,24577}, -        {16,5,4},{24,5,769},{20,5,49},{28,5,12289},{18,5,13},{26,5,3073}, -        {22,5,193},{64,5,0} -    }; diff --git a/3rdParty/ZLib/src/inflate.c b/3rdParty/ZLib/src/inflate.c deleted file mode 100644 index 792fdee..0000000 --- a/3rdParty/ZLib/src/inflate.c +++ /dev/null @@ -1,1368 +0,0 @@ -/* inflate.c -- zlib decompression - * Copyright (C) 1995-2005 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* - * Change history: - * - * 1.2.beta0    24 Nov 2002 - * - First version -- complete rewrite of inflate to simplify code, avoid - *   creation of window when not needed, minimize use of window when it is - *   needed, make inffast.c even faster, implement gzip decoding, and to - *   improve code readability and style over the previous zlib inflate code - * - * 1.2.beta1    25 Nov 2002 - * - Use pointers for available input and output checking in inffast.c - * - Remove input and output counters in inffast.c - * - Change inffast.c entry and loop from avail_in >= 7 to >= 6 - * - Remove unnecessary second byte pull from length extra in inffast.c - * - Unroll direct copy to three copies per loop in inffast.c - * - * 1.2.beta2    4 Dec 2002 - * - Change external routine names to reduce potential conflicts - * - Correct filename to inffixed.h for fixed tables in inflate.c - * - Make hbuf[] unsigned char to match parameter type in inflate.c - * - Change strm->next_out[-state->offset] to *(strm->next_out - state->offset) - *   to avoid negation problem on Alphas (64 bit) in inflate.c - * - * 1.2.beta3    22 Dec 2002 - * - Add comments on state->bits assertion in inffast.c - * - Add comments on op field in inftrees.h - * - Fix bug in reuse of allocated window after inflateReset() - * - Remove bit fields--back to byte structure for speed - * - Remove distance extra == 0 check in inflate_fast()--only helps for lengths - * - Change post-increments to pre-increments in inflate_fast(), PPC biased? - * - Add compile time option, POSTINC, to use post-increments instead (Intel?) - * - Make MATCH copy in inflate() much faster for when inflate_fast() not used - * - Use local copies of stream next and avail values, as well as local bit - *   buffer and bit count in inflate()--for speed when inflate_fast() not used - * - * 1.2.beta4    1 Jan 2003 - * - Split ptr - 257 statements in inflate_table() to avoid compiler warnings - * - Move a comment on output buffer sizes from inffast.c to inflate.c - * - Add comments in inffast.c to introduce the inflate_fast() routine - * - Rearrange window copies in inflate_fast() for speed and simplification - * - Unroll last copy for window match in inflate_fast() - * - Use local copies of window variables in inflate_fast() for speed - * - Pull out common write == 0 case for speed in inflate_fast() - * - Make op and len in inflate_fast() unsigned for consistency - * - Add FAR to lcode and dcode declarations in inflate_fast() - * - Simplified bad distance check in inflate_fast() - * - Added inflateBackInit(), inflateBack(), and inflateBackEnd() in new - *   source file infback.c to provide a call-back interface to inflate for - *   programs like gzip and unzip -- uses window as output buffer to avoid - *   window copying - * - * 1.2.beta5    1 Jan 2003 - * - Improved inflateBack() interface to allow the caller to provide initial - *   input in strm. - * - Fixed stored blocks bug in inflateBack() - * - * 1.2.beta6    4 Jan 2003 - * - Added comments in inffast.c on effectiveness of POSTINC - * - Typecasting all around to reduce compiler warnings - * - Changed loops from while (1) or do {} while (1) to for (;;), again to - *   make compilers happy - * - Changed type of window in inflateBackInit() to unsigned char * - * - * 1.2.beta7    27 Jan 2003 - * - Changed many types to unsigned or unsigned short to avoid warnings - * - Added inflateCopy() function - * - * 1.2.0        9 Mar 2003 - * - Changed inflateBack() interface to provide separate opaque descriptors - *   for the in() and out() functions - * - Changed inflateBack() argument and in_func typedef to swap the length - *   and buffer address return values for the input function - * - Check next_in and next_out for Z_NULL on entry to inflate() - * - * The history for versions after 1.2.0 are in ChangeLog in zlib distribution. - */ - -#include "zutil.h" -#include "inftrees.h" -#include "inflate.h" -#include "inffast.h" - -#ifdef MAKEFIXED -#  ifndef BUILDFIXED -#    define BUILDFIXED -#  endif -#endif - -/* function prototypes */ -local void fixedtables OF((struct inflate_state FAR *state)); -local int updatewindow OF((z_streamp strm, unsigned out)); -#ifdef BUILDFIXED -   void makefixed OF((void)); -#endif -local unsigned syncsearch OF((unsigned FAR *have, unsigned char FAR *buf, -                              unsigned len)); - -int ZEXPORT inflateReset(strm) -z_streamp strm; -{ -    struct inflate_state FAR *state; - -    if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; -    state = (struct inflate_state FAR *)strm->state; -    strm->total_in = strm->total_out = state->total = 0; -    strm->msg = Z_NULL; -    strm->adler = 1;        /* to support ill-conceived Java test suite */ -    state->mode = HEAD; -    state->last = 0; -    state->havedict = 0; -    state->dmax = 32768U; -    state->head = Z_NULL; -    state->wsize = 0; -    state->whave = 0; -    state->write = 0; -    state->hold = 0; -    state->bits = 0; -    state->lencode = state->distcode = state->next = state->codes; -    Tracev((stderr, "inflate: reset\n")); -    return Z_OK; -} - -int ZEXPORT inflatePrime(strm, bits, value) -z_streamp strm; -int bits; -int value; -{ -    struct inflate_state FAR *state; - -    if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; -    state = (struct inflate_state FAR *)strm->state; -    if (bits > 16 || state->bits + bits > 32) return Z_STREAM_ERROR; -    value &= (1L << bits) - 1; -    state->hold += value << state->bits; -    state->bits += bits; -    return Z_OK; -} - -int ZEXPORT inflateInit2_(strm, windowBits, version, stream_size) -z_streamp strm; -int windowBits; -const char *version; -int stream_size; -{ -    struct inflate_state FAR *state; - -    if (version == Z_NULL || version[0] != ZLIB_VERSION[0] || -        stream_size != (int)(sizeof(z_stream))) -        return Z_VERSION_ERROR; -    if (strm == Z_NULL) return Z_STREAM_ERROR; -    strm->msg = Z_NULL;                 /* in case we return an error */ -    if (strm->zalloc == (alloc_func)0) { -        strm->zalloc = zcalloc; -        strm->opaque = (voidpf)0; -    } -    if (strm->zfree == (free_func)0) strm->zfree = zcfree; -    state = (struct inflate_state FAR *) -            ZALLOC(strm, 1, sizeof(struct inflate_state)); -    if (state == Z_NULL) return Z_MEM_ERROR; -    Tracev((stderr, "inflate: allocated\n")); -    strm->state = (struct internal_state FAR *)state; -    if (windowBits < 0) { -        state->wrap = 0; -        windowBits = -windowBits; -    } -    else { -        state->wrap = (windowBits >> 4) + 1; -#ifdef GUNZIP -        if (windowBits < 48) windowBits &= 15; -#endif -    } -    if (windowBits < 8 || windowBits > 15) { -        ZFREE(strm, state); -        strm->state = Z_NULL; -        return Z_STREAM_ERROR; -    } -    state->wbits = (unsigned)windowBits; -    state->window = Z_NULL; -    return inflateReset(strm); -} - -int ZEXPORT inflateInit_(strm, version, stream_size) -z_streamp strm; -const char *version; -int stream_size; -{ -    return inflateInit2_(strm, DEF_WBITS, version, stream_size); -} - -/* -   Return state with length and distance decoding tables and index sizes set to -   fixed code decoding.  Normally this returns fixed tables from inffixed.h. -   If BUILDFIXED is defined, then instead this routine builds the tables the -   first time it's called, and returns those tables the first time and -   thereafter.  This reduces the size of the code by about 2K bytes, in -   exchange for a little execution time.  However, BUILDFIXED should not be -   used for threaded applications, since the rewriting of the tables and virgin -   may not be thread-safe. - */ -local void fixedtables(state) -struct inflate_state FAR *state; -{ -#ifdef BUILDFIXED -    static int virgin = 1; -    static code *lenfix, *distfix; -    static code fixed[544]; - -    /* build fixed huffman tables if first call (may not be thread safe) */ -    if (virgin) { -        unsigned sym, bits; -        static code *next; - -        /* literal/length table */ -        sym = 0; -        while (sym < 144) state->lens[sym++] = 8; -        while (sym < 256) state->lens[sym++] = 9; -        while (sym < 280) state->lens[sym++] = 7; -        while (sym < 288) state->lens[sym++] = 8; -        next = fixed; -        lenfix = next; -        bits = 9; -        inflate_table(LENS, state->lens, 288, &(next), &(bits), state->work); - -        /* distance table */ -        sym = 0; -        while (sym < 32) state->lens[sym++] = 5; -        distfix = next; -        bits = 5; -        inflate_table(DISTS, state->lens, 32, &(next), &(bits), state->work); - -        /* do this just once */ -        virgin = 0; -    } -#else /* !BUILDFIXED */ -#   include "inffixed.h" -#endif /* BUILDFIXED */ -    state->lencode = lenfix; -    state->lenbits = 9; -    state->distcode = distfix; -    state->distbits = 5; -} - -#ifdef MAKEFIXED -#include <stdio.h> - -/* -   Write out the inffixed.h that is #include'd above.  Defining MAKEFIXED also -   defines BUILDFIXED, so the tables are built on the fly.  makefixed() writes -   those tables to stdout, which would be piped to inffixed.h.  A small program -   can simply call makefixed to do this: - -    void makefixed(void); - -    int main(void) -    { -        makefixed(); -        return 0; -    } - -   Then that can be linked with zlib built with MAKEFIXED defined and run: - -    a.out > inffixed.h - */ -void makefixed() -{ -    unsigned low, size; -    struct inflate_state state; - -    fixedtables(&state); -    puts("    /* inffixed.h -- table for decoding fixed codes"); -    puts("     * Generated automatically by makefixed()."); -    puts("     */"); -    puts(""); -    puts("    /* WARNING: this file should *not* be used by applications."); -    puts("       It is part of the implementation of this library and is"); -    puts("       subject to change. Applications should only use zlib.h."); -    puts("     */"); -    puts(""); -    size = 1U << 9; -    printf("    static const code lenfix[%u] = {", size); -    low = 0; -    for (;;) { -        if ((low % 7) == 0) printf("\n        "); -        printf("{%u,%u,%d}", state.lencode[low].op, state.lencode[low].bits, -               state.lencode[low].val); -        if (++low == size) break; -        putchar(','); -    } -    puts("\n    };"); -    size = 1U << 5; -    printf("\n    static const code distfix[%u] = {", size); -    low = 0; -    for (;;) { -        if ((low % 6) == 0) printf("\n        "); -        printf("{%u,%u,%d}", state.distcode[low].op, state.distcode[low].bits, -               state.distcode[low].val); -        if (++low == size) break; -        putchar(','); -    } -    puts("\n    };"); -} -#endif /* MAKEFIXED */ - -/* -   Update the window with the last wsize (normally 32K) bytes written before -   returning.  If window does not exist yet, create it.  This is only called -   when a window is already in use, or when output has been written during this -   inflate call, but the end of the deflate stream has not been reached yet. -   It is also called to create a window for dictionary data when a dictionary -   is loaded. - -   Providing output buffers larger than 32K to inflate() should provide a speed -   advantage, since only the last 32K of output is copied to the sliding window -   upon return from inflate(), and since all distances after the first 32K of -   output will fall in the output data, making match copies simpler and faster. -   The advantage may be dependent on the size of the processor's data caches. - */ -local int updatewindow(strm, out) -z_streamp strm; -unsigned out; -{ -    struct inflate_state FAR *state; -    unsigned copy, dist; - -    state = (struct inflate_state FAR *)strm->state; - -    /* if it hasn't been done already, allocate space for the window */ -    if (state->window == Z_NULL) { -        state->window = (unsigned char FAR *) -                        ZALLOC(strm, 1U << state->wbits, -                               sizeof(unsigned char)); -        if (state->window == Z_NULL) return 1; -    } - -    /* if window not in use yet, initialize */ -    if (state->wsize == 0) { -        state->wsize = 1U << state->wbits; -        state->write = 0; -        state->whave = 0; -    } - -    /* copy state->wsize or less output bytes into the circular window */ -    copy = out - strm->avail_out; -    if (copy >= state->wsize) { -        zmemcpy(state->window, strm->next_out - state->wsize, state->wsize); -        state->write = 0; -        state->whave = state->wsize; -    } -    else { -        dist = state->wsize - state->write; -        if (dist > copy) dist = copy; -        zmemcpy(state->window + state->write, strm->next_out - copy, dist); -        copy -= dist; -        if (copy) { -            zmemcpy(state->window, strm->next_out - copy, copy); -            state->write = copy; -            state->whave = state->wsize; -        } -        else { -            state->write += dist; -            if (state->write == state->wsize) state->write = 0; -            if (state->whave < state->wsize) state->whave += dist; -        } -    } -    return 0; -} - -/* Macros for inflate(): */ - -/* check function to use adler32() for zlib or crc32() for gzip */ -#ifdef GUNZIP -#  define UPDATE(check, buf, len) \ -    (state->flags ? crc32(check, buf, len) : adler32(check, buf, len)) -#else -#  define UPDATE(check, buf, len) adler32(check, buf, len) -#endif - -/* check macros for header crc */ -#ifdef GUNZIP -#  define CRC2(check, word) \ -    do { \ -        hbuf[0] = (unsigned char)(word); \ -        hbuf[1] = (unsigned char)((word) >> 8); \ -        check = crc32(check, hbuf, 2); \ -    } while (0) - -#  define CRC4(check, word) \ -    do { \ -        hbuf[0] = (unsigned char)(word); \ -        hbuf[1] = (unsigned char)((word) >> 8); \ -        hbuf[2] = (unsigned char)((word) >> 16); \ -        hbuf[3] = (unsigned char)((word) >> 24); \ -        check = crc32(check, hbuf, 4); \ -    } while (0) -#endif - -/* Load registers with state in inflate() for speed */ -#define LOAD() \ -    do { \ -        put = strm->next_out; \ -        left = strm->avail_out; \ -        next = strm->next_in; \ -        have = strm->avail_in; \ -        hold = state->hold; \ -        bits = state->bits; \ -    } while (0) - -/* Restore state from registers in inflate() */ -#define RESTORE() \ -    do { \ -        strm->next_out = put; \ -        strm->avail_out = left; \ -        strm->next_in = next; \ -        strm->avail_in = have; \ -        state->hold = hold; \ -        state->bits = bits; \ -    } while (0) - -/* Clear the input bit accumulator */ -#define INITBITS() \ -    do { \ -        hold = 0; \ -        bits = 0; \ -    } while (0) - -/* Get a byte of input into the bit accumulator, or return from inflate() -   if there is no input available. */ -#define PULLBYTE() \ -    do { \ -        if (have == 0) goto inf_leave; \ -        have--; \ -        hold += (unsigned long)(*next++) << bits; \ -        bits += 8; \ -    } while (0) - -/* Assure that there are at least n bits in the bit accumulator.  If there is -   not enough available input to do that, then return from inflate(). */ -#define NEEDBITS(n) \ -    do { \ -        while (bits < (unsigned)(n)) \ -            PULLBYTE(); \ -    } while (0) - -/* Return the low n bits of the bit accumulator (n < 16) */ -#define BITS(n) \ -    ((unsigned)hold & ((1U << (n)) - 1)) - -/* Remove n bits from the bit accumulator */ -#define DROPBITS(n) \ -    do { \ -        hold >>= (n); \ -        bits -= (unsigned)(n); \ -    } while (0) - -/* Remove zero to seven bits as needed to go to a byte boundary */ -#define BYTEBITS() \ -    do { \ -        hold >>= bits & 7; \ -        bits -= bits & 7; \ -    } while (0) - -/* Reverse the bytes in a 32-bit value */ -#define REVERSE(q) \ -    ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \ -     (((q) & 0xff00) << 8) + (((q) & 0xff) << 24)) - -/* -   inflate() uses a state machine to process as much input data and generate as -   much output data as possible before returning.  The state machine is -   structured roughly as follows: - -    for (;;) switch (state) { -    ... -    case STATEn: -        if (not enough input data or output space to make progress) -            return; -        ... make progress ... -        state = STATEm; -        break; -    ... -    } - -   so when inflate() is called again, the same case is attempted again, and -   if the appropriate resources are provided, the machine proceeds to the -   next state.  The NEEDBITS() macro is usually the way the state evaluates -   whether it can proceed or should return.  NEEDBITS() does the return if -   the requested bits are not available.  The typical use of the BITS macros -   is: - -        NEEDBITS(n); -        ... do something with BITS(n) ... -        DROPBITS(n); - -   where NEEDBITS(n) either returns from inflate() if there isn't enough -   input left to load n bits into the accumulator, or it continues.  BITS(n) -   gives the low n bits in the accumulator.  When done, DROPBITS(n) drops -   the low n bits off the accumulator.  INITBITS() clears the accumulator -   and sets the number of available bits to zero.  BYTEBITS() discards just -   enough bits to put the accumulator on a byte boundary.  After BYTEBITS() -   and a NEEDBITS(8), then BITS(8) would return the next byte in the stream. - -   NEEDBITS(n) uses PULLBYTE() to get an available byte of input, or to return -   if there is no input available.  The decoding of variable length codes uses -   PULLBYTE() directly in order to pull just enough bytes to decode the next -   code, and no more. - -   Some states loop until they get enough input, making sure that enough -   state information is maintained to continue the loop where it left off -   if NEEDBITS() returns in the loop.  For example, want, need, and keep -   would all have to actually be part of the saved state in case NEEDBITS() -   returns: - -    case STATEw: -        while (want < need) { -            NEEDBITS(n); -            keep[want++] = BITS(n); -            DROPBITS(n); -        } -        state = STATEx; -    case STATEx: - -   As shown above, if the next state is also the next case, then the break -   is omitted. - -   A state may also return if there is not enough output space available to -   complete that state.  Those states are copying stored data, writing a -   literal byte, and copying a matching string. - -   When returning, a "goto inf_leave" is used to update the total counters, -   update the check value, and determine whether any progress has been made -   during that inflate() call in order to return the proper return code. -   Progress is defined as a change in either strm->avail_in or strm->avail_out. -   When there is a window, goto inf_leave will update the window with the last -   output written.  If a goto inf_leave occurs in the middle of decompression -   and there is no window currently, goto inf_leave will create one and copy -   output to the window for the next call of inflate(). - -   In this implementation, the flush parameter of inflate() only affects the -   return code (per zlib.h).  inflate() always writes as much as possible to -   strm->next_out, given the space available and the provided input--the effect -   documented in zlib.h of Z_SYNC_FLUSH.  Furthermore, inflate() always defers -   the allocation of and copying into a sliding window until necessary, which -   provides the effect documented in zlib.h for Z_FINISH when the entire input -   stream available.  So the only thing the flush parameter actually does is: -   when flush is set to Z_FINISH, inflate() cannot return Z_OK.  Instead it -   will return Z_BUF_ERROR if it has not reached the end of the stream. - */ - -int ZEXPORT inflate(strm, flush) -z_streamp strm; -int flush; -{ -    struct inflate_state FAR *state; -    unsigned char FAR *next;    /* next input */ -    unsigned char FAR *put;     /* next output */ -    unsigned have, left;        /* available input and output */ -    unsigned long hold;         /* bit buffer */ -    unsigned bits;              /* bits in bit buffer */ -    unsigned in, out;           /* save starting available input and output */ -    unsigned copy;              /* number of stored or match bytes to copy */ -    unsigned char FAR *from;    /* where to copy match bytes from */ -    code this;                  /* current decoding table entry */ -    code last;                  /* parent table entry */ -    unsigned len;               /* length to copy for repeats, bits to drop */ -    int ret;                    /* return code */ -#ifdef GUNZIP -    unsigned char hbuf[4];      /* buffer for gzip header crc calculation */ -#endif -    static const unsigned short order[19] = /* permutation of code lengths */ -        {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15}; - -    if (strm == Z_NULL || strm->state == Z_NULL || strm->next_out == Z_NULL || -        (strm->next_in == Z_NULL && strm->avail_in != 0)) -        return Z_STREAM_ERROR; - -    state = (struct inflate_state FAR *)strm->state; -    if (state->mode == TYPE) state->mode = TYPEDO;      /* skip check */ -    LOAD(); -    in = have; -    out = left; -    ret = Z_OK; -    for (;;) -        switch (state->mode) { -        case HEAD: -            if (state->wrap == 0) { -                state->mode = TYPEDO; -                break; -            } -            NEEDBITS(16); -#ifdef GUNZIP -            if ((state->wrap & 2) && hold == 0x8b1f) {  /* gzip header */ -                state->check = crc32(0L, Z_NULL, 0); -                CRC2(state->check, hold); -                INITBITS(); -                state->mode = FLAGS; -                break; -            } -            state->flags = 0;           /* expect zlib header */ -            if (state->head != Z_NULL) -                state->head->done = -1; -            if (!(state->wrap & 1) ||   /* check if zlib header allowed */ -#else -            if ( -#endif -                ((BITS(8) << 8) + (hold >> 8)) % 31) { -                strm->msg = (char *)"incorrect header check"; -                state->mode = BAD; -                break; -            } -            if (BITS(4) != Z_DEFLATED) { -                strm->msg = (char *)"unknown compression method"; -                state->mode = BAD; -                break; -            } -            DROPBITS(4); -            len = BITS(4) + 8; -            if (len > state->wbits) { -                strm->msg = (char *)"invalid window size"; -                state->mode = BAD; -                break; -            } -            state->dmax = 1U << len; -            Tracev((stderr, "inflate:   zlib header ok\n")); -            strm->adler = state->check = adler32(0L, Z_NULL, 0); -            state->mode = hold & 0x200 ? DICTID : TYPE; -            INITBITS(); -            break; -#ifdef GUNZIP -        case FLAGS: -            NEEDBITS(16); -            state->flags = (int)(hold); -            if ((state->flags & 0xff) != Z_DEFLATED) { -                strm->msg = (char *)"unknown compression method"; -                state->mode = BAD; -                break; -            } -            if (state->flags & 0xe000) { -                strm->msg = (char *)"unknown header flags set"; -                state->mode = BAD; -                break; -            } -            if (state->head != Z_NULL) -                state->head->text = (int)((hold >> 8) & 1); -            if (state->flags & 0x0200) CRC2(state->check, hold); -            INITBITS(); -            state->mode = TIME; -        case TIME: -            NEEDBITS(32); -            if (state->head != Z_NULL) -                state->head->time = hold; -            if (state->flags & 0x0200) CRC4(state->check, hold); -            INITBITS(); -            state->mode = OS; -        case OS: -            NEEDBITS(16); -            if (state->head != Z_NULL) { -                state->head->xflags = (int)(hold & 0xff); -                state->head->os = (int)(hold >> 8); -            } -            if (state->flags & 0x0200) CRC2(state->check, hold); -            INITBITS(); -            state->mode = EXLEN; -        case EXLEN: -            if (state->flags & 0x0400) { -                NEEDBITS(16); -                state->length = (unsigned)(hold); -                if (state->head != Z_NULL) -                    state->head->extra_len = (unsigned)hold; -                if (state->flags & 0x0200) CRC2(state->check, hold); -                INITBITS(); -            } -            else if (state->head != Z_NULL) -                state->head->extra = Z_NULL; -            state->mode = EXTRA; -        case EXTRA: -            if (state->flags & 0x0400) { -                copy = state->length; -                if (copy > have) copy = have; -                if (copy) { -                    if (state->head != Z_NULL && -                        state->head->extra != Z_NULL) { -                        len = state->head->extra_len - state->length; -                        zmemcpy(state->head->extra + len, next, -                                len + copy > state->head->extra_max ? -                                state->head->extra_max - len : copy); -                    } -                    if (state->flags & 0x0200) -                        state->check = crc32(state->check, next, copy); -                    have -= copy; -                    next += copy; -                    state->length -= copy; -                } -                if (state->length) goto inf_leave; -            } -            state->length = 0; -            state->mode = NAME; -        case NAME: -            if (state->flags & 0x0800) { -                if (have == 0) goto inf_leave; -                copy = 0; -                do { -                    len = (unsigned)(next[copy++]); -                    if (state->head != Z_NULL && -                            state->head->name != Z_NULL && -                            state->length < state->head->name_max) -                        state->head->name[state->length++] = len; -                } while (len && copy < have); -                if (state->flags & 0x0200) -                    state->check = crc32(state->check, next, copy); -                have -= copy; -                next += copy; -                if (len) goto inf_leave; -            } -            else if (state->head != Z_NULL) -                state->head->name = Z_NULL; -            state->length = 0; -            state->mode = COMMENT; -        case COMMENT: -            if (state->flags & 0x1000) { -                if (have == 0) goto inf_leave; -                copy = 0; -                do { -                    len = (unsigned)(next[copy++]); -                    if (state->head != Z_NULL && -                            state->head->comment != Z_NULL && -                            state->length < state->head->comm_max) -                        state->head->comment[state->length++] = len; -                } while (len && copy < have); -                if (state->flags & 0x0200) -                    state->check = crc32(state->check, next, copy); -                have -= copy; -                next += copy; -                if (len) goto inf_leave; -            } -            else if (state->head != Z_NULL) -                state->head->comment = Z_NULL; -            state->mode = HCRC; -        case HCRC: -            if (state->flags & 0x0200) { -                NEEDBITS(16); -                if (hold != (state->check & 0xffff)) { -                    strm->msg = (char *)"header crc mismatch"; -                    state->mode = BAD; -                    break; -                } -                INITBITS(); -            } -            if (state->head != Z_NULL) { -                state->head->hcrc = (int)((state->flags >> 9) & 1); -                state->head->done = 1; -            } -            strm->adler = state->check = crc32(0L, Z_NULL, 0); -            state->mode = TYPE; -            break; -#endif -        case DICTID: -            NEEDBITS(32); -            strm->adler = state->check = REVERSE(hold); -            INITBITS(); -            state->mode = DICT; -        case DICT: -            if (state->havedict == 0) { -                RESTORE(); -                return Z_NEED_DICT; -            } -            strm->adler = state->check = adler32(0L, Z_NULL, 0); -            state->mode = TYPE; -        case TYPE: -            if (flush == Z_BLOCK) goto inf_leave; -        case TYPEDO: -            if (state->last) { -                BYTEBITS(); -                state->mode = CHECK; -                break; -            } -            NEEDBITS(3); -            state->last = BITS(1); -            DROPBITS(1); -            switch (BITS(2)) { -            case 0:                             /* stored block */ -                Tracev((stderr, "inflate:     stored block%s\n", -                        state->last ? " (last)" : "")); -                state->mode = STORED; -                break; -            case 1:                             /* fixed block */ -                fixedtables(state); -                Tracev((stderr, "inflate:     fixed codes block%s\n", -                        state->last ? " (last)" : "")); -                state->mode = LEN;              /* decode codes */ -                break; -            case 2:                             /* dynamic block */ -                Tracev((stderr, "inflate:     dynamic codes block%s\n", -                        state->last ? " (last)" : "")); -                state->mode = TABLE; -                break; -            case 3: -                strm->msg = (char *)"invalid block type"; -                state->mode = BAD; -            } -            DROPBITS(2); -            break; -        case STORED: -            BYTEBITS();                         /* go to byte boundary */ -            NEEDBITS(32); -            if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) { -                strm->msg = (char *)"invalid stored block lengths"; -                state->mode = BAD; -                break; -            } -            state->length = (unsigned)hold & 0xffff; -            Tracev((stderr, "inflate:       stored length %u\n", -                    state->length)); -            INITBITS(); -            state->mode = COPY; -        case COPY: -            copy = state->length; -            if (copy) { -                if (copy > have) copy = have; -                if (copy > left) copy = left; -                if (copy == 0) goto inf_leave; -                zmemcpy(put, next, copy); -                have -= copy; -                next += copy; -                left -= copy; -                put += copy; -                state->length -= copy; -                break; -            } -            Tracev((stderr, "inflate:       stored end\n")); -            state->mode = TYPE; -            break; -        case TABLE: -            NEEDBITS(14); -            state->nlen = BITS(5) + 257; -            DROPBITS(5); -            state->ndist = BITS(5) + 1; -            DROPBITS(5); -            state->ncode = BITS(4) + 4; -            DROPBITS(4); -#ifndef PKZIP_BUG_WORKAROUND -            if (state->nlen > 286 || state->ndist > 30) { -                strm->msg = (char *)"too many length or distance symbols"; -                state->mode = BAD; -                break; -            } -#endif -            Tracev((stderr, "inflate:       table sizes ok\n")); -            state->have = 0; -            state->mode = LENLENS; -        case LENLENS: -            while (state->have < state->ncode) { -                NEEDBITS(3); -                state->lens[order[state->have++]] = (unsigned short)BITS(3); -                DROPBITS(3); -            } -            while (state->have < 19) -                state->lens[order[state->have++]] = 0; -            state->next = state->codes; -            state->lencode = (code const FAR *)(state->next); -            state->lenbits = 7; -            ret = inflate_table(CODES, state->lens, 19, &(state->next), -                                &(state->lenbits), state->work); -            if (ret) { -                strm->msg = (char *)"invalid code lengths set"; -                state->mode = BAD; -                break; -            } -            Tracev((stderr, "inflate:       code lengths ok\n")); -            state->have = 0; -            state->mode = CODELENS; -        case CODELENS: -            while (state->have < state->nlen + state->ndist) { -                for (;;) { -                    this = state->lencode[BITS(state->lenbits)]; -                    if ((unsigned)(this.bits) <= bits) break; -                    PULLBYTE(); -                } -                if (this.val < 16) { -                    NEEDBITS(this.bits); -                    DROPBITS(this.bits); -                    state->lens[state->have++] = this.val; -                } -                else { -                    if (this.val == 16) { -                        NEEDBITS(this.bits + 2); -                        DROPBITS(this.bits); -                        if (state->have == 0) { -                            strm->msg = (char *)"invalid bit length repeat"; -                            state->mode = BAD; -                            break; -                        } -                        len = state->lens[state->have - 1]; -                        copy = 3 + BITS(2); -                        DROPBITS(2); -                    } -                    else if (this.val == 17) { -                        NEEDBITS(this.bits + 3); -                        DROPBITS(this.bits); -                        len = 0; -                        copy = 3 + BITS(3); -                        DROPBITS(3); -                    } -                    else { -                        NEEDBITS(this.bits + 7); -                        DROPBITS(this.bits); -                        len = 0; -                        copy = 11 + BITS(7); -                        DROPBITS(7); -                    } -                    if (state->have + copy > state->nlen + state->ndist) { -                        strm->msg = (char *)"invalid bit length repeat"; -                        state->mode = BAD; -                        break; -                    } -                    while (copy--) -                        state->lens[state->have++] = (unsigned short)len; -                } -            } - -            /* handle error breaks in while */ -            if (state->mode == BAD) break; - -            /* build code tables */ -            state->next = state->codes; -            state->lencode = (code const FAR *)(state->next); -            state->lenbits = 9; -            ret = inflate_table(LENS, state->lens, state->nlen, &(state->next), -                                &(state->lenbits), state->work); -            if (ret) { -                strm->msg = (char *)"invalid literal/lengths set"; -                state->mode = BAD; -                break; -            } -            state->distcode = (code const FAR *)(state->next); -            state->distbits = 6; -            ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist, -                            &(state->next), &(state->distbits), state->work); -            if (ret) { -                strm->msg = (char *)"invalid distances set"; -                state->mode = BAD; -                break; -            } -            Tracev((stderr, "inflate:       codes ok\n")); -            state->mode = LEN; -        case LEN: -            if (have >= 6 && left >= 258) { -                RESTORE(); -                inflate_fast(strm, out); -                LOAD(); -                break; -            } -            for (;;) { -                this = state->lencode[BITS(state->lenbits)]; -                if ((unsigned)(this.bits) <= bits) break; -                PULLBYTE(); -            } -            if (this.op && (this.op & 0xf0) == 0) { -                last = this; -                for (;;) { -                    this = state->lencode[last.val + -                            (BITS(last.bits + last.op) >> last.bits)]; -                    if ((unsigned)(last.bits + this.bits) <= bits) break; -                    PULLBYTE(); -                } -                DROPBITS(last.bits); -            } -            DROPBITS(this.bits); -            state->length = (unsigned)this.val; -            if ((int)(this.op) == 0) { -                Tracevv((stderr, this.val >= 0x20 && this.val < 0x7f ? -                        "inflate:         literal '%c'\n" : -                        "inflate:         literal 0x%02x\n", this.val)); -                state->mode = LIT; -                break; -            } -            if (this.op & 32) { -                Tracevv((stderr, "inflate:         end of block\n")); -                state->mode = TYPE; -                break; -            } -            if (this.op & 64) { -                strm->msg = (char *)"invalid literal/length code"; -                state->mode = BAD; -                break; -            } -            state->extra = (unsigned)(this.op) & 15; -            state->mode = LENEXT; -        case LENEXT: -            if (state->extra) { -                NEEDBITS(state->extra); -                state->length += BITS(state->extra); -                DROPBITS(state->extra); -            } -            Tracevv((stderr, "inflate:         length %u\n", state->length)); -            state->mode = DIST; -        case DIST: -            for (;;) { -                this = state->distcode[BITS(state->distbits)]; -                if ((unsigned)(this.bits) <= bits) break; -                PULLBYTE(); -            } -            if ((this.op & 0xf0) == 0) { -                last = this; -                for (;;) { -                    this = state->distcode[last.val + -                            (BITS(last.bits + last.op) >> last.bits)]; -                    if ((unsigned)(last.bits + this.bits) <= bits) break; -                    PULLBYTE(); -                } -                DROPBITS(last.bits); -            } -            DROPBITS(this.bits); -            if (this.op & 64) { -                strm->msg = (char *)"invalid distance code"; -                state->mode = BAD; -                break; -            } -            state->offset = (unsigned)this.val; -            state->extra = (unsigned)(this.op) & 15; -            state->mode = DISTEXT; -        case DISTEXT: -            if (state->extra) { -                NEEDBITS(state->extra); -                state->offset += BITS(state->extra); -                DROPBITS(state->extra); -            } -#ifdef INFLATE_STRICT -            if (state->offset > state->dmax) { -                strm->msg = (char *)"invalid distance too far back"; -                state->mode = BAD; -                break; -            } -#endif -            if (state->offset > state->whave + out - left) { -                strm->msg = (char *)"invalid distance too far back"; -                state->mode = BAD; -                break; -            } -            Tracevv((stderr, "inflate:         distance %u\n", state->offset)); -            state->mode = MATCH; -        case MATCH: -            if (left == 0) goto inf_leave; -            copy = out - left; -            if (state->offset > copy) {         /* copy from window */ -                copy = state->offset - copy; -                if (copy > state->write) { -                    copy -= state->write; -                    from = state->window + (state->wsize - copy); -                } -                else -                    from = state->window + (state->write - copy); -                if (copy > state->length) copy = state->length; -            } -            else {                              /* copy from output */ -                from = put - state->offset; -                copy = state->length; -            } -            if (copy > left) copy = left; -            left -= copy; -            state->length -= copy; -            do { -                *put++ = *from++; -            } while (--copy); -            if (state->length == 0) state->mode = LEN; -            break; -        case LIT: -            if (left == 0) goto inf_leave; -            *put++ = (unsigned char)(state->length); -            left--; -            state->mode = LEN; -            break; -        case CHECK: -            if (state->wrap) { -                NEEDBITS(32); -                out -= left; -                strm->total_out += out; -                state->total += out; -                if (out) -                    strm->adler = state->check = -                        UPDATE(state->check, put - out, out); -                out = left; -                if (( -#ifdef GUNZIP -                     state->flags ? hold : -#endif -                     REVERSE(hold)) != state->check) { -                    strm->msg = (char *)"incorrect data check"; -                    state->mode = BAD; -                    break; -                } -                INITBITS(); -                Tracev((stderr, "inflate:   check matches trailer\n")); -            } -#ifdef GUNZIP -            state->mode = LENGTH; -        case LENGTH: -            if (state->wrap && state->flags) { -                NEEDBITS(32); -                if (hold != (state->total & 0xffffffffUL)) { -                    strm->msg = (char *)"incorrect length check"; -                    state->mode = BAD; -                    break; -                } -                INITBITS(); -                Tracev((stderr, "inflate:   length matches trailer\n")); -            } -#endif -            state->mode = DONE; -        case DONE: -            ret = Z_STREAM_END; -            goto inf_leave; -        case BAD: -            ret = Z_DATA_ERROR; -            goto inf_leave; -        case MEM: -            return Z_MEM_ERROR; -        case SYNC: -        default: -            return Z_STREAM_ERROR; -        } - -    /* -       Return from inflate(), updating the total counts and the check value. -       If there was no progress during the inflate() call, return a buffer -       error.  Call updatewindow() to create and/or update the window state. -       Note: a memory error from inflate() is non-recoverable. -     */ -  inf_leave: -    RESTORE(); -    if (state->wsize || (state->mode < CHECK && out != strm->avail_out)) -        if (updatewindow(strm, out)) { -            state->mode = MEM; -            return Z_MEM_ERROR; -        } -    in -= strm->avail_in; -    out -= strm->avail_out; -    strm->total_in += in; -    strm->total_out += out; -    state->total += out; -    if (state->wrap && out) -        strm->adler = state->check = -            UPDATE(state->check, strm->next_out - out, out); -    strm->data_type = state->bits + (state->last ? 64 : 0) + -                      (state->mode == TYPE ? 128 : 0); -    if (((in == 0 && out == 0) || flush == Z_FINISH) && ret == Z_OK) -        ret = Z_BUF_ERROR; -    return ret; -} - -int ZEXPORT inflateEnd(strm) -z_streamp strm; -{ -    struct inflate_state FAR *state; -    if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0) -        return Z_STREAM_ERROR; -    state = (struct inflate_state FAR *)strm->state; -    if (state->window != Z_NULL) ZFREE(strm, state->window); -    ZFREE(strm, strm->state); -    strm->state = Z_NULL; -    Tracev((stderr, "inflate: end\n")); -    return Z_OK; -} - -int ZEXPORT inflateSetDictionary(strm, dictionary, dictLength) -z_streamp strm; -const Bytef *dictionary; -uInt dictLength; -{ -    struct inflate_state FAR *state; -    unsigned long id; - -    /* check state */ -    if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; -    state = (struct inflate_state FAR *)strm->state; -    if (state->wrap != 0 && state->mode != DICT) -        return Z_STREAM_ERROR; - -    /* check for correct dictionary id */ -    if (state->mode == DICT) { -        id = adler32(0L, Z_NULL, 0); -        id = adler32(id, dictionary, dictLength); -        if (id != state->check) -            return Z_DATA_ERROR; -    } - -    /* copy dictionary to window */ -    if (updatewindow(strm, strm->avail_out)) { -        state->mode = MEM; -        return Z_MEM_ERROR; -    } -    if (dictLength > state->wsize) { -        zmemcpy(state->window, dictionary + dictLength - state->wsize, -                state->wsize); -        state->whave = state->wsize; -    } -    else { -        zmemcpy(state->window + state->wsize - dictLength, dictionary, -                dictLength); -        state->whave = dictLength; -    } -    state->havedict = 1; -    Tracev((stderr, "inflate:   dictionary set\n")); -    return Z_OK; -} - -int ZEXPORT inflateGetHeader(strm, head) -z_streamp strm; -gz_headerp head; -{ -    struct inflate_state FAR *state; - -    /* check state */ -    if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; -    state = (struct inflate_state FAR *)strm->state; -    if ((state->wrap & 2) == 0) return Z_STREAM_ERROR; - -    /* save header structure */ -    state->head = head; -    head->done = 0; -    return Z_OK; -} - -/* -   Search buf[0..len-1] for the pattern: 0, 0, 0xff, 0xff.  Return when found -   or when out of input.  When called, *have is the number of pattern bytes -   found in order so far, in 0..3.  On return *have is updated to the new -   state.  If on return *have equals four, then the pattern was found and the -   return value is how many bytes were read including the last byte of the -   pattern.  If *have is less than four, then the pattern has not been found -   yet and the return value is len.  In the latter case, syncsearch() can be -   called again with more data and the *have state.  *have is initialized to -   zero for the first call. - */ -local unsigned syncsearch(have, buf, len) -unsigned FAR *have; -unsigned char FAR *buf; -unsigned len; -{ -    unsigned got; -    unsigned next; - -    got = *have; -    next = 0; -    while (next < len && got < 4) { -        if ((int)(buf[next]) == (got < 2 ? 0 : 0xff)) -            got++; -        else if (buf[next]) -            got = 0; -        else -            got = 4 - got; -        next++; -    } -    *have = got; -    return next; -} - -int ZEXPORT inflateSync(strm) -z_streamp strm; -{ -    unsigned len;               /* number of bytes to look at or looked at */ -    unsigned long in, out;      /* temporary to save total_in and total_out */ -    unsigned char buf[4];       /* to restore bit buffer to byte string */ -    struct inflate_state FAR *state; - -    /* check parameters */ -    if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; -    state = (struct inflate_state FAR *)strm->state; -    if (strm->avail_in == 0 && state->bits < 8) return Z_BUF_ERROR; - -    /* if first time, start search in bit buffer */ -    if (state->mode != SYNC) { -        state->mode = SYNC; -        state->hold <<= state->bits & 7; -        state->bits -= state->bits & 7; -        len = 0; -        while (state->bits >= 8) { -            buf[len++] = (unsigned char)(state->hold); -            state->hold >>= 8; -            state->bits -= 8; -        } -        state->have = 0; -        syncsearch(&(state->have), buf, len); -    } - -    /* search available input */ -    len = syncsearch(&(state->have), strm->next_in, strm->avail_in); -    strm->avail_in -= len; -    strm->next_in += len; -    strm->total_in += len; - -    /* return no joy or set up to restart inflate() on a new block */ -    if (state->have != 4) return Z_DATA_ERROR; -    in = strm->total_in;  out = strm->total_out; -    inflateReset(strm); -    strm->total_in = in;  strm->total_out = out; -    state->mode = TYPE; -    return Z_OK; -} - -/* -   Returns true if inflate is currently at the end of a block generated by -   Z_SYNC_FLUSH or Z_FULL_FLUSH. This function is used by one PPP -   implementation to provide an additional safety check. PPP uses -   Z_SYNC_FLUSH but removes the length bytes of the resulting empty stored -   block. When decompressing, PPP checks that at the end of input packet, -   inflate is waiting for these length bytes. - */ -int ZEXPORT inflateSyncPoint(strm) -z_streamp strm; -{ -    struct inflate_state FAR *state; - -    if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR; -    state = (struct inflate_state FAR *)strm->state; -    return state->mode == STORED && state->bits == 0; -} - -int ZEXPORT inflateCopy(dest, source) -z_streamp dest; -z_streamp source; -{ -    struct inflate_state FAR *state; -    struct inflate_state FAR *copy; -    unsigned char FAR *window; -    unsigned wsize; - -    /* check input */ -    if (dest == Z_NULL || source == Z_NULL || source->state == Z_NULL || -        source->zalloc == (alloc_func)0 || source->zfree == (free_func)0) -        return Z_STREAM_ERROR; -    state = (struct inflate_state FAR *)source->state; - -    /* allocate space */ -    copy = (struct inflate_state FAR *) -           ZALLOC(source, 1, sizeof(struct inflate_state)); -    if (copy == Z_NULL) return Z_MEM_ERROR; -    window = Z_NULL; -    if (state->window != Z_NULL) { -        window = (unsigned char FAR *) -                 ZALLOC(source, 1U << state->wbits, sizeof(unsigned char)); -        if (window == Z_NULL) { -            ZFREE(source, copy); -            return Z_MEM_ERROR; -        } -    } - -    /* copy state */ -    zmemcpy(dest, source, sizeof(z_stream)); -    zmemcpy(copy, state, sizeof(struct inflate_state)); -    if (state->lencode >= state->codes && -        state->lencode <= state->codes + ENOUGH - 1) { -        copy->lencode = copy->codes + (state->lencode - state->codes); -        copy->distcode = copy->codes + (state->distcode - state->codes); -    } -    copy->next = copy->codes + (state->next - state->codes); -    if (window != Z_NULL) { -        wsize = 1U << state->wbits; -        zmemcpy(window, state->window, wsize); -    } -    copy->window = window; -    dest->state = (struct internal_state FAR *)copy; -    return Z_OK; -} diff --git a/3rdParty/ZLib/src/inflate.h b/3rdParty/ZLib/src/inflate.h deleted file mode 100644 index 07bd3e7..0000000 --- a/3rdParty/ZLib/src/inflate.h +++ /dev/null @@ -1,115 +0,0 @@ -/* inflate.h -- internal inflate state definition - * Copyright (C) 1995-2004 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* WARNING: this file should *not* be used by applications. It is -   part of the implementation of the compression library and is -   subject to change. Applications should only use zlib.h. - */ - -/* define NO_GZIP when compiling if you want to disable gzip header and -   trailer decoding by inflate().  NO_GZIP would be used to avoid linking in -   the crc code when it is not needed.  For shared libraries, gzip decoding -   should be left enabled. */ -#ifndef NO_GZIP -#  define GUNZIP -#endif - -/* Possible inflate modes between inflate() calls */ -typedef enum { -    HEAD,       /* i: waiting for magic header */ -    FLAGS,      /* i: waiting for method and flags (gzip) */ -    TIME,       /* i: waiting for modification time (gzip) */ -    OS,         /* i: waiting for extra flags and operating system (gzip) */ -    EXLEN,      /* i: waiting for extra length (gzip) */ -    EXTRA,      /* i: waiting for extra bytes (gzip) */ -    NAME,       /* i: waiting for end of file name (gzip) */ -    COMMENT,    /* i: waiting for end of comment (gzip) */ -    HCRC,       /* i: waiting for header crc (gzip) */ -    DICTID,     /* i: waiting for dictionary check value */ -    DICT,       /* waiting for inflateSetDictionary() call */ -        TYPE,       /* i: waiting for type bits, including last-flag bit */ -        TYPEDO,     /* i: same, but skip check to exit inflate on new block */ -        STORED,     /* i: waiting for stored size (length and complement) */ -        COPY,       /* i/o: waiting for input or output to copy stored block */ -        TABLE,      /* i: waiting for dynamic block table lengths */ -        LENLENS,    /* i: waiting for code length code lengths */ -        CODELENS,   /* i: waiting for length/lit and distance code lengths */ -            LEN,        /* i: waiting for length/lit code */ -            LENEXT,     /* i: waiting for length extra bits */ -            DIST,       /* i: waiting for distance code */ -            DISTEXT,    /* i: waiting for distance extra bits */ -            MATCH,      /* o: waiting for output space to copy string */ -            LIT,        /* o: waiting for output space to write literal */ -    CHECK,      /* i: waiting for 32-bit check value */ -    LENGTH,     /* i: waiting for 32-bit length (gzip) */ -    DONE,       /* finished check, done -- remain here until reset */ -    BAD,        /* got a data error -- remain here until reset */ -    MEM,        /* got an inflate() memory error -- remain here until reset */ -    SYNC        /* looking for synchronization bytes to restart inflate() */ -} inflate_mode; - -/* -    State transitions between above modes - - -    (most modes can go to the BAD or MEM mode -- not shown for clarity) - -    Process header: -        HEAD -> (gzip) or (zlib) -        (gzip) -> FLAGS -> TIME -> OS -> EXLEN -> EXTRA -> NAME -        NAME -> COMMENT -> HCRC -> TYPE -        (zlib) -> DICTID or TYPE -        DICTID -> DICT -> TYPE -    Read deflate blocks: -            TYPE -> STORED or TABLE or LEN or CHECK -            STORED -> COPY -> TYPE -            TABLE -> LENLENS -> CODELENS -> LEN -    Read deflate codes: -                LEN -> LENEXT or LIT or TYPE -                LENEXT -> DIST -> DISTEXT -> MATCH -> LEN -                LIT -> LEN -    Process trailer: -        CHECK -> LENGTH -> DONE - */ - -/* state maintained between inflate() calls.  Approximately 7K bytes. */ -struct inflate_state { -    inflate_mode mode;          /* current inflate mode */ -    int last;                   /* true if processing last block */ -    int wrap;                   /* bit 0 true for zlib, bit 1 true for gzip */ -    int havedict;               /* true if dictionary provided */ -    int flags;                  /* gzip header method and flags (0 if zlib) */ -    unsigned dmax;              /* zlib header max distance (INFLATE_STRICT) */ -    unsigned long check;        /* protected copy of check value */ -    unsigned long total;        /* protected copy of output count */ -    gz_headerp head;            /* where to save gzip header information */ -        /* sliding window */ -    unsigned wbits;             /* log base 2 of requested window size */ -    unsigned wsize;             /* window size or zero if not using window */ -    unsigned whave;             /* valid bytes in the window */ -    unsigned write;             /* window write index */ -    unsigned char FAR *window;  /* allocated sliding window, if needed */ -        /* bit accumulator */ -    unsigned long hold;         /* input bit accumulator */ -    unsigned bits;              /* number of bits in "in" */ -        /* for string and stored block copying */ -    unsigned length;            /* literal or length of data to copy */ -    unsigned offset;            /* distance back to copy string from */ -        /* for table and code decoding */ -    unsigned extra;             /* extra bits needed */ -        /* fixed and dynamic code tables */ -    code const FAR *lencode;    /* starting table for length/literal codes */ -    code const FAR *distcode;   /* starting table for distance codes */ -    unsigned lenbits;           /* index bits for lencode */ -    unsigned distbits;          /* index bits for distcode */ -        /* dynamic table building */ -    unsigned ncode;             /* number of code length code lengths */ -    unsigned nlen;              /* number of length code lengths */ -    unsigned ndist;             /* number of distance code lengths */ -    unsigned have;              /* number of code lengths in lens[] */ -    code FAR *next;             /* next available space in codes[] */ -    unsigned short lens[320];   /* temporary storage for code lengths */ -    unsigned short work[288];   /* work area for code table building */ -    code codes[ENOUGH];         /* space for code tables */ -}; diff --git a/3rdParty/ZLib/src/inftrees.c b/3rdParty/ZLib/src/inftrees.c deleted file mode 100644 index 8a9c13f..0000000 --- a/3rdParty/ZLib/src/inftrees.c +++ /dev/null @@ -1,329 +0,0 @@ -/* inftrees.c -- generate Huffman trees for efficient decoding - * Copyright (C) 1995-2005 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -#include "zutil.h" -#include "inftrees.h" - -#define MAXBITS 15 - -const char inflate_copyright[] = -   " inflate 1.2.3 Copyright 1995-2005 Mark Adler "; -/* -  If you use the zlib library in a product, an acknowledgment is welcome -  in the documentation of your product. If for some reason you cannot -  include such an acknowledgment, I would appreciate that you keep this -  copyright string in the executable of your product. - */ - -/* -   Build a set of tables to decode the provided canonical Huffman code. -   The code lengths are lens[0..codes-1].  The result starts at *table, -   whose indices are 0..2^bits-1.  work is a writable array of at least -   lens shorts, which is used as a work area.  type is the type of code -   to be generated, CODES, LENS, or DISTS.  On return, zero is success, -   -1 is an invalid code, and +1 means that ENOUGH isn't enough.  table -   on return points to the next available entry's address.  bits is the -   requested root table index bits, and on return it is the actual root -   table index bits.  It will differ if the request is greater than the -   longest code or if it is less than the shortest code. - */ -int inflate_table(type, lens, codes, table, bits, work) -codetype type; -unsigned short FAR *lens; -unsigned codes; -code FAR * FAR *table; -unsigned FAR *bits; -unsigned short FAR *work; -{ -    unsigned len;               /* a code's length in bits */ -    unsigned sym;               /* index of code symbols */ -    unsigned min, max;          /* minimum and maximum code lengths */ -    unsigned root;              /* number of index bits for root table */ -    unsigned curr;              /* number of index bits for current table */ -    unsigned drop;              /* code bits to drop for sub-table */ -    int left;                   /* number of prefix codes available */ -    unsigned used;              /* code entries in table used */ -    unsigned huff;              /* Huffman code */ -    unsigned incr;              /* for incrementing code, index */ -    unsigned fill;              /* index for replicating entries */ -    unsigned low;               /* low bits for current root entry */ -    unsigned mask;              /* mask for low root bits */ -    code this;                  /* table entry for duplication */ -    code FAR *next;             /* next available space in table */ -    const unsigned short FAR *base;     /* base value table to use */ -    const unsigned short FAR *extra;    /* extra bits table to use */ -    int end;                    /* use base and extra for symbol > end */ -    unsigned short count[MAXBITS+1];    /* number of codes of each length */ -    unsigned short offs[MAXBITS+1];     /* offsets in table for each length */ -    static const unsigned short lbase[31] = { /* Length codes 257..285 base */ -        3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, -        35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0}; -    static const unsigned short lext[31] = { /* Length codes 257..285 extra */ -        16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, -        19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 201, 196}; -    static const unsigned short dbase[32] = { /* Distance codes 0..29 base */ -        1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, -        257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, -        8193, 12289, 16385, 24577, 0, 0}; -    static const unsigned short dext[32] = { /* Distance codes 0..29 extra */ -        16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, -        23, 23, 24, 24, 25, 25, 26, 26, 27, 27, -        28, 28, 29, 29, 64, 64}; - -    /* -       Process a set of code lengths to create a canonical Huffman code.  The -       code lengths are lens[0..codes-1].  Each length corresponds to the -       symbols 0..codes-1.  The Huffman code is generated by first sorting the -       symbols by length from short to long, and retaining the symbol order -       for codes with equal lengths.  Then the code starts with all zero bits -       for the first code of the shortest length, and the codes are integer -       increments for the same length, and zeros are appended as the length -       increases.  For the deflate format, these bits are stored backwards -       from their more natural integer increment ordering, and so when the -       decoding tables are built in the large loop below, the integer codes -       are incremented backwards. - -       This routine assumes, but does not check, that all of the entries in -       lens[] are in the range 0..MAXBITS.  The caller must assure this. -       1..MAXBITS is interpreted as that code length.  zero means that that -       symbol does not occur in this code. - -       The codes are sorted by computing a count of codes for each length, -       creating from that a table of starting indices for each length in the -       sorted table, and then entering the symbols in order in the sorted -       table.  The sorted table is work[], with that space being provided by -       the caller. - -       The length counts are used for other purposes as well, i.e. finding -       the minimum and maximum length codes, determining if there are any -       codes at all, checking for a valid set of lengths, and looking ahead -       at length counts to determine sub-table sizes when building the -       decoding tables. -     */ - -    /* accumulate lengths for codes (assumes lens[] all in 0..MAXBITS) */ -    for (len = 0; len <= MAXBITS; len++) -        count[len] = 0; -    for (sym = 0; sym < codes; sym++) -        count[lens[sym]]++; - -    /* bound code lengths, force root to be within code lengths */ -    root = *bits; -    for (max = MAXBITS; max >= 1; max--) -        if (count[max] != 0) break; -    if (root > max) root = max; -    if (max == 0) {                     /* no symbols to code at all */ -        this.op = (unsigned char)64;    /* invalid code marker */ -        this.bits = (unsigned char)1; -        this.val = (unsigned short)0; -        *(*table)++ = this;             /* make a table to force an error */ -        *(*table)++ = this; -        *bits = 1; -        return 0;     /* no symbols, but wait for decoding to report error */ -    } -    for (min = 1; min <= MAXBITS; min++) -        if (count[min] != 0) break; -    if (root < min) root = min; - -    /* check for an over-subscribed or incomplete set of lengths */ -    left = 1; -    for (len = 1; len <= MAXBITS; len++) { -        left <<= 1; -        left -= count[len]; -        if (left < 0) return -1;        /* over-subscribed */ -    } -    if (left > 0 && (type == CODES || max != 1)) -        return -1;                      /* incomplete set */ - -    /* generate offsets into symbol table for each length for sorting */ -    offs[1] = 0; -    for (len = 1; len < MAXBITS; len++) -        offs[len + 1] = offs[len] + count[len]; - -    /* sort symbols by length, by symbol order within each length */ -    for (sym = 0; sym < codes; sym++) -        if (lens[sym] != 0) work[offs[lens[sym]]++] = (unsigned short)sym; - -    /* -       Create and fill in decoding tables.  In this loop, the table being -       filled is at next and has curr index bits.  The code being used is huff -       with length len.  That code is converted to an index by dropping drop -       bits off of the bottom.  For codes where len is less than drop + curr, -       those top drop + curr - len bits are incremented through all values to -       fill the table with replicated entries. - -       root is the number of index bits for the root table.  When len exceeds -       root, sub-tables are created pointed to by the root entry with an index -       of the low root bits of huff.  This is saved in low to check for when a -       new sub-table should be started.  drop is zero when the root table is -       being filled, and drop is root when sub-tables are being filled. - -       When a new sub-table is needed, it is necessary to look ahead in the -       code lengths to determine what size sub-table is needed.  The length -       counts are used for this, and so count[] is decremented as codes are -       entered in the tables. - -       used keeps track of how many table entries have been allocated from the -       provided *table space.  It is checked when a LENS table is being made -       against the space in *table, ENOUGH, minus the maximum space needed by -       the worst case distance code, MAXD.  This should never happen, but the -       sufficiency of ENOUGH has not been proven exhaustively, hence the check. -       This assumes that when type == LENS, bits == 9. - -       sym increments through all symbols, and the loop terminates when -       all codes of length max, i.e. all codes, have been processed.  This -       routine permits incomplete codes, so another loop after this one fills -       in the rest of the decoding tables with invalid code markers. -     */ - -    /* set up for code type */ -    switch (type) { -    case CODES: -        base = extra = work;    /* dummy value--not used */ -        end = 19; -        break; -    case LENS: -        base = lbase; -        base -= 257; -        extra = lext; -        extra -= 257; -        end = 256; -        break; -    default:            /* DISTS */ -        base = dbase; -        extra = dext; -        end = -1; -    } - -    /* initialize state for loop */ -    huff = 0;                   /* starting code */ -    sym = 0;                    /* starting code symbol */ -    len = min;                  /* starting code length */ -    next = *table;              /* current table to fill in */ -    curr = root;                /* current table index bits */ -    drop = 0;                   /* current bits to drop from code for index */ -    low = (unsigned)(-1);       /* trigger new sub-table when len > root */ -    used = 1U << root;          /* use root table entries */ -    mask = used - 1;            /* mask for comparing low */ - -    /* check available table space */ -    if (type == LENS && used >= ENOUGH - MAXD) -        return 1; - -    /* process all codes and make table entries */ -    for (;;) { -        /* create table entry */ -        this.bits = (unsigned char)(len - drop); -        if ((int)(work[sym]) < end) { -            this.op = (unsigned char)0; -            this.val = work[sym]; -        } -        else if ((int)(work[sym]) > end) { -            this.op = (unsigned char)(extra[work[sym]]); -            this.val = base[work[sym]]; -        } -        else { -            this.op = (unsigned char)(32 + 64);         /* end of block */ -            this.val = 0; -        } - -        /* replicate for those indices with low len bits equal to huff */ -        incr = 1U << (len - drop); -        fill = 1U << curr; -        min = fill;                 /* save offset to next table */ -        do { -            fill -= incr; -            next[(huff >> drop) + fill] = this; -        } while (fill != 0); - -        /* backwards increment the len-bit code huff */ -        incr = 1U << (len - 1); -        while (huff & incr) -            incr >>= 1; -        if (incr != 0) { -            huff &= incr - 1; -            huff += incr; -        } -        else -            huff = 0; - -        /* go to next symbol, update count, len */ -        sym++; -        if (--(count[len]) == 0) { -            if (len == max) break; -            len = lens[work[sym]]; -        } - -        /* create new sub-table if needed */ -        if (len > root && (huff & mask) != low) { -            /* if first time, transition to sub-tables */ -            if (drop == 0) -                drop = root; - -            /* increment past last table */ -            next += min;            /* here min is 1 << curr */ - -            /* determine length of next table */ -            curr = len - drop; -            left = (int)(1 << curr); -            while (curr + drop < max) { -                left -= count[curr + drop]; -                if (left <= 0) break; -                curr++; -                left <<= 1; -            } - -            /* check for enough space */ -            used += 1U << curr; -            if (type == LENS && used >= ENOUGH - MAXD) -                return 1; - -            /* point entry in root table to sub-table */ -            low = huff & mask; -            (*table)[low].op = (unsigned char)curr; -            (*table)[low].bits = (unsigned char)root; -            (*table)[low].val = (unsigned short)(next - *table); -        } -    } - -    /* -       Fill in rest of table for incomplete codes.  This loop is similar to the -       loop above in incrementing huff for table indices.  It is assumed that -       len is equal to curr + drop, so there is no loop needed to increment -       through high index bits.  When the current sub-table is filled, the loop -       drops back to the root table to fill in any remaining entries there. -     */ -    this.op = (unsigned char)64;                /* invalid code marker */ -    this.bits = (unsigned char)(len - drop); -    this.val = (unsigned short)0; -    while (huff != 0) { -        /* when done with sub-table, drop back to root table */ -        if (drop != 0 && (huff & mask) != low) { -            drop = 0; -            len = root; -            next = *table; -            this.bits = (unsigned char)len; -        } - -        /* put invalid code marker in table */ -        next[huff >> drop] = this; - -        /* backwards increment the len-bit code huff */ -        incr = 1U << (len - 1); -        while (huff & incr) -            incr >>= 1; -        if (incr != 0) { -            huff &= incr - 1; -            huff += incr; -        } -        else -            huff = 0; -    } - -    /* set return parameters */ -    *table += used; -    *bits = root; -    return 0; -} diff --git a/3rdParty/ZLib/src/inftrees.h b/3rdParty/ZLib/src/inftrees.h deleted file mode 100644 index b1104c8..0000000 --- a/3rdParty/ZLib/src/inftrees.h +++ /dev/null @@ -1,55 +0,0 @@ -/* inftrees.h -- header to use inftrees.c - * Copyright (C) 1995-2005 Mark Adler - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* WARNING: this file should *not* be used by applications. It is -   part of the implementation of the compression library and is -   subject to change. Applications should only use zlib.h. - */ - -/* Structure for decoding tables.  Each entry provides either the -   information needed to do the operation requested by the code that -   indexed that table entry, or it provides a pointer to another -   table that indexes more bits of the code.  op indicates whether -   the entry is a pointer to another table, a literal, a length or -   distance, an end-of-block, or an invalid code.  For a table -   pointer, the low four bits of op is the number of index bits of -   that table.  For a length or distance, the low four bits of op -   is the number of extra bits to get after the code.  bits is -   the number of bits in this code or part of the code to drop off -   of the bit buffer.  val is the actual byte to output in the case -   of a literal, the base length or distance, or the offset from -   the current table to the next table.  Each entry is four bytes. */ -typedef struct { -    unsigned char op;           /* operation, extra bits, table bits */ -    unsigned char bits;         /* bits in this part of the code */ -    unsigned short val;         /* offset in table or code value */ -} code; - -/* op values as set by inflate_table(): -    00000000 - literal -    0000tttt - table link, tttt != 0 is the number of table index bits -    0001eeee - length or distance, eeee is the number of extra bits -    01100000 - end of block -    01000000 - invalid code - */ - -/* Maximum size of dynamic tree.  The maximum found in a long but non- -   exhaustive search was 1444 code structures (852 for length/literals -   and 592 for distances, the latter actually the result of an -   exhaustive search).  The true maximum is not known, but the value -   below is more than safe. */ -#define ENOUGH 2048 -#define MAXD 592 - -/* Type of code to build for inftable() */ -typedef enum { -    CODES, -    LENS, -    DISTS -} codetype; - -extern int inflate_table OF((codetype type, unsigned short FAR *lens, -                             unsigned codes, code FAR * FAR *table, -                             unsigned FAR *bits, unsigned short FAR *work)); diff --git a/3rdParty/ZLib/src/trees.c b/3rdParty/ZLib/src/trees.c deleted file mode 100644 index 395e4e1..0000000 --- a/3rdParty/ZLib/src/trees.c +++ /dev/null @@ -1,1219 +0,0 @@ -/* trees.c -- output deflated data using Huffman coding - * Copyright (C) 1995-2005 Jean-loup Gailly - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* - *  ALGORITHM - * - *      The "deflation" process uses several Huffman trees. The more - *      common source values are represented by shorter bit sequences. - * - *      Each code tree is stored in a compressed form which is itself - * a Huffman encoding of the lengths of all the code strings (in - * ascending order by source values).  The actual code strings are - * reconstructed from the lengths in the inflate process, as described - * in the deflate specification. - * - *  REFERENCES - * - *      Deutsch, L.P.,"'Deflate' Compressed Data Format Specification". - *      Available in ftp.uu.net:/pub/archiving/zip/doc/deflate-1.1.doc - * - *      Storer, James A. - *          Data Compression:  Methods and Theory, pp. 49-50. - *          Computer Science Press, 1988.  ISBN 0-7167-8156-5. - * - *      Sedgewick, R. - *          Algorithms, p290. - *          Addison-Wesley, 1983. ISBN 0-201-06672-6. - */ - -/* @(#) $Id$ */ - -/* #define GEN_TREES_H */ - -#include "deflate.h" - -#ifdef DEBUG -#  include <ctype.h> -#endif - -/* =========================================================================== - * Constants - */ - -#define MAX_BL_BITS 7 -/* Bit length codes must not exceed MAX_BL_BITS bits */ - -#define END_BLOCK 256 -/* end of block literal code */ - -#define REP_3_6      16 -/* repeat previous bit length 3-6 times (2 bits of repeat count) */ - -#define REPZ_3_10    17 -/* repeat a zero length 3-10 times  (3 bits of repeat count) */ - -#define REPZ_11_138  18 -/* repeat a zero length 11-138 times  (7 bits of repeat count) */ - -local const int extra_lbits[LENGTH_CODES] /* extra bits for each length code */ -   = {0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0}; - -local const int extra_dbits[D_CODES] /* extra bits for each distance code */ -   = {0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13}; - -local const int extra_blbits[BL_CODES]/* extra bits for each bit length code */ -   = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7}; - -local const uch bl_order[BL_CODES] -   = {16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15}; -/* The lengths of the bit length codes are sent in order of decreasing - * probability, to avoid transmitting the lengths for unused bit length codes. - */ - -#define Buf_size (8 * 2*sizeof(char)) -/* Number of bits used within bi_buf. (bi_buf might be implemented on - * more than 16 bits on some systems.) - */ - -/* =========================================================================== - * Local data. These are initialized only once. - */ - -#define DIST_CODE_LEN  512 /* see definition of array dist_code below */ - -#if defined(GEN_TREES_H) || !defined(STDC) -/* non ANSI compilers may not accept trees.h */ - -local ct_data static_ltree[L_CODES+2]; -/* The static literal tree. Since the bit lengths are imposed, there is no - * need for the L_CODES extra codes used during heap construction. However - * The codes 286 and 287 are needed to build a canonical tree (see _tr_init - * below). - */ - -local ct_data static_dtree[D_CODES]; -/* The static distance tree. (Actually a trivial tree since all codes use - * 5 bits.) - */ - -uch _dist_code[DIST_CODE_LEN]; -/* Distance codes. The first 256 values correspond to the distances - * 3 .. 258, the last 256 values correspond to the top 8 bits of - * the 15 bit distances. - */ - -uch _length_code[MAX_MATCH-MIN_MATCH+1]; -/* length code for each normalized match length (0 == MIN_MATCH) */ - -local int base_length[LENGTH_CODES]; -/* First normalized length for each code (0 = MIN_MATCH) */ - -local int base_dist[D_CODES]; -/* First normalized distance for each code (0 = distance of 1) */ - -#else -#  include "trees.h" -#endif /* GEN_TREES_H */ - -struct static_tree_desc_s { -    const ct_data *static_tree;  /* static tree or NULL */ -    const intf *extra_bits;      /* extra bits for each code or NULL */ -    int     extra_base;          /* base index for extra_bits */ -    int     elems;               /* max number of elements in the tree */ -    int     max_length;          /* max bit length for the codes */ -}; - -local static_tree_desc  static_l_desc = -{static_ltree, extra_lbits, LITERALS+1, L_CODES, MAX_BITS}; - -local static_tree_desc  static_d_desc = -{static_dtree, extra_dbits, 0,          D_CODES, MAX_BITS}; - -local static_tree_desc  static_bl_desc = -{(const ct_data *)0, extra_blbits, 0,   BL_CODES, MAX_BL_BITS}; - -/* =========================================================================== - * Local (static) routines in this file. - */ - -local void tr_static_init OF((void)); -local void init_block     OF((deflate_state *s)); -local void pqdownheap     OF((deflate_state *s, ct_data *tree, int k)); -local void gen_bitlen     OF((deflate_state *s, tree_desc *desc)); -local void gen_codes      OF((ct_data *tree, int max_code, ushf *bl_count)); -local void build_tree     OF((deflate_state *s, tree_desc *desc)); -local void scan_tree      OF((deflate_state *s, ct_data *tree, int max_code)); -local void send_tree      OF((deflate_state *s, ct_data *tree, int max_code)); -local int  build_bl_tree  OF((deflate_state *s)); -local void send_all_trees OF((deflate_state *s, int lcodes, int dcodes, -                              int blcodes)); -local void compress_block OF((deflate_state *s, ct_data *ltree, -                              ct_data *dtree)); -local void set_data_type  OF((deflate_state *s)); -local unsigned bi_reverse OF((unsigned value, int length)); -local void bi_windup      OF((deflate_state *s)); -local void bi_flush       OF((deflate_state *s)); -local void copy_block     OF((deflate_state *s, charf *buf, unsigned len, -                              int header)); - -#ifdef GEN_TREES_H -local void gen_trees_header OF((void)); -#endif - -#ifndef DEBUG -#  define send_code(s, c, tree) send_bits(s, tree[c].Code, tree[c].Len) -   /* Send a code of the given tree. c and tree must not have side effects */ - -#else /* DEBUG */ -#  define send_code(s, c, tree) \ -     { if (z_verbose>2) fprintf(stderr,"\ncd %3d ",(c)); \ -       send_bits(s, tree[c].Code, tree[c].Len); } -#endif - -/* =========================================================================== - * Output a short LSB first on the stream. - * IN assertion: there is enough room in pendingBuf. - */ -#define put_short(s, w) { \ -    put_byte(s, (uch)((w) & 0xff)); \ -    put_byte(s, (uch)((ush)(w) >> 8)); \ -} - -/* =========================================================================== - * Send a value on a given number of bits. - * IN assertion: length <= 16 and value fits in length bits. - */ -#ifdef DEBUG -local void send_bits      OF((deflate_state *s, int value, int length)); - -local void send_bits(s, value, length) -    deflate_state *s; -    int value;  /* value to send */ -    int length; /* number of bits */ -{ -    Tracevv((stderr," l %2d v %4x ", length, value)); -    Assert(length > 0 && length <= 15, "invalid length"); -    s->bits_sent += (ulg)length; - -    /* If not enough room in bi_buf, use (valid) bits from bi_buf and -     * (16 - bi_valid) bits from value, leaving (width - (16-bi_valid)) -     * unused bits in value. -     */ -    if (s->bi_valid > (int)Buf_size - length) { -        s->bi_buf |= (value << s->bi_valid); -        put_short(s, s->bi_buf); -        s->bi_buf = (ush)value >> (Buf_size - s->bi_valid); -        s->bi_valid += length - Buf_size; -    } else { -        s->bi_buf |= value << s->bi_valid; -        s->bi_valid += length; -    } -} -#else /* !DEBUG */ - -#define send_bits(s, value, length) \ -{ int len = length;\ -  if (s->bi_valid > (int)Buf_size - len) {\ -    int val = value;\ -    s->bi_buf |= (val << s->bi_valid);\ -    put_short(s, s->bi_buf);\ -    s->bi_buf = (ush)val >> (Buf_size - s->bi_valid);\ -    s->bi_valid += len - Buf_size;\ -  } else {\ -    s->bi_buf |= (value) << s->bi_valid;\ -    s->bi_valid += len;\ -  }\ -} -#endif /* DEBUG */ - - -/* the arguments must not have side effects */ - -/* =========================================================================== - * Initialize the various 'constant' tables. - */ -local void tr_static_init() -{ -#if defined(GEN_TREES_H) || !defined(STDC) -    static int static_init_done = 0; -    int n;        /* iterates over tree elements */ -    int bits;     /* bit counter */ -    int length;   /* length value */ -    int code;     /* code value */ -    int dist;     /* distance index */ -    ush bl_count[MAX_BITS+1]; -    /* number of codes at each bit length for an optimal tree */ - -    if (static_init_done) return; - -    /* For some embedded targets, global variables are not initialized: */ -    static_l_desc.static_tree = static_ltree; -    static_l_desc.extra_bits = extra_lbits; -    static_d_desc.static_tree = static_dtree; -    static_d_desc.extra_bits = extra_dbits; -    static_bl_desc.extra_bits = extra_blbits; - -    /* Initialize the mapping length (0..255) -> length code (0..28) */ -    length = 0; -    for (code = 0; code < LENGTH_CODES-1; code++) { -        base_length[code] = length; -        for (n = 0; n < (1<<extra_lbits[code]); n++) { -            _length_code[length++] = (uch)code; -        } -    } -    Assert (length == 256, "tr_static_init: length != 256"); -    /* Note that the length 255 (match length 258) can be represented -     * in two different ways: code 284 + 5 bits or code 285, so we -     * overwrite length_code[255] to use the best encoding: -     */ -    _length_code[length-1] = (uch)code; - -    /* Initialize the mapping dist (0..32K) -> dist code (0..29) */ -    dist = 0; -    for (code = 0 ; code < 16; code++) { -        base_dist[code] = dist; -        for (n = 0; n < (1<<extra_dbits[code]); n++) { -            _dist_code[dist++] = (uch)code; -        } -    } -    Assert (dist == 256, "tr_static_init: dist != 256"); -    dist >>= 7; /* from now on, all distances are divided by 128 */ -    for ( ; code < D_CODES; code++) { -        base_dist[code] = dist << 7; -        for (n = 0; n < (1<<(extra_dbits[code]-7)); n++) { -            _dist_code[256 + dist++] = (uch)code; -        } -    } -    Assert (dist == 256, "tr_static_init: 256+dist != 512"); - -    /* Construct the codes of the static literal tree */ -    for (bits = 0; bits <= MAX_BITS; bits++) bl_count[bits] = 0; -    n = 0; -    while (n <= 143) static_ltree[n++].Len = 8, bl_count[8]++; -    while (n <= 255) static_ltree[n++].Len = 9, bl_count[9]++; -    while (n <= 279) static_ltree[n++].Len = 7, bl_count[7]++; -    while (n <= 287) static_ltree[n++].Len = 8, bl_count[8]++; -    /* Codes 286 and 287 do not exist, but we must include them in the -     * tree construction to get a canonical Huffman tree (longest code -     * all ones) -     */ -    gen_codes((ct_data *)static_ltree, L_CODES+1, bl_count); - -    /* The static distance tree is trivial: */ -    for (n = 0; n < D_CODES; n++) { -        static_dtree[n].Len = 5; -        static_dtree[n].Code = bi_reverse((unsigned)n, 5); -    } -    static_init_done = 1; - -#  ifdef GEN_TREES_H -    gen_trees_header(); -#  endif -#endif /* defined(GEN_TREES_H) || !defined(STDC) */ -} - -/* =========================================================================== - * Genererate the file trees.h describing the static trees. - */ -#ifdef GEN_TREES_H -#  ifndef DEBUG -#    include <stdio.h> -#  endif - -#  define SEPARATOR(i, last, width) \ -      ((i) == (last)? "\n};\n\n" :    \ -       ((i) % (width) == (width)-1 ? ",\n" : ", ")) - -void gen_trees_header() -{ -    FILE *header = fopen("trees.h", "w"); -    int i; - -    Assert (header != NULL, "Can't open trees.h"); -    fprintf(header, -            "/* header created automatically with -DGEN_TREES_H */\n\n"); - -    fprintf(header, "local const ct_data static_ltree[L_CODES+2] = {\n"); -    for (i = 0; i < L_CODES+2; i++) { -        fprintf(header, "{{%3u},{%3u}}%s", static_ltree[i].Code, -                static_ltree[i].Len, SEPARATOR(i, L_CODES+1, 5)); -    } - -    fprintf(header, "local const ct_data static_dtree[D_CODES] = {\n"); -    for (i = 0; i < D_CODES; i++) { -        fprintf(header, "{{%2u},{%2u}}%s", static_dtree[i].Code, -                static_dtree[i].Len, SEPARATOR(i, D_CODES-1, 5)); -    } - -    fprintf(header, "const uch _dist_code[DIST_CODE_LEN] = {\n"); -    for (i = 0; i < DIST_CODE_LEN; i++) { -        fprintf(header, "%2u%s", _dist_code[i], -                SEPARATOR(i, DIST_CODE_LEN-1, 20)); -    } - -    fprintf(header, "const uch _length_code[MAX_MATCH-MIN_MATCH+1]= {\n"); -    for (i = 0; i < MAX_MATCH-MIN_MATCH+1; i++) { -        fprintf(header, "%2u%s", _length_code[i], -                SEPARATOR(i, MAX_MATCH-MIN_MATCH, 20)); -    } - -    fprintf(header, "local const int base_length[LENGTH_CODES] = {\n"); -    for (i = 0; i < LENGTH_CODES; i++) { -        fprintf(header, "%1u%s", base_length[i], -                SEPARATOR(i, LENGTH_CODES-1, 20)); -    } - -    fprintf(header, "local const int base_dist[D_CODES] = {\n"); -    for (i = 0; i < D_CODES; i++) { -        fprintf(header, "%5u%s", base_dist[i], -                SEPARATOR(i, D_CODES-1, 10)); -    } - -    fclose(header); -} -#endif /* GEN_TREES_H */ - -/* =========================================================================== - * Initialize the tree data structures for a new zlib stream. - */ -void _tr_init(s) -    deflate_state *s; -{ -    tr_static_init(); - -    s->l_desc.dyn_tree = s->dyn_ltree; -    s->l_desc.stat_desc = &static_l_desc; - -    s->d_desc.dyn_tree = s->dyn_dtree; -    s->d_desc.stat_desc = &static_d_desc; - -    s->bl_desc.dyn_tree = s->bl_tree; -    s->bl_desc.stat_desc = &static_bl_desc; - -    s->bi_buf = 0; -    s->bi_valid = 0; -    s->last_eob_len = 8; /* enough lookahead for inflate */ -#ifdef DEBUG -    s->compressed_len = 0L; -    s->bits_sent = 0L; -#endif - -    /* Initialize the first block of the first file: */ -    init_block(s); -} - -/* =========================================================================== - * Initialize a new block. - */ -local void init_block(s) -    deflate_state *s; -{ -    int n; /* iterates over tree elements */ - -    /* Initialize the trees. */ -    for (n = 0; n < L_CODES;  n++) s->dyn_ltree[n].Freq = 0; -    for (n = 0; n < D_CODES;  n++) s->dyn_dtree[n].Freq = 0; -    for (n = 0; n < BL_CODES; n++) s->bl_tree[n].Freq = 0; - -    s->dyn_ltree[END_BLOCK].Freq = 1; -    s->opt_len = s->static_len = 0L; -    s->last_lit = s->matches = 0; -} - -#define SMALLEST 1 -/* Index within the heap array of least frequent node in the Huffman tree */ - - -/* =========================================================================== - * Remove the smallest element from the heap and recreate the heap with - * one less element. Updates heap and heap_len. - */ -#define pqremove(s, tree, top) \ -{\ -    top = s->heap[SMALLEST]; \ -    s->heap[SMALLEST] = s->heap[s->heap_len--]; \ -    pqdownheap(s, tree, SMALLEST); \ -} - -/* =========================================================================== - * Compares to subtrees, using the tree depth as tie breaker when - * the subtrees have equal frequency. This minimizes the worst case length. - */ -#define smaller(tree, n, m, depth) \ -   (tree[n].Freq < tree[m].Freq || \ -   (tree[n].Freq == tree[m].Freq && depth[n] <= depth[m])) - -/* =========================================================================== - * Restore the heap property by moving down the tree starting at node k, - * exchanging a node with the smallest of its two sons if necessary, stopping - * when the heap property is re-established (each father smaller than its - * two sons). - */ -local void pqdownheap(s, tree, k) -    deflate_state *s; -    ct_data *tree;  /* the tree to restore */ -    int k;               /* node to move down */ -{ -    int v = s->heap[k]; -    int j = k << 1;  /* left son of k */ -    while (j <= s->heap_len) { -        /* Set j to the smallest of the two sons: */ -        if (j < s->heap_len && -            smaller(tree, s->heap[j+1], s->heap[j], s->depth)) { -            j++; -        } -        /* Exit if v is smaller than both sons */ -        if (smaller(tree, v, s->heap[j], s->depth)) break; - -        /* Exchange v with the smallest son */ -        s->heap[k] = s->heap[j];  k = j; - -        /* And continue down the tree, setting j to the left son of k */ -        j <<= 1; -    } -    s->heap[k] = v; -} - -/* =========================================================================== - * Compute the optimal bit lengths for a tree and update the total bit length - * for the current block. - * IN assertion: the fields freq and dad are set, heap[heap_max] and - *    above are the tree nodes sorted by increasing frequency. - * OUT assertions: the field len is set to the optimal bit length, the - *     array bl_count contains the frequencies for each bit length. - *     The length opt_len is updated; static_len is also updated if stree is - *     not null. - */ -local void gen_bitlen(s, desc) -    deflate_state *s; -    tree_desc *desc;    /* the tree descriptor */ -{ -    ct_data *tree        = desc->dyn_tree; -    int max_code         = desc->max_code; -    const ct_data *stree = desc->stat_desc->static_tree; -    const intf *extra    = desc->stat_desc->extra_bits; -    int base             = desc->stat_desc->extra_base; -    int max_length       = desc->stat_desc->max_length; -    int h;              /* heap index */ -    int n, m;           /* iterate over the tree elements */ -    int bits;           /* bit length */ -    int xbits;          /* extra bits */ -    ush f;              /* frequency */ -    int overflow = 0;   /* number of elements with bit length too large */ - -    for (bits = 0; bits <= MAX_BITS; bits++) s->bl_count[bits] = 0; - -    /* In a first pass, compute the optimal bit lengths (which may -     * overflow in the case of the bit length tree). -     */ -    tree[s->heap[s->heap_max]].Len = 0; /* root of the heap */ - -    for (h = s->heap_max+1; h < HEAP_SIZE; h++) { -        n = s->heap[h]; -        bits = tree[tree[n].Dad].Len + 1; -        if (bits > max_length) bits = max_length, overflow++; -        tree[n].Len = (ush)bits; -        /* We overwrite tree[n].Dad which is no longer needed */ - -        if (n > max_code) continue; /* not a leaf node */ - -        s->bl_count[bits]++; -        xbits = 0; -        if (n >= base) xbits = extra[n-base]; -        f = tree[n].Freq; -        s->opt_len += (ulg)f * (bits + xbits); -        if (stree) s->static_len += (ulg)f * (stree[n].Len + xbits); -    } -    if (overflow == 0) return; - -    Trace((stderr,"\nbit length overflow\n")); -    /* This happens for example on obj2 and pic of the Calgary corpus */ - -    /* Find the first bit length which could increase: */ -    do { -        bits = max_length-1; -        while (s->bl_count[bits] == 0) bits--; -        s->bl_count[bits]--;      /* move one leaf down the tree */ -        s->bl_count[bits+1] += 2; /* move one overflow item as its brother */ -        s->bl_count[max_length]--; -        /* The brother of the overflow item also moves one step up, -         * but this does not affect bl_count[max_length] -         */ -        overflow -= 2; -    } while (overflow > 0); - -    /* Now recompute all bit lengths, scanning in increasing frequency. -     * h is still equal to HEAP_SIZE. (It is simpler to reconstruct all -     * lengths instead of fixing only the wrong ones. This idea is taken -     * from 'ar' written by Haruhiko Okumura.) -     */ -    for (bits = max_length; bits != 0; bits--) { -        n = s->bl_count[bits]; -        while (n != 0) { -            m = s->heap[--h]; -            if (m > max_code) continue; -            if ((unsigned) tree[m].Len != (unsigned) bits) { -                Trace((stderr,"code %d bits %d->%d\n", m, tree[m].Len, bits)); -                s->opt_len += ((long)bits - (long)tree[m].Len) -                              *(long)tree[m].Freq; -                tree[m].Len = (ush)bits; -            } -            n--; -        } -    } -} - -/* =========================================================================== - * Generate the codes for a given tree and bit counts (which need not be - * optimal). - * IN assertion: the array bl_count contains the bit length statistics for - * the given tree and the field len is set for all tree elements. - * OUT assertion: the field code is set for all tree elements of non - *     zero code length. - */ -local void gen_codes (tree, max_code, bl_count) -    ct_data *tree;             /* the tree to decorate */ -    int max_code;              /* largest code with non zero frequency */ -    ushf *bl_count;            /* number of codes at each bit length */ -{ -    ush next_code[MAX_BITS+1]; /* next code value for each bit length */ -    ush code = 0;              /* running code value */ -    int bits;                  /* bit index */ -    int n;                     /* code index */ - -    /* The distribution counts are first used to generate the code values -     * without bit reversal. -     */ -    for (bits = 1; bits <= MAX_BITS; bits++) { -        next_code[bits] = code = (code + bl_count[bits-1]) << 1; -    } -    /* Check that the bit counts in bl_count are consistent. The last code -     * must be all ones. -     */ -    Assert (code + bl_count[MAX_BITS]-1 == (1<<MAX_BITS)-1, -            "inconsistent bit counts"); -    Tracev((stderr,"\ngen_codes: max_code %d ", max_code)); - -    for (n = 0;  n <= max_code; n++) { -        int len = tree[n].Len; -        if (len == 0) continue; -        /* Now reverse the bits */ -        tree[n].Code = bi_reverse(next_code[len]++, len); - -        Tracecv(tree != static_ltree, (stderr,"\nn %3d %c l %2d c %4x (%x) ", -             n, (isgraph(n) ? n : ' '), len, tree[n].Code, next_code[len]-1)); -    } -} - -/* =========================================================================== - * Construct one Huffman tree and assigns the code bit strings and lengths. - * Update the total bit length for the current block. - * IN assertion: the field freq is set for all tree elements. - * OUT assertions: the fields len and code are set to the optimal bit length - *     and corresponding code. The length opt_len is updated; static_len is - *     also updated if stree is not null. The field max_code is set. - */ -local void build_tree(s, desc) -    deflate_state *s; -    tree_desc *desc; /* the tree descriptor */ -{ -    ct_data *tree         = desc->dyn_tree; -    const ct_data *stree  = desc->stat_desc->static_tree; -    int elems             = desc->stat_desc->elems; -    int n, m;          /* iterate over heap elements */ -    int max_code = -1; /* largest code with non zero frequency */ -    int node;          /* new node being created */ - -    /* Construct the initial heap, with least frequent element in -     * heap[SMALLEST]. The sons of heap[n] are heap[2*n] and heap[2*n+1]. -     * heap[0] is not used. -     */ -    s->heap_len = 0, s->heap_max = HEAP_SIZE; - -    for (n = 0; n < elems; n++) { -        if (tree[n].Freq != 0) { -            s->heap[++(s->heap_len)] = max_code = n; -            s->depth[n] = 0; -        } else { -            tree[n].Len = 0; -        } -    } - -    /* The pkzip format requires that at least one distance code exists, -     * and that at least one bit should be sent even if there is only one -     * possible code. So to avoid special checks later on we force at least -     * two codes of non zero frequency. -     */ -    while (s->heap_len < 2) { -        node = s->heap[++(s->heap_len)] = (max_code < 2 ? ++max_code : 0); -        tree[node].Freq = 1; -        s->depth[node] = 0; -        s->opt_len--; if (stree) s->static_len -= stree[node].Len; -        /* node is 0 or 1 so it does not have extra bits */ -    } -    desc->max_code = max_code; - -    /* The elements heap[heap_len/2+1 .. heap_len] are leaves of the tree, -     * establish sub-heaps of increasing lengths: -     */ -    for (n = s->heap_len/2; n >= 1; n--) pqdownheap(s, tree, n); - -    /* Construct the Huffman tree by repeatedly combining the least two -     * frequent nodes. -     */ -    node = elems;              /* next internal node of the tree */ -    do { -        pqremove(s, tree, n);  /* n = node of least frequency */ -        m = s->heap[SMALLEST]; /* m = node of next least frequency */ - -        s->heap[--(s->heap_max)] = n; /* keep the nodes sorted by frequency */ -        s->heap[--(s->heap_max)] = m; - -        /* Create a new node father of n and m */ -        tree[node].Freq = tree[n].Freq + tree[m].Freq; -        s->depth[node] = (uch)((s->depth[n] >= s->depth[m] ? -                                s->depth[n] : s->depth[m]) + 1); -        tree[n].Dad = tree[m].Dad = (ush)node; -#ifdef DUMP_BL_TREE -        if (tree == s->bl_tree) { -            fprintf(stderr,"\nnode %d(%d), sons %d(%d) %d(%d)", -                    node, tree[node].Freq, n, tree[n].Freq, m, tree[m].Freq); -        } -#endif -        /* and insert the new node in the heap */ -        s->heap[SMALLEST] = node++; -        pqdownheap(s, tree, SMALLEST); - -    } while (s->heap_len >= 2); - -    s->heap[--(s->heap_max)] = s->heap[SMALLEST]; - -    /* At this point, the fields freq and dad are set. We can now -     * generate the bit lengths. -     */ -    gen_bitlen(s, (tree_desc *)desc); - -    /* The field len is now set, we can generate the bit codes */ -    gen_codes ((ct_data *)tree, max_code, s->bl_count); -} - -/* =========================================================================== - * Scan a literal or distance tree to determine the frequencies of the codes - * in the bit length tree. - */ -local void scan_tree (s, tree, max_code) -    deflate_state *s; -    ct_data *tree;   /* the tree to be scanned */ -    int max_code;    /* and its largest code of non zero frequency */ -{ -    int n;                     /* iterates over all tree elements */ -    int prevlen = -1;          /* last emitted length */ -    int curlen;                /* length of current code */ -    int nextlen = tree[0].Len; /* length of next code */ -    int count = 0;             /* repeat count of the current code */ -    int max_count = 7;         /* max repeat count */ -    int min_count = 4;         /* min repeat count */ - -    if (nextlen == 0) max_count = 138, min_count = 3; -    tree[max_code+1].Len = (ush)0xffff; /* guard */ - -    for (n = 0; n <= max_code; n++) { -        curlen = nextlen; nextlen = tree[n+1].Len; -        if (++count < max_count && curlen == nextlen) { -            continue; -        } else if (count < min_count) { -            s->bl_tree[curlen].Freq += count; -        } else if (curlen != 0) { -            if (curlen != prevlen) s->bl_tree[curlen].Freq++; -            s->bl_tree[REP_3_6].Freq++; -        } else if (count <= 10) { -            s->bl_tree[REPZ_3_10].Freq++; -        } else { -            s->bl_tree[REPZ_11_138].Freq++; -        } -        count = 0; prevlen = curlen; -        if (nextlen == 0) { -            max_count = 138, min_count = 3; -        } else if (curlen == nextlen) { -            max_count = 6, min_count = 3; -        } else { -            max_count = 7, min_count = 4; -        } -    } -} - -/* =========================================================================== - * Send a literal or distance tree in compressed form, using the codes in - * bl_tree. - */ -local void send_tree (s, tree, max_code) -    deflate_state *s; -    ct_data *tree; /* the tree to be scanned */ -    int max_code;       /* and its largest code of non zero frequency */ -{ -    int n;                     /* iterates over all tree elements */ -    int prevlen = -1;          /* last emitted length */ -    int curlen;                /* length of current code */ -    int nextlen = tree[0].Len; /* length of next code */ -    int count = 0;             /* repeat count of the current code */ -    int max_count = 7;         /* max repeat count */ -    int min_count = 4;         /* min repeat count */ - -    /* tree[max_code+1].Len = -1; */  /* guard already set */ -    if (nextlen == 0) max_count = 138, min_count = 3; - -    for (n = 0; n <= max_code; n++) { -        curlen = nextlen; nextlen = tree[n+1].Len; -        if (++count < max_count && curlen == nextlen) { -            continue; -        } else if (count < min_count) { -            do { send_code(s, curlen, s->bl_tree); } while (--count != 0); - -        } else if (curlen != 0) { -            if (curlen != prevlen) { -                send_code(s, curlen, s->bl_tree); count--; -            } -            Assert(count >= 3 && count <= 6, " 3_6?"); -            send_code(s, REP_3_6, s->bl_tree); send_bits(s, count-3, 2); - -        } else if (count <= 10) { -            send_code(s, REPZ_3_10, s->bl_tree); send_bits(s, count-3, 3); - -        } else { -            send_code(s, REPZ_11_138, s->bl_tree); send_bits(s, count-11, 7); -        } -        count = 0; prevlen = curlen; -        if (nextlen == 0) { -            max_count = 138, min_count = 3; -        } else if (curlen == nextlen) { -            max_count = 6, min_count = 3; -        } else { -            max_count = 7, min_count = 4; -        } -    } -} - -/* =========================================================================== - * Construct the Huffman tree for the bit lengths and return the index in - * bl_order of the last bit length code to send. - */ -local int build_bl_tree(s) -    deflate_state *s; -{ -    int max_blindex;  /* index of last bit length code of non zero freq */ - -    /* Determine the bit length frequencies for literal and distance trees */ -    scan_tree(s, (ct_data *)s->dyn_ltree, s->l_desc.max_code); -    scan_tree(s, (ct_data *)s->dyn_dtree, s->d_desc.max_code); - -    /* Build the bit length tree: */ -    build_tree(s, (tree_desc *)(&(s->bl_desc))); -    /* opt_len now includes the length of the tree representations, except -     * the lengths of the bit lengths codes and the 5+5+4 bits for the counts. -     */ - -    /* Determine the number of bit length codes to send. The pkzip format -     * requires that at least 4 bit length codes be sent. (appnote.txt says -     * 3 but the actual value used is 4.) -     */ -    for (max_blindex = BL_CODES-1; max_blindex >= 3; max_blindex--) { -        if (s->bl_tree[bl_order[max_blindex]].Len != 0) break; -    } -    /* Update opt_len to include the bit length tree and counts */ -    s->opt_len += 3*(max_blindex+1) + 5+5+4; -    Tracev((stderr, "\ndyn trees: dyn %ld, stat %ld", -            s->opt_len, s->static_len)); - -    return max_blindex; -} - -/* =========================================================================== - * Send the header for a block using dynamic Huffman trees: the counts, the - * lengths of the bit length codes, the literal tree and the distance tree. - * IN assertion: lcodes >= 257, dcodes >= 1, blcodes >= 4. - */ -local void send_all_trees(s, lcodes, dcodes, blcodes) -    deflate_state *s; -    int lcodes, dcodes, blcodes; /* number of codes for each tree */ -{ -    int rank;                    /* index in bl_order */ - -    Assert (lcodes >= 257 && dcodes >= 1 && blcodes >= 4, "not enough codes"); -    Assert (lcodes <= L_CODES && dcodes <= D_CODES && blcodes <= BL_CODES, -            "too many codes"); -    Tracev((stderr, "\nbl counts: ")); -    send_bits(s, lcodes-257, 5); /* not +255 as stated in appnote.txt */ -    send_bits(s, dcodes-1,   5); -    send_bits(s, blcodes-4,  4); /* not -3 as stated in appnote.txt */ -    for (rank = 0; rank < blcodes; rank++) { -        Tracev((stderr, "\nbl code %2d ", bl_order[rank])); -        send_bits(s, s->bl_tree[bl_order[rank]].Len, 3); -    } -    Tracev((stderr, "\nbl tree: sent %ld", s->bits_sent)); - -    send_tree(s, (ct_data *)s->dyn_ltree, lcodes-1); /* literal tree */ -    Tracev((stderr, "\nlit tree: sent %ld", s->bits_sent)); - -    send_tree(s, (ct_data *)s->dyn_dtree, dcodes-1); /* distance tree */ -    Tracev((stderr, "\ndist tree: sent %ld", s->bits_sent)); -} - -/* =========================================================================== - * Send a stored block - */ -void _tr_stored_block(s, buf, stored_len, eof) -    deflate_state *s; -    charf *buf;       /* input block */ -    ulg stored_len;   /* length of input block */ -    int eof;          /* true if this is the last block for a file */ -{ -    send_bits(s, (STORED_BLOCK<<1)+eof, 3);  /* send block type */ -#ifdef DEBUG -    s->compressed_len = (s->compressed_len + 3 + 7) & (ulg)~7L; -    s->compressed_len += (stored_len + 4) << 3; -#endif -    copy_block(s, buf, (unsigned)stored_len, 1); /* with header */ -} - -/* =========================================================================== - * Send one empty static block to give enough lookahead for inflate. - * This takes 10 bits, of which 7 may remain in the bit buffer. - * The current inflate code requires 9 bits of lookahead. If the - * last two codes for the previous block (real code plus EOB) were coded - * on 5 bits or less, inflate may have only 5+3 bits of lookahead to decode - * the last real code. In this case we send two empty static blocks instead - * of one. (There are no problems if the previous block is stored or fixed.) - * To simplify the code, we assume the worst case of last real code encoded - * on one bit only. - */ -void _tr_align(s) -    deflate_state *s; -{ -    send_bits(s, STATIC_TREES<<1, 3); -    send_code(s, END_BLOCK, static_ltree); -#ifdef DEBUG -    s->compressed_len += 10L; /* 3 for block type, 7 for EOB */ -#endif -    bi_flush(s); -    /* Of the 10 bits for the empty block, we have already sent -     * (10 - bi_valid) bits. The lookahead for the last real code (before -     * the EOB of the previous block) was thus at least one plus the length -     * of the EOB plus what we have just sent of the empty static block. -     */ -    if (1 + s->last_eob_len + 10 - s->bi_valid < 9) { -        send_bits(s, STATIC_TREES<<1, 3); -        send_code(s, END_BLOCK, static_ltree); -#ifdef DEBUG -        s->compressed_len += 10L; -#endif -        bi_flush(s); -    } -    s->last_eob_len = 7; -} - -/* =========================================================================== - * Determine the best encoding for the current block: dynamic trees, static - * trees or store, and output the encoded block to the zip file. - */ -void _tr_flush_block(s, buf, stored_len, eof) -    deflate_state *s; -    charf *buf;       /* input block, or NULL if too old */ -    ulg stored_len;   /* length of input block */ -    int eof;          /* true if this is the last block for a file */ -{ -    ulg opt_lenb, static_lenb; /* opt_len and static_len in bytes */ -    int max_blindex = 0;  /* index of last bit length code of non zero freq */ - -    /* Build the Huffman trees unless a stored block is forced */ -    if (s->level > 0) { - -        /* Check if the file is binary or text */ -        if (stored_len > 0 && s->strm->data_type == Z_UNKNOWN) -            set_data_type(s); - -        /* Construct the literal and distance trees */ -        build_tree(s, (tree_desc *)(&(s->l_desc))); -        Tracev((stderr, "\nlit data: dyn %ld, stat %ld", s->opt_len, -                s->static_len)); - -        build_tree(s, (tree_desc *)(&(s->d_desc))); -        Tracev((stderr, "\ndist data: dyn %ld, stat %ld", s->opt_len, -                s->static_len)); -        /* At this point, opt_len and static_len are the total bit lengths of -         * the compressed block data, excluding the tree representations. -         */ - -        /* Build the bit length tree for the above two trees, and get the index -         * in bl_order of the last bit length code to send. -         */ -        max_blindex = build_bl_tree(s); - -        /* Determine the best encoding. Compute the block lengths in bytes. */ -        opt_lenb = (s->opt_len+3+7)>>3; -        static_lenb = (s->static_len+3+7)>>3; - -        Tracev((stderr, "\nopt %lu(%lu) stat %lu(%lu) stored %lu lit %u ", -                opt_lenb, s->opt_len, static_lenb, s->static_len, stored_len, -                s->last_lit)); - -        if (static_lenb <= opt_lenb) opt_lenb = static_lenb; - -    } else { -        Assert(buf != (char*)0, "lost buf"); -        opt_lenb = static_lenb = stored_len + 5; /* force a stored block */ -    } - -#ifdef FORCE_STORED -    if (buf != (char*)0) { /* force stored block */ -#else -    if (stored_len+4 <= opt_lenb && buf != (char*)0) { -                       /* 4: two words for the lengths */ -#endif -        /* The test buf != NULL is only necessary if LIT_BUFSIZE > WSIZE. -         * Otherwise we can't have processed more than WSIZE input bytes since -         * the last block flush, because compression would have been -         * successful. If LIT_BUFSIZE <= WSIZE, it is never too late to -         * transform a block into a stored block. -         */ -        _tr_stored_block(s, buf, stored_len, eof); - -#ifdef FORCE_STATIC -    } else if (static_lenb >= 0) { /* force static trees */ -#else -    } else if (s->strategy == Z_FIXED || static_lenb == opt_lenb) { -#endif -        send_bits(s, (STATIC_TREES<<1)+eof, 3); -        compress_block(s, (ct_data *)static_ltree, (ct_data *)static_dtree); -#ifdef DEBUG -        s->compressed_len += 3 + s->static_len; -#endif -    } else { -        send_bits(s, (DYN_TREES<<1)+eof, 3); -        send_all_trees(s, s->l_desc.max_code+1, s->d_desc.max_code+1, -                       max_blindex+1); -        compress_block(s, (ct_data *)s->dyn_ltree, (ct_data *)s->dyn_dtree); -#ifdef DEBUG -        s->compressed_len += 3 + s->opt_len; -#endif -    } -    Assert (s->compressed_len == s->bits_sent, "bad compressed size"); -    /* The above check is made mod 2^32, for files larger than 512 MB -     * and uLong implemented on 32 bits. -     */ -    init_block(s); - -    if (eof) { -        bi_windup(s); -#ifdef DEBUG -        s->compressed_len += 7;  /* align on byte boundary */ -#endif -    } -    Tracev((stderr,"\ncomprlen %lu(%lu) ", s->compressed_len>>3, -           s->compressed_len-7*eof)); -} - -/* =========================================================================== - * Save the match info and tally the frequency counts. Return true if - * the current block must be flushed. - */ -int _tr_tally (s, dist, lc) -    deflate_state *s; -    unsigned dist;  /* distance of matched string */ -    unsigned lc;    /* match length-MIN_MATCH or unmatched char (if dist==0) */ -{ -    s->d_buf[s->last_lit] = (ush)dist; -    s->l_buf[s->last_lit++] = (uch)lc; -    if (dist == 0) { -        /* lc is the unmatched char */ -        s->dyn_ltree[lc].Freq++; -    } else { -        s->matches++; -        /* Here, lc is the match length - MIN_MATCH */ -        dist--;             /* dist = match distance - 1 */ -        Assert((ush)dist < (ush)MAX_DIST(s) && -               (ush)lc <= (ush)(MAX_MATCH-MIN_MATCH) && -               (ush)d_code(dist) < (ush)D_CODES,  "_tr_tally: bad match"); - -        s->dyn_ltree[_length_code[lc]+LITERALS+1].Freq++; -        s->dyn_dtree[d_code(dist)].Freq++; -    } - -#ifdef TRUNCATE_BLOCK -    /* Try to guess if it is profitable to stop the current block here */ -    if ((s->last_lit & 0x1fff) == 0 && s->level > 2) { -        /* Compute an upper bound for the compressed length */ -        ulg out_length = (ulg)s->last_lit*8L; -        ulg in_length = (ulg)((long)s->strstart - s->block_start); -        int dcode; -        for (dcode = 0; dcode < D_CODES; dcode++) { -            out_length += (ulg)s->dyn_dtree[dcode].Freq * -                (5L+extra_dbits[dcode]); -        } -        out_length >>= 3; -        Tracev((stderr,"\nlast_lit %u, in %ld, out ~%ld(%ld%%) ", -               s->last_lit, in_length, out_length, -               100L - out_length*100L/in_length)); -        if (s->matches < s->last_lit/2 && out_length < in_length/2) return 1; -    } -#endif -    return (s->last_lit == s->lit_bufsize-1); -    /* We avoid equality with lit_bufsize because of wraparound at 64K -     * on 16 bit machines and because stored blocks are restricted to -     * 64K-1 bytes. -     */ -} - -/* =========================================================================== - * Send the block data compressed using the given Huffman trees - */ -local void compress_block(s, ltree, dtree) -    deflate_state *s; -    ct_data *ltree; /* literal tree */ -    ct_data *dtree; /* distance tree */ -{ -    unsigned dist;      /* distance of matched string */ -    int lc;             /* match length or unmatched char (if dist == 0) */ -    unsigned lx = 0;    /* running index in l_buf */ -    unsigned code;      /* the code to send */ -    int extra;          /* number of extra bits to send */ - -    if (s->last_lit != 0) do { -        dist = s->d_buf[lx]; -        lc = s->l_buf[lx++]; -        if (dist == 0) { -            send_code(s, lc, ltree); /* send a literal byte */ -            Tracecv(isgraph(lc), (stderr," '%c' ", lc)); -        } else { -            /* Here, lc is the match length - MIN_MATCH */ -            code = _length_code[lc]; -            send_code(s, code+LITERALS+1, ltree); /* send the length code */ -            extra = extra_lbits[code]; -            if (extra != 0) { -                lc -= base_length[code]; -                send_bits(s, lc, extra);       /* send the extra length bits */ -            } -            dist--; /* dist is now the match distance - 1 */ -            code = d_code(dist); -            Assert (code < D_CODES, "bad d_code"); - -            send_code(s, code, dtree);       /* send the distance code */ -            extra = extra_dbits[code]; -            if (extra != 0) { -                dist -= base_dist[code]; -                send_bits(s, dist, extra);   /* send the extra distance bits */ -            } -        } /* literal or match pair ? */ - -        /* Check that the overlay between pending_buf and d_buf+l_buf is ok: */ -        Assert((uInt)(s->pending) < s->lit_bufsize + 2*lx, -               "pendingBuf overflow"); - -    } while (lx < s->last_lit); - -    send_code(s, END_BLOCK, ltree); -    s->last_eob_len = ltree[END_BLOCK].Len; -} - -/* =========================================================================== - * Set the data type to BINARY or TEXT, using a crude approximation: - * set it to Z_TEXT if all symbols are either printable characters (33 to 255) - * or white spaces (9 to 13, or 32); or set it to Z_BINARY otherwise. - * IN assertion: the fields Freq of dyn_ltree are set. - */ -local void set_data_type(s) -    deflate_state *s; -{ -    int n; - -    for (n = 0; n < 9; n++) -        if (s->dyn_ltree[n].Freq != 0) -            break; -    if (n == 9) -        for (n = 14; n < 32; n++) -            if (s->dyn_ltree[n].Freq != 0) -                break; -    s->strm->data_type = (n == 32) ? Z_TEXT : Z_BINARY; -} - -/* =========================================================================== - * Reverse the first len bits of a code, using straightforward code (a faster - * method would use a table) - * IN assertion: 1 <= len <= 15 - */ -local unsigned bi_reverse(code, len) -    unsigned code; /* the value to invert */ -    int len;       /* its bit length */ -{ -    register unsigned res = 0; -    do { -        res |= code & 1; -        code >>= 1, res <<= 1; -    } while (--len > 0); -    return res >> 1; -} - -/* =========================================================================== - * Flush the bit buffer, keeping at most 7 bits in it. - */ -local void bi_flush(s) -    deflate_state *s; -{ -    if (s->bi_valid == 16) { -        put_short(s, s->bi_buf); -        s->bi_buf = 0; -        s->bi_valid = 0; -    } else if (s->bi_valid >= 8) { -        put_byte(s, (Byte)s->bi_buf); -        s->bi_buf >>= 8; -        s->bi_valid -= 8; -    } -} - -/* =========================================================================== - * Flush the bit buffer and align the output on a byte boundary - */ -local void bi_windup(s) -    deflate_state *s; -{ -    if (s->bi_valid > 8) { -        put_short(s, s->bi_buf); -    } else if (s->bi_valid > 0) { -        put_byte(s, (Byte)s->bi_buf); -    } -    s->bi_buf = 0; -    s->bi_valid = 0; -#ifdef DEBUG -    s->bits_sent = (s->bits_sent+7) & ~7; -#endif -} - -/* =========================================================================== - * Copy a stored block, storing first the length and its - * one's complement if requested. - */ -local void copy_block(s, buf, len, header) -    deflate_state *s; -    charf    *buf;    /* the input data */ -    unsigned len;     /* its length */ -    int      header;  /* true if block header must be written */ -{ -    bi_windup(s);        /* align on byte boundary */ -    s->last_eob_len = 8; /* enough lookahead for inflate */ - -    if (header) { -        put_short(s, (ush)len); -        put_short(s, (ush)~len); -#ifdef DEBUG -        s->bits_sent += 2*16; -#endif -    } -#ifdef DEBUG -    s->bits_sent += (ulg)len<<3; -#endif -    while (len--) { -        put_byte(s, *buf++); -    } -} diff --git a/3rdParty/ZLib/src/trees.h b/3rdParty/ZLib/src/trees.h deleted file mode 100644 index 72facf9..0000000 --- a/3rdParty/ZLib/src/trees.h +++ /dev/null @@ -1,128 +0,0 @@ -/* header created automatically with -DGEN_TREES_H */ - -local const ct_data static_ltree[L_CODES+2] = { -{{ 12},{  8}}, {{140},{  8}}, {{ 76},{  8}}, {{204},{  8}}, {{ 44},{  8}}, -{{172},{  8}}, {{108},{  8}}, {{236},{  8}}, {{ 28},{  8}}, {{156},{  8}}, -{{ 92},{  8}}, {{220},{  8}}, {{ 60},{  8}}, {{188},{  8}}, {{124},{  8}}, -{{252},{  8}}, {{  2},{  8}}, {{130},{  8}}, {{ 66},{  8}}, {{194},{  8}}, -{{ 34},{  8}}, {{162},{  8}}, {{ 98},{  8}}, {{226},{  8}}, {{ 18},{  8}}, -{{146},{  8}}, {{ 82},{  8}}, {{210},{  8}}, {{ 50},{  8}}, {{178},{  8}}, -{{114},{  8}}, {{242},{  8}}, {{ 10},{  8}}, {{138},{  8}}, {{ 74},{  8}}, -{{202},{  8}}, {{ 42},{  8}}, {{170},{  8}}, {{106},{  8}}, {{234},{  8}}, -{{ 26},{  8}}, {{154},{  8}}, {{ 90},{  8}}, {{218},{  8}}, {{ 58},{  8}}, -{{186},{  8}}, {{122},{  8}}, {{250},{  8}}, {{  6},{  8}}, {{134},{  8}}, -{{ 70},{  8}}, {{198},{  8}}, {{ 38},{  8}}, {{166},{  8}}, {{102},{  8}}, -{{230},{  8}}, {{ 22},{  8}}, {{150},{  8}}, {{ 86},{  8}}, {{214},{  8}}, -{{ 54},{  8}}, {{182},{  8}}, {{118},{  8}}, {{246},{  8}}, {{ 14},{  8}}, -{{142},{  8}}, {{ 78},{  8}}, {{206},{  8}}, {{ 46},{  8}}, {{174},{  8}}, -{{110},{  8}}, {{238},{  8}}, {{ 30},{  8}}, {{158},{  8}}, {{ 94},{  8}}, -{{222},{  8}}, {{ 62},{  8}}, {{190},{  8}}, {{126},{  8}}, {{254},{  8}}, -{{  1},{  8}}, {{129},{  8}}, {{ 65},{  8}}, {{193},{  8}}, {{ 33},{  8}}, -{{161},{  8}}, {{ 97},{  8}}, {{225},{  8}}, {{ 17},{  8}}, {{145},{  8}}, -{{ 81},{  8}}, {{209},{  8}}, {{ 49},{  8}}, {{177},{  8}}, {{113},{  8}}, -{{241},{  8}}, {{  9},{  8}}, {{137},{  8}}, {{ 73},{  8}}, {{201},{  8}}, -{{ 41},{  8}}, {{169},{  8}}, {{105},{  8}}, {{233},{  8}}, {{ 25},{  8}}, -{{153},{  8}}, {{ 89},{  8}}, {{217},{  8}}, {{ 57},{  8}}, {{185},{  8}}, -{{121},{  8}}, {{249},{  8}}, {{  5},{  8}}, {{133},{  8}}, {{ 69},{  8}}, -{{197},{  8}}, {{ 37},{  8}}, {{165},{  8}}, {{101},{  8}}, {{229},{  8}}, -{{ 21},{  8}}, {{149},{  8}}, {{ 85},{  8}}, {{213},{  8}}, {{ 53},{  8}}, -{{181},{  8}}, {{117},{  8}}, {{245},{  8}}, {{ 13},{  8}}, {{141},{  8}}, -{{ 77},{  8}}, {{205},{  8}}, {{ 45},{  8}}, {{173},{  8}}, {{109},{  8}}, -{{237},{  8}}, {{ 29},{  8}}, {{157},{  8}}, {{ 93},{  8}}, {{221},{  8}}, -{{ 61},{  8}}, {{189},{  8}}, {{125},{  8}}, {{253},{  8}}, {{ 19},{  9}}, -{{275},{  9}}, {{147},{  9}}, {{403},{  9}}, {{ 83},{  9}}, {{339},{  9}}, -{{211},{  9}}, {{467},{  9}}, {{ 51},{  9}}, {{307},{  9}}, {{179},{  9}}, -{{435},{  9}}, {{115},{  9}}, {{371},{  9}}, {{243},{  9}}, {{499},{  9}}, -{{ 11},{  9}}, {{267},{  9}}, {{139},{  9}}, {{395},{  9}}, {{ 75},{  9}}, -{{331},{  9}}, {{203},{  9}}, {{459},{  9}}, {{ 43},{  9}}, {{299},{  9}}, -{{171},{  9}}, {{427},{  9}}, {{107},{  9}}, {{363},{  9}}, {{235},{  9}}, -{{491},{  9}}, {{ 27},{  9}}, {{283},{  9}}, {{155},{  9}}, {{411},{  9}}, -{{ 91},{  9}}, {{347},{  9}}, {{219},{  9}}, {{475},{  9}}, {{ 59},{  9}}, -{{315},{  9}}, {{187},{  9}}, {{443},{  9}}, {{123},{  9}}, {{379},{  9}}, -{{251},{  9}}, {{507},{  9}}, {{  7},{  9}}, {{263},{  9}}, {{135},{  9}}, -{{391},{  9}}, {{ 71},{  9}}, {{327},{  9}}, {{199},{  9}}, {{455},{  9}}, -{{ 39},{  9}}, {{295},{  9}}, {{167},{  9}}, {{423},{  9}}, {{103},{  9}}, -{{359},{  9}}, {{231},{  9}}, {{487},{  9}}, {{ 23},{  9}}, {{279},{  9}}, -{{151},{  9}}, {{407},{  9}}, {{ 87},{  9}}, {{343},{  9}}, {{215},{  9}}, -{{471},{  9}}, {{ 55},{  9}}, {{311},{  9}}, {{183},{  9}}, {{439},{  9}}, -{{119},{  9}}, {{375},{  9}}, {{247},{  9}}, {{503},{  9}}, {{ 15},{  9}}, -{{271},{  9}}, {{143},{  9}}, {{399},{  9}}, {{ 79},{  9}}, {{335},{  9}}, -{{207},{  9}}, {{463},{  9}}, {{ 47},{  9}}, {{303},{  9}}, {{175},{  9}}, -{{431},{  9}}, {{111},{  9}}, {{367},{  9}}, {{239},{  9}}, {{495},{  9}}, -{{ 31},{  9}}, {{287},{  9}}, {{159},{  9}}, {{415},{  9}}, {{ 95},{  9}}, -{{351},{  9}}, {{223},{  9}}, {{479},{  9}}, {{ 63},{  9}}, {{319},{  9}}, -{{191},{  9}}, {{447},{  9}}, {{127},{  9}}, {{383},{  9}}, {{255},{  9}}, -{{511},{  9}}, {{  0},{  7}}, {{ 64},{  7}}, {{ 32},{  7}}, {{ 96},{  7}}, -{{ 16},{  7}}, {{ 80},{  7}}, {{ 48},{  7}}, {{112},{  7}}, {{  8},{  7}}, -{{ 72},{  7}}, {{ 40},{  7}}, {{104},{  7}}, {{ 24},{  7}}, {{ 88},{  7}}, -{{ 56},{  7}}, {{120},{  7}}, {{  4},{  7}}, {{ 68},{  7}}, {{ 36},{  7}}, -{{100},{  7}}, {{ 20},{  7}}, {{ 84},{  7}}, {{ 52},{  7}}, {{116},{  7}}, -{{  3},{  8}}, {{131},{  8}}, {{ 67},{  8}}, {{195},{  8}}, {{ 35},{  8}}, -{{163},{  8}}, {{ 99},{  8}}, {{227},{  8}} -}; - -local const ct_data static_dtree[D_CODES] = { -{{ 0},{ 5}}, {{16},{ 5}}, {{ 8},{ 5}}, {{24},{ 5}}, {{ 4},{ 5}}, -{{20},{ 5}}, {{12},{ 5}}, {{28},{ 5}}, {{ 2},{ 5}}, {{18},{ 5}}, -{{10},{ 5}}, {{26},{ 5}}, {{ 6},{ 5}}, {{22},{ 5}}, {{14},{ 5}}, -{{30},{ 5}}, {{ 1},{ 5}}, {{17},{ 5}}, {{ 9},{ 5}}, {{25},{ 5}}, -{{ 5},{ 5}}, {{21},{ 5}}, {{13},{ 5}}, {{29},{ 5}}, {{ 3},{ 5}}, -{{19},{ 5}}, {{11},{ 5}}, {{27},{ 5}}, {{ 7},{ 5}}, {{23},{ 5}} -}; - -const uch _dist_code[DIST_CODE_LEN] = { - 0,  1,  2,  3,  4,  4,  5,  5,  6,  6,  6,  6,  7,  7,  7,  7,  8,  8,  8,  8, - 8,  8,  8,  8,  9,  9,  9,  9,  9,  9,  9,  9, 10, 10, 10, 10, 10, 10, 10, 10, -10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, -11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, -12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, -13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, -13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, -14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, -14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, -14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, -15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, -15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, -15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,  0,  0, 16, 17, -18, 18, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22, -23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, -24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, -26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, -26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, -27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, -27, 27, 27, 27, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, -28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, -28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, -28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, -29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, -29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, -29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29 -}; - -const uch _length_code[MAX_MATCH-MIN_MATCH+1]= { - 0,  1,  2,  3,  4,  5,  6,  7,  8,  8,  9,  9, 10, 10, 11, 11, 12, 12, 12, 12, -13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, -17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, -19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, -21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22, -22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, -23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, -24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, -25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, -25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26, -26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, -26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, -27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28 -}; - -local const int base_length[LENGTH_CODES] = { -0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 28, 32, 40, 48, 56, -64, 80, 96, 112, 128, 160, 192, 224, 0 -}; - -local const int base_dist[D_CODES] = { -    0,     1,     2,     3,     4,     6,     8,    12,    16,    24, -   32,    48,    64,    96,   128,   192,   256,   384,   512,   768, - 1024,  1536,  2048,  3072,  4096,  6144,  8192, 12288, 16384, 24576 -}; - diff --git a/3rdParty/ZLib/src/uncompr.c b/3rdParty/ZLib/src/uncompr.c deleted file mode 100644 index b59e3d0..0000000 --- a/3rdParty/ZLib/src/uncompr.c +++ /dev/null @@ -1,61 +0,0 @@ -/* uncompr.c -- decompress a memory buffer - * Copyright (C) 1995-2003 Jean-loup Gailly. - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* @(#) $Id$ */ - -#define ZLIB_INTERNAL -#include "zlib.h" - -/* =========================================================================== -     Decompresses the source buffer into the destination buffer.  sourceLen is -   the byte length of the source buffer. Upon entry, destLen is the total -   size of the destination buffer, which must be large enough to hold the -   entire uncompressed data. (The size of the uncompressed data must have -   been saved previously by the compressor and transmitted to the decompressor -   by some mechanism outside the scope of this compression library.) -   Upon exit, destLen is the actual size of the compressed buffer. -     This function can be used to decompress a whole file at once if the -   input file is mmap'ed. - -     uncompress returns Z_OK if success, Z_MEM_ERROR if there was not -   enough memory, Z_BUF_ERROR if there was not enough room in the output -   buffer, or Z_DATA_ERROR if the input data was corrupted. -*/ -int ZEXPORT uncompress (dest, destLen, source, sourceLen) -    Bytef *dest; -    uLongf *destLen; -    const Bytef *source; -    uLong sourceLen; -{ -    z_stream stream; -    int err; - -    stream.next_in = (Bytef*)source; -    stream.avail_in = (uInt)sourceLen; -    /* Check for source > 64K on 16-bit machine: */ -    if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR; - -    stream.next_out = dest; -    stream.avail_out = (uInt)*destLen; -    if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR; - -    stream.zalloc = (alloc_func)0; -    stream.zfree = (free_func)0; - -    err = inflateInit(&stream); -    if (err != Z_OK) return err; - -    err = inflate(&stream, Z_FINISH); -    if (err != Z_STREAM_END) { -        inflateEnd(&stream); -        if (err == Z_NEED_DICT || (err == Z_BUF_ERROR && stream.avail_in == 0)) -            return Z_DATA_ERROR; -        return err; -    } -    *destLen = stream.total_out; - -    err = inflateEnd(&stream); -    return err; -} diff --git a/3rdParty/ZLib/src/zconf.h b/3rdParty/ZLib/src/zconf.h deleted file mode 100644 index 03a9431..0000000 --- a/3rdParty/ZLib/src/zconf.h +++ /dev/null @@ -1,332 +0,0 @@ -/* zconf.h -- configuration of the zlib compression library - * Copyright (C) 1995-2005 Jean-loup Gailly. - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* @(#) $Id$ */ - -#ifndef ZCONF_H -#define ZCONF_H - -/* - * If you *really* need a unique prefix for all types and library functions, - * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it. - */ -#ifdef Z_PREFIX -#  define deflateInit_          z_deflateInit_ -#  define deflate               z_deflate -#  define deflateEnd            z_deflateEnd -#  define inflateInit_          z_inflateInit_ -#  define inflate               z_inflate -#  define inflateEnd            z_inflateEnd -#  define deflateInit2_         z_deflateInit2_ -#  define deflateSetDictionary  z_deflateSetDictionary -#  define deflateCopy           z_deflateCopy -#  define deflateReset          z_deflateReset -#  define deflateParams         z_deflateParams -#  define deflateBound          z_deflateBound -#  define deflatePrime          z_deflatePrime -#  define inflateInit2_         z_inflateInit2_ -#  define inflateSetDictionary  z_inflateSetDictionary -#  define inflateSync           z_inflateSync -#  define inflateSyncPoint      z_inflateSyncPoint -#  define inflateCopy           z_inflateCopy -#  define inflateReset          z_inflateReset -#  define inflateBack           z_inflateBack -#  define inflateBackEnd        z_inflateBackEnd -#  define compress              z_compress -#  define compress2             z_compress2 -#  define compressBound         z_compressBound -#  define uncompress            z_uncompress -#  define adler32               z_adler32 -#  define crc32                 z_crc32 -#  define get_crc_table         z_get_crc_table -#  define zError                z_zError - -#  define alloc_func            z_alloc_func -#  define free_func             z_free_func -#  define in_func               z_in_func -#  define out_func              z_out_func -#  define Byte                  z_Byte -#  define uInt                  z_uInt -#  define uLong                 z_uLong -#  define Bytef                 z_Bytef -#  define charf                 z_charf -#  define intf                  z_intf -#  define uIntf                 z_uIntf -#  define uLongf                z_uLongf -#  define voidpf                z_voidpf -#  define voidp                 z_voidp -#endif - -#if defined(__MSDOS__) && !defined(MSDOS) -#  define MSDOS -#endif -#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2) -#  define OS2 -#endif -#if defined(_WINDOWS) && !defined(WINDOWS) -#  define WINDOWS -#endif -#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__) -#  ifndef WIN32 -#    define WIN32 -#  endif -#endif -#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32) -#  if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__) -#    ifndef SYS16BIT -#      define SYS16BIT -#    endif -#  endif -#endif - -/* - * Compile with -DMAXSEG_64K if the alloc function cannot allocate more - * than 64k bytes at a time (needed on systems with 16-bit int). - */ -#ifdef SYS16BIT -#  define MAXSEG_64K -#endif -#ifdef MSDOS -#  define UNALIGNED_OK -#endif - -#ifdef __STDC_VERSION__ -#  ifndef STDC -#    define STDC -#  endif -#  if __STDC_VERSION__ >= 199901L -#    ifndef STDC99 -#      define STDC99 -#    endif -#  endif -#endif -#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus)) -#  define STDC -#endif -#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__)) -#  define STDC -#endif -#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32)) -#  define STDC -#endif -#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__)) -#  define STDC -#endif - -#if defined(__OS400__) && !defined(STDC)    /* iSeries (formerly AS/400). */ -#  define STDC -#endif - -#ifndef STDC -#  ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */ -#    define const       /* note: need a more gentle solution here */ -#  endif -#endif - -/* Some Mac compilers merge all .h files incorrectly: */ -#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__) -#  define NO_DUMMY_DECL -#endif - -/* Maximum value for memLevel in deflateInit2 */ -#ifndef MAX_MEM_LEVEL -#  ifdef MAXSEG_64K -#    define MAX_MEM_LEVEL 8 -#  else -#    define MAX_MEM_LEVEL 9 -#  endif -#endif - -/* Maximum value for windowBits in deflateInit2 and inflateInit2. - * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files - * created by gzip. (Files created by minigzip can still be extracted by - * gzip.) - */ -#ifndef MAX_WBITS -#  define MAX_WBITS   15 /* 32K LZ77 window */ -#endif - -/* The memory requirements for deflate are (in bytes): -            (1 << (windowBits+2)) +  (1 << (memLevel+9)) - that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values) - plus a few kilobytes for small objects. For example, if you want to reduce - the default memory requirements from 256K to 128K, compile with -     make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7" - Of course this will generally degrade compression (there's no free lunch). - -   The memory requirements for inflate are (in bytes) 1 << windowBits - that is, 32K for windowBits=15 (default value) plus a few kilobytes - for small objects. -*/ - -                        /* Type declarations */ - -#ifndef OF /* function prototypes */ -#  ifdef STDC -#    define OF(args)  args -#  else -#    define OF(args)  () -#  endif -#endif - -/* The following definitions for FAR are needed only for MSDOS mixed - * model programming (small or medium model with some far allocations). - * This was tested only with MSC; for other MSDOS compilers you may have - * to define NO_MEMCPY in zutil.h.  If you don't need the mixed model, - * just define FAR to be empty. - */ -#ifdef SYS16BIT -#  if defined(M_I86SM) || defined(M_I86MM) -     /* MSC small or medium model */ -#    define SMALL_MEDIUM -#    ifdef _MSC_VER -#      define FAR _far -#    else -#      define FAR far -#    endif -#  endif -#  if (defined(__SMALL__) || defined(__MEDIUM__)) -     /* Turbo C small or medium model */ -#    define SMALL_MEDIUM -#    ifdef __BORLANDC__ -#      define FAR _far -#    else -#      define FAR far -#    endif -#  endif -#endif - -#if defined(WINDOWS) || defined(WIN32) -   /* If building or using zlib as a DLL, define ZLIB_DLL. -    * This is not mandatory, but it offers a little performance increase. -    */ -#  ifdef ZLIB_DLL -#    if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500)) -#      ifdef ZLIB_INTERNAL -#        define ZEXTERN extern __declspec(dllexport) -#      else -#        define ZEXTERN extern __declspec(dllimport) -#      endif -#    endif -#  endif  /* ZLIB_DLL */ -   /* If building or using zlib with the WINAPI/WINAPIV calling convention, -    * define ZLIB_WINAPI. -    * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI. -    */ -#  ifdef ZLIB_WINAPI -#    ifdef FAR -#      undef FAR -#    endif -#    include <windows.h> -     /* No need for _export, use ZLIB.DEF instead. */ -     /* For complete Windows compatibility, use WINAPI, not __stdcall. */ -#    define ZEXPORT WINAPI -#    ifdef WIN32 -#      define ZEXPORTVA WINAPIV -#    else -#      define ZEXPORTVA FAR CDECL -#    endif -#  endif -#endif - -#if defined (__BEOS__) -#  ifdef ZLIB_DLL -#    ifdef ZLIB_INTERNAL -#      define ZEXPORT   __declspec(dllexport) -#      define ZEXPORTVA __declspec(dllexport) -#    else -#      define ZEXPORT   __declspec(dllimport) -#      define ZEXPORTVA __declspec(dllimport) -#    endif -#  endif -#endif - -#ifndef ZEXTERN -#  define ZEXTERN extern -#endif -#ifndef ZEXPORT -#  define ZEXPORT -#endif -#ifndef ZEXPORTVA -#  define ZEXPORTVA -#endif - -#ifndef FAR -#  define FAR -#endif - -#if !defined(__MACTYPES__) -typedef unsigned char  Byte;  /* 8 bits */ -#endif -typedef unsigned int   uInt;  /* 16 bits or more */ -typedef unsigned long  uLong; /* 32 bits or more */ - -#ifdef SMALL_MEDIUM -   /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */ -#  define Bytef Byte FAR -#else -   typedef Byte  FAR Bytef; -#endif -typedef char  FAR charf; -typedef int   FAR intf; -typedef uInt  FAR uIntf; -typedef uLong FAR uLongf; - -#ifdef STDC -   typedef void const *voidpc; -   typedef void FAR   *voidpf; -   typedef void       *voidp; -#else -   typedef Byte const *voidpc; -   typedef Byte FAR   *voidpf; -   typedef Byte       *voidp; -#endif - -#if 0           /* HAVE_UNISTD_H -- this line is updated by ./configure */ -#  include <sys/types.h> /* for off_t */ -#  include <unistd.h>    /* for SEEK_* and off_t */ -#  ifdef VMS -#    include <unixio.h>   /* for off_t */ -#  endif -#  define z_off_t off_t -#endif -#ifndef SEEK_SET -#  define SEEK_SET        0       /* Seek from beginning of file.  */ -#  define SEEK_CUR        1       /* Seek from current position.  */ -#  define SEEK_END        2       /* Set file pointer to EOF plus "offset" */ -#endif -#ifndef z_off_t -#  define z_off_t long -#endif - -#if defined(__OS400__) -#  define NO_vsnprintf -#endif - -#if defined(__MVS__) -#  define NO_vsnprintf -#  ifdef FAR -#    undef FAR -#  endif -#endif - -/* MVS linker does not support external names larger than 8 bytes */ -#if defined(__MVS__) -#   pragma map(deflateInit_,"DEIN") -#   pragma map(deflateInit2_,"DEIN2") -#   pragma map(deflateEnd,"DEEND") -#   pragma map(deflateBound,"DEBND") -#   pragma map(inflateInit_,"ININ") -#   pragma map(inflateInit2_,"ININ2") -#   pragma map(inflateEnd,"INEND") -#   pragma map(inflateSync,"INSY") -#   pragma map(inflateSetDictionary,"INSEDI") -#   pragma map(compressBound,"CMBND") -#   pragma map(inflate_table,"INTABL") -#   pragma map(inflate_fast,"INFA") -#   pragma map(inflate_copyright,"INCOPY") -#endif - -#endif /* ZCONF_H */ diff --git a/3rdParty/ZLib/src/zlib.h b/3rdParty/ZLib/src/zlib.h deleted file mode 100644 index 0228179..0000000 --- a/3rdParty/ZLib/src/zlib.h +++ /dev/null @@ -1,1357 +0,0 @@ -/* zlib.h -- interface of the 'zlib' general purpose compression library -  version 1.2.3, July 18th, 2005 - -  Copyright (C) 1995-2005 Jean-loup Gailly and Mark Adler - -  This software is provided 'as-is', without any express or implied -  warranty.  In no event will the authors be held liable for any damages -  arising from the use of this software. - -  Permission is granted to anyone to use this software for any purpose, -  including commercial applications, and to alter it and redistribute it -  freely, subject to the following restrictions: - -  1. The origin of this software must not be misrepresented; you must not -     claim that you wrote the original software. If you use this software -     in a product, an acknowledgment in the product documentation would be -     appreciated but is not required. -  2. Altered source versions must be plainly marked as such, and must not be -     misrepresented as being the original software. -  3. This notice may not be removed or altered from any source distribution. - -  Jean-loup Gailly        Mark Adler -  jloup@gzip.org          madler@alumni.caltech.edu - - -  The data format used by the zlib library is described by RFCs (Request for -  Comments) 1950 to 1952 in the files http://www.ietf.org/rfc/rfc1950.txt -  (zlib format), rfc1951.txt (deflate format) and rfc1952.txt (gzip format). -*/ - -#ifndef ZLIB_H -#define ZLIB_H - -#include "zconf.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#define ZLIB_VERSION "1.2.3" -#define ZLIB_VERNUM 0x1230 - -/* -     The 'zlib' compression library provides in-memory compression and -  decompression functions, including integrity checks of the uncompressed -  data.  This version of the library supports only one compression method -  (deflation) but other algorithms will be added later and will have the same -  stream interface. - -     Compression can be done in a single step if the buffers are large -  enough (for example if an input file is mmap'ed), or can be done by -  repeated calls of the compression function.  In the latter case, the -  application must provide more input and/or consume the output -  (providing more output space) before each call. - -     The compressed data format used by default by the in-memory functions is -  the zlib format, which is a zlib wrapper documented in RFC 1950, wrapped -  around a deflate stream, which is itself documented in RFC 1951. - -     The library also supports reading and writing files in gzip (.gz) format -  with an interface similar to that of stdio using the functions that start -  with "gz".  The gzip format is different from the zlib format.  gzip is a -  gzip wrapper, documented in RFC 1952, wrapped around a deflate stream. - -     This library can optionally read and write gzip streams in memory as well. - -     The zlib format was designed to be compact and fast for use in memory -  and on communications channels.  The gzip format was designed for single- -  file compression on file systems, has a larger header than zlib to maintain -  directory information, and uses a different, slower check method than zlib. - -     The library does not install any signal handler. The decoder checks -  the consistency of the compressed data, so the library should never -  crash even in case of corrupted input. -*/ - -typedef voidpf (*alloc_func) OF((voidpf opaque, uInt items, uInt size)); -typedef void   (*free_func)  OF((voidpf opaque, voidpf address)); - -struct internal_state; - -typedef struct z_stream_s { -    Bytef    *next_in;  /* next input byte */ -    uInt     avail_in;  /* number of bytes available at next_in */ -    uLong    total_in;  /* total nb of input bytes read so far */ - -    Bytef    *next_out; /* next output byte should be put there */ -    uInt     avail_out; /* remaining free space at next_out */ -    uLong    total_out; /* total nb of bytes output so far */ - -    char     *msg;      /* last error message, NULL if no error */ -    struct internal_state FAR *state; /* not visible by applications */ - -    alloc_func zalloc;  /* used to allocate the internal state */ -    free_func  zfree;   /* used to free the internal state */ -    voidpf     opaque;  /* private data object passed to zalloc and zfree */ - -    int     data_type;  /* best guess about the data type: binary or text */ -    uLong   adler;      /* adler32 value of the uncompressed data */ -    uLong   reserved;   /* reserved for future use */ -} z_stream; - -typedef z_stream FAR *z_streamp; - -/* -     gzip header information passed to and from zlib routines.  See RFC 1952 -  for more details on the meanings of these fields. -*/ -typedef struct gz_header_s { -    int     text;       /* true if compressed data believed to be text */ -    uLong   time;       /* modification time */ -    int     xflags;     /* extra flags (not used when writing a gzip file) */ -    int     os;         /* operating system */ -    Bytef   *extra;     /* pointer to extra field or Z_NULL if none */ -    uInt    extra_len;  /* extra field length (valid if extra != Z_NULL) */ -    uInt    extra_max;  /* space at extra (only when reading header) */ -    Bytef   *name;      /* pointer to zero-terminated file name or Z_NULL */ -    uInt    name_max;   /* space at name (only when reading header) */ -    Bytef   *comment;   /* pointer to zero-terminated comment or Z_NULL */ -    uInt    comm_max;   /* space at comment (only when reading header) */ -    int     hcrc;       /* true if there was or will be a header crc */ -    int     done;       /* true when done reading gzip header (not used -                           when writing a gzip file) */ -} gz_header; - -typedef gz_header FAR *gz_headerp; - -/* -   The application must update next_in and avail_in when avail_in has -   dropped to zero. It must update next_out and avail_out when avail_out -   has dropped to zero. The application must initialize zalloc, zfree and -   opaque before calling the init function. All other fields are set by the -   compression library and must not be updated by the application. - -   The opaque value provided by the application will be passed as the first -   parameter for calls of zalloc and zfree. This can be useful for custom -   memory management. The compression library attaches no meaning to the -   opaque value. - -   zalloc must return Z_NULL if there is not enough memory for the object. -   If zlib is used in a multi-threaded application, zalloc and zfree must be -   thread safe. - -   On 16-bit systems, the functions zalloc and zfree must be able to allocate -   exactly 65536 bytes, but will not be required to allocate more than this -   if the symbol MAXSEG_64K is defined (see zconf.h). WARNING: On MSDOS, -   pointers returned by zalloc for objects of exactly 65536 bytes *must* -   have their offset normalized to zero. The default allocation function -   provided by this library ensures this (see zutil.c). To reduce memory -   requirements and avoid any allocation of 64K objects, at the expense of -   compression ratio, compile the library with -DMAX_WBITS=14 (see zconf.h). - -   The fields total_in and total_out can be used for statistics or -   progress reports. After compression, total_in holds the total size of -   the uncompressed data and may be saved for use in the decompressor -   (particularly if the decompressor wants to decompress everything in -   a single step). -*/ - -                        /* constants */ - -#define Z_NO_FLUSH      0 -#define Z_PARTIAL_FLUSH 1 /* will be removed, use Z_SYNC_FLUSH instead */ -#define Z_SYNC_FLUSH    2 -#define Z_FULL_FLUSH    3 -#define Z_FINISH        4 -#define Z_BLOCK         5 -/* Allowed flush values; see deflate() and inflate() below for details */ - -#define Z_OK            0 -#define Z_STREAM_END    1 -#define Z_NEED_DICT     2 -#define Z_ERRNO        (-1) -#define Z_STREAM_ERROR (-2) -#define Z_DATA_ERROR   (-3) -#define Z_MEM_ERROR    (-4) -#define Z_BUF_ERROR    (-5) -#define Z_VERSION_ERROR (-6) -/* Return codes for the compression/decompression functions. Negative - * values are errors, positive values are used for special but normal events. - */ - -#define Z_NO_COMPRESSION         0 -#define Z_BEST_SPEED             1 -#define Z_BEST_COMPRESSION       9 -#define Z_DEFAULT_COMPRESSION  (-1) -/* compression levels */ - -#define Z_FILTERED            1 -#define Z_HUFFMAN_ONLY        2 -#define Z_RLE                 3 -#define Z_FIXED               4 -#define Z_DEFAULT_STRATEGY    0 -/* compression strategy; see deflateInit2() below for details */ - -#define Z_BINARY   0 -#define Z_TEXT     1 -#define Z_ASCII    Z_TEXT   /* for compatibility with 1.2.2 and earlier */ -#define Z_UNKNOWN  2 -/* Possible values of the data_type field (though see inflate()) */ - -#define Z_DEFLATED   8 -/* The deflate compression method (the only one supported in this version) */ - -#define Z_NULL  0  /* for initializing zalloc, zfree, opaque */ - -#define zlib_version zlibVersion() -/* for compatibility with versions < 1.0.2 */ - -                        /* basic functions */ - -ZEXTERN const char * ZEXPORT zlibVersion OF((void)); -/* The application can compare zlibVersion and ZLIB_VERSION for consistency. -   If the first character differs, the library code actually used is -   not compatible with the zlib.h header file used by the application. -   This check is automatically made by deflateInit and inflateInit. - */ - -/* -ZEXTERN int ZEXPORT deflateInit OF((z_streamp strm, int level)); - -     Initializes the internal stream state for compression. The fields -   zalloc, zfree and opaque must be initialized before by the caller. -   If zalloc and zfree are set to Z_NULL, deflateInit updates them to -   use default allocation functions. - -     The compression level must be Z_DEFAULT_COMPRESSION, or between 0 and 9: -   1 gives best speed, 9 gives best compression, 0 gives no compression at -   all (the input data is simply copied a block at a time). -   Z_DEFAULT_COMPRESSION requests a default compromise between speed and -   compression (currently equivalent to level 6). - -     deflateInit returns Z_OK if success, Z_MEM_ERROR if there was not -   enough memory, Z_STREAM_ERROR if level is not a valid compression level, -   Z_VERSION_ERROR if the zlib library version (zlib_version) is incompatible -   with the version assumed by the caller (ZLIB_VERSION). -   msg is set to null if there is no error message.  deflateInit does not -   perform any compression: this will be done by deflate(). -*/ - - -ZEXTERN int ZEXPORT deflate OF((z_streamp strm, int flush)); -/* -    deflate compresses as much data as possible, and stops when the input -  buffer becomes empty or the output buffer becomes full. It may introduce some -  output latency (reading input without producing any output) except when -  forced to flush. - -    The detailed semantics are as follows. deflate performs one or both of the -  following actions: - -  - Compress more input starting at next_in and update next_in and avail_in -    accordingly. If not all input can be processed (because there is not -    enough room in the output buffer), next_in and avail_in are updated and -    processing will resume at this point for the next call of deflate(). - -  - Provide more output starting at next_out and update next_out and avail_out -    accordingly. This action is forced if the parameter flush is non zero. -    Forcing flush frequently degrades the compression ratio, so this parameter -    should be set only when necessary (in interactive applications). -    Some output may be provided even if flush is not set. - -  Before the call of deflate(), the application should ensure that at least -  one of the actions is possible, by providing more input and/or consuming -  more output, and updating avail_in or avail_out accordingly; avail_out -  should never be zero before the call. The application can consume the -  compressed output when it wants, for example when the output buffer is full -  (avail_out == 0), or after each call of deflate(). If deflate returns Z_OK -  and with zero avail_out, it must be called again after making room in the -  output buffer because there might be more output pending. - -    Normally the parameter flush is set to Z_NO_FLUSH, which allows deflate to -  decide how much data to accumualte before producing output, in order to -  maximize compression. - -    If the parameter flush is set to Z_SYNC_FLUSH, all pending output is -  flushed to the output buffer and the output is aligned on a byte boundary, so -  that the decompressor can get all input data available so far. (In particular -  avail_in is zero after the call if enough output space has been provided -  before the call.)  Flushing may degrade compression for some compression -  algorithms and so it should be used only when necessary. - -    If flush is set to Z_FULL_FLUSH, all output is flushed as with -  Z_SYNC_FLUSH, and the compression state is reset so that decompression can -  restart from this point if previous compressed data has been damaged or if -  random access is desired. Using Z_FULL_FLUSH too often can seriously degrade -  compression. - -    If deflate returns with avail_out == 0, this function must be called again -  with the same value of the flush parameter and more output space (updated -  avail_out), until the flush is complete (deflate returns with non-zero -  avail_out). In the case of a Z_FULL_FLUSH or Z_SYNC_FLUSH, make sure that -  avail_out is greater than six to avoid repeated flush markers due to -  avail_out == 0 on return. - -    If the parameter flush is set to Z_FINISH, pending input is processed, -  pending output is flushed and deflate returns with Z_STREAM_END if there -  was enough output space; if deflate returns with Z_OK, this function must be -  called again with Z_FINISH and more output space (updated avail_out) but no -  more input data, until it returns with Z_STREAM_END or an error. After -  deflate has returned Z_STREAM_END, the only possible operations on the -  stream are deflateReset or deflateEnd. - -    Z_FINISH can be used immediately after deflateInit if all the compression -  is to be done in a single step. In this case, avail_out must be at least -  the value returned by deflateBound (see below). If deflate does not return -  Z_STREAM_END, then it must be called again as described above. - -    deflate() sets strm->adler to the adler32 checksum of all input read -  so far (that is, total_in bytes). - -    deflate() may update strm->data_type if it can make a good guess about -  the input data type (Z_BINARY or Z_TEXT). In doubt, the data is considered -  binary. This field is only for information purposes and does not affect -  the compression algorithm in any manner. - -    deflate() returns Z_OK if some progress has been made (more input -  processed or more output produced), Z_STREAM_END if all input has been -  consumed and all output has been produced (only when flush is set to -  Z_FINISH), Z_STREAM_ERROR if the stream state was inconsistent (for example -  if next_in or next_out was NULL), Z_BUF_ERROR if no progress is possible -  (for example avail_in or avail_out was zero). Note that Z_BUF_ERROR is not -  fatal, and deflate() can be called again with more input and more output -  space to continue compressing. -*/ - - -ZEXTERN int ZEXPORT deflateEnd OF((z_streamp strm)); -/* -     All dynamically allocated data structures for this stream are freed. -   This function discards any unprocessed input and does not flush any -   pending output. - -     deflateEnd returns Z_OK if success, Z_STREAM_ERROR if the -   stream state was inconsistent, Z_DATA_ERROR if the stream was freed -   prematurely (some input or output was discarded). In the error case, -   msg may be set but then points to a static string (which must not be -   deallocated). -*/ - - -/* -ZEXTERN int ZEXPORT inflateInit OF((z_streamp strm)); - -     Initializes the internal stream state for decompression. The fields -   next_in, avail_in, zalloc, zfree and opaque must be initialized before by -   the caller. If next_in is not Z_NULL and avail_in is large enough (the exact -   value depends on the compression method), inflateInit determines the -   compression method from the zlib header and allocates all data structures -   accordingly; otherwise the allocation will be deferred to the first call of -   inflate.  If zalloc and zfree are set to Z_NULL, inflateInit updates them to -   use default allocation functions. - -     inflateInit returns Z_OK if success, Z_MEM_ERROR if there was not enough -   memory, Z_VERSION_ERROR if the zlib library version is incompatible with the -   version assumed by the caller.  msg is set to null if there is no error -   message. inflateInit does not perform any decompression apart from reading -   the zlib header if present: this will be done by inflate().  (So next_in and -   avail_in may be modified, but next_out and avail_out are unchanged.) -*/ - - -ZEXTERN int ZEXPORT inflate OF((z_streamp strm, int flush)); -/* -    inflate decompresses as much data as possible, and stops when the input -  buffer becomes empty or the output buffer becomes full. It may introduce -  some output latency (reading input without producing any output) except when -  forced to flush. - -  The detailed semantics are as follows. inflate performs one or both of the -  following actions: - -  - Decompress more input starting at next_in and update next_in and avail_in -    accordingly. If not all input can be processed (because there is not -    enough room in the output buffer), next_in is updated and processing -    will resume at this point for the next call of inflate(). - -  - Provide more output starting at next_out and update next_out and avail_out -    accordingly.  inflate() provides as much output as possible, until there -    is no more input data or no more space in the output buffer (see below -    about the flush parameter). - -  Before the call of inflate(), the application should ensure that at least -  one of the actions is possible, by providing more input and/or consuming -  more output, and updating the next_* and avail_* values accordingly. -  The application can consume the uncompressed output when it wants, for -  example when the output buffer is full (avail_out == 0), or after each -  call of inflate(). If inflate returns Z_OK and with zero avail_out, it -  must be called again after making room in the output buffer because there -  might be more output pending. - -    The flush parameter of inflate() can be Z_NO_FLUSH, Z_SYNC_FLUSH, -  Z_FINISH, or Z_BLOCK. Z_SYNC_FLUSH requests that inflate() flush as much -  output as possible to the output buffer. Z_BLOCK requests that inflate() stop -  if and when it gets to the next deflate block boundary. When decoding the -  zlib or gzip format, this will cause inflate() to return immediately after -  the header and before the first block. When doing a raw inflate, inflate() -  will go ahead and process the first block, and will return when it gets to -  the end of that block, or when it runs out of data. - -    The Z_BLOCK option assists in appending to or combining deflate streams. -  Also to assist in this, on return inflate() will set strm->data_type to the -  number of unused bits in the last byte taken from strm->next_in, plus 64 -  if inflate() is currently decoding the last block in the deflate stream, -  plus 128 if inflate() returned immediately after decoding an end-of-block -  code or decoding the complete header up to just before the first byte of the -  deflate stream. The end-of-block will not be indicated until all of the -  uncompressed data from that block has been written to strm->next_out.  The -  number of unused bits may in general be greater than seven, except when -  bit 7 of data_type is set, in which case the number of unused bits will be -  less than eight. - -    inflate() should normally be called until it returns Z_STREAM_END or an -  error. However if all decompression is to be performed in a single step -  (a single call of inflate), the parameter flush should be set to -  Z_FINISH. In this case all pending input is processed and all pending -  output is flushed; avail_out must be large enough to hold all the -  uncompressed data. (The size of the uncompressed data may have been saved -  by the compressor for this purpose.) The next operation on this stream must -  be inflateEnd to deallocate the decompression state. The use of Z_FINISH -  is never required, but can be used to inform inflate that a faster approach -  may be used for the single inflate() call. - -     In this implementation, inflate() always flushes as much output as -  possible to the output buffer, and always uses the faster approach on the -  first call. So the only effect of the flush parameter in this implementation -  is on the return value of inflate(), as noted below, or when it returns early -  because Z_BLOCK is used. - -     If a preset dictionary is needed after this call (see inflateSetDictionary -  below), inflate sets strm->adler to the adler32 checksum of the dictionary -  chosen by the compressor and returns Z_NEED_DICT; otherwise it sets -  strm->adler to the adler32 checksum of all output produced so far (that is, -  total_out bytes) and returns Z_OK, Z_STREAM_END or an error code as described -  below. At the end of the stream, inflate() checks that its computed adler32 -  checksum is equal to that saved by the compressor and returns Z_STREAM_END -  only if the checksum is correct. - -    inflate() will decompress and check either zlib-wrapped or gzip-wrapped -  deflate data.  The header type is detected automatically.  Any information -  contained in the gzip header is not retained, so applications that need that -  information should instead use raw inflate, see inflateInit2() below, or -  inflateBack() and perform their own processing of the gzip header and -  trailer. - -    inflate() returns Z_OK if some progress has been made (more input processed -  or more output produced), Z_STREAM_END if the end of the compressed data has -  been reached and all uncompressed output has been produced, Z_NEED_DICT if a -  preset dictionary is needed at this point, Z_DATA_ERROR if the input data was -  corrupted (input stream not conforming to the zlib format or incorrect check -  value), Z_STREAM_ERROR if the stream structure was inconsistent (for example -  if next_in or next_out was NULL), Z_MEM_ERROR if there was not enough memory, -  Z_BUF_ERROR if no progress is possible or if there was not enough room in the -  output buffer when Z_FINISH is used. Note that Z_BUF_ERROR is not fatal, and -  inflate() can be called again with more input and more output space to -  continue decompressing. If Z_DATA_ERROR is returned, the application may then -  call inflateSync() to look for a good compression block if a partial recovery -  of the data is desired. -*/ - - -ZEXTERN int ZEXPORT inflateEnd OF((z_streamp strm)); -/* -     All dynamically allocated data structures for this stream are freed. -   This function discards any unprocessed input and does not flush any -   pending output. - -     inflateEnd returns Z_OK if success, Z_STREAM_ERROR if the stream state -   was inconsistent. In the error case, msg may be set but then points to a -   static string (which must not be deallocated). -*/ - -                        /* Advanced functions */ - -/* -    The following functions are needed only in some special applications. -*/ - -/* -ZEXTERN int ZEXPORT deflateInit2 OF((z_streamp strm, -                                     int  level, -                                     int  method, -                                     int  windowBits, -                                     int  memLevel, -                                     int  strategy)); - -     This is another version of deflateInit with more compression options. The -   fields next_in, zalloc, zfree and opaque must be initialized before by -   the caller. - -     The method parameter is the compression method. It must be Z_DEFLATED in -   this version of the library. - -     The windowBits parameter is the base two logarithm of the window size -   (the size of the history buffer). It should be in the range 8..15 for this -   version of the library. Larger values of this parameter result in better -   compression at the expense of memory usage. The default value is 15 if -   deflateInit is used instead. - -     windowBits can also be -8..-15 for raw deflate. In this case, -windowBits -   determines the window size. deflate() will then generate raw deflate data -   with no zlib header or trailer, and will not compute an adler32 check value. - -     windowBits can also be greater than 15 for optional gzip encoding. Add -   16 to windowBits to write a simple gzip header and trailer around the -   compressed data instead of a zlib wrapper. The gzip header will have no -   file name, no extra data, no comment, no modification time (set to zero), -   no header crc, and the operating system will be set to 255 (unknown).  If a -   gzip stream is being written, strm->adler is a crc32 instead of an adler32. - -     The memLevel parameter specifies how much memory should be allocated -   for the internal compression state. memLevel=1 uses minimum memory but -   is slow and reduces compression ratio; memLevel=9 uses maximum memory -   for optimal speed. The default value is 8. See zconf.h for total memory -   usage as a function of windowBits and memLevel. - -     The strategy parameter is used to tune the compression algorithm. Use the -   value Z_DEFAULT_STRATEGY for normal data, Z_FILTERED for data produced by a -   filter (or predictor), Z_HUFFMAN_ONLY to force Huffman encoding only (no -   string match), or Z_RLE to limit match distances to one (run-length -   encoding). Filtered data consists mostly of small values with a somewhat -   random distribution. In this case, the compression algorithm is tuned to -   compress them better. The effect of Z_FILTERED is to force more Huffman -   coding and less string matching; it is somewhat intermediate between -   Z_DEFAULT and Z_HUFFMAN_ONLY. Z_RLE is designed to be almost as fast as -   Z_HUFFMAN_ONLY, but give better compression for PNG image data. The strategy -   parameter only affects the compression ratio but not the correctness of the -   compressed output even if it is not set appropriately.  Z_FIXED prevents the -   use of dynamic Huffman codes, allowing for a simpler decoder for special -   applications. - -      deflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough -   memory, Z_STREAM_ERROR if a parameter is invalid (such as an invalid -   method). msg is set to null if there is no error message.  deflateInit2 does -   not perform any compression: this will be done by deflate(). -*/ - -ZEXTERN int ZEXPORT deflateSetDictionary OF((z_streamp strm, -                                             const Bytef *dictionary, -                                             uInt  dictLength)); -/* -     Initializes the compression dictionary from the given byte sequence -   without producing any compressed output. This function must be called -   immediately after deflateInit, deflateInit2 or deflateReset, before any -   call of deflate. The compressor and decompressor must use exactly the same -   dictionary (see inflateSetDictionary). - -     The dictionary should consist of strings (byte sequences) that are likely -   to be encountered later in the data to be compressed, with the most commonly -   used strings preferably put towards the end of the dictionary. Using a -   dictionary is most useful when the data to be compressed is short and can be -   predicted with good accuracy; the data can then be compressed better than -   with the default empty dictionary. - -     Depending on the size of the compression data structures selected by -   deflateInit or deflateInit2, a part of the dictionary may in effect be -   discarded, for example if the dictionary is larger than the window size in -   deflate or deflate2. Thus the strings most likely to be useful should be -   put at the end of the dictionary, not at the front. In addition, the -   current implementation of deflate will use at most the window size minus -   262 bytes of the provided dictionary. - -     Upon return of this function, strm->adler is set to the adler32 value -   of the dictionary; the decompressor may later use this value to determine -   which dictionary has been used by the compressor. (The adler32 value -   applies to the whole dictionary even if only a subset of the dictionary is -   actually used by the compressor.) If a raw deflate was requested, then the -   adler32 value is not computed and strm->adler is not set. - -     deflateSetDictionary returns Z_OK if success, or Z_STREAM_ERROR if a -   parameter is invalid (such as NULL dictionary) or the stream state is -   inconsistent (for example if deflate has already been called for this stream -   or if the compression method is bsort). deflateSetDictionary does not -   perform any compression: this will be done by deflate(). -*/ - -ZEXTERN int ZEXPORT deflateCopy OF((z_streamp dest, -                                    z_streamp source)); -/* -     Sets the destination stream as a complete copy of the source stream. - -     This function can be useful when several compression strategies will be -   tried, for example when there are several ways of pre-processing the input -   data with a filter. The streams that will be discarded should then be freed -   by calling deflateEnd.  Note that deflateCopy duplicates the internal -   compression state which can be quite large, so this strategy is slow and -   can consume lots of memory. - -     deflateCopy returns Z_OK if success, Z_MEM_ERROR if there was not -   enough memory, Z_STREAM_ERROR if the source stream state was inconsistent -   (such as zalloc being NULL). msg is left unchanged in both source and -   destination. -*/ - -ZEXTERN int ZEXPORT deflateReset OF((z_streamp strm)); -/* -     This function is equivalent to deflateEnd followed by deflateInit, -   but does not free and reallocate all the internal compression state. -   The stream will keep the same compression level and any other attributes -   that may have been set by deflateInit2. - -      deflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source -   stream state was inconsistent (such as zalloc or state being NULL). -*/ - -ZEXTERN int ZEXPORT deflateParams OF((z_streamp strm, -                                      int level, -                                      int strategy)); -/* -     Dynamically update the compression level and compression strategy.  The -   interpretation of level and strategy is as in deflateInit2.  This can be -   used to switch between compression and straight copy of the input data, or -   to switch to a different kind of input data requiring a different -   strategy. If the compression level is changed, the input available so far -   is compressed with the old level (and may be flushed); the new level will -   take effect only at the next call of deflate(). - -     Before the call of deflateParams, the stream state must be set as for -   a call of deflate(), since the currently available input may have to -   be compressed and flushed. In particular, strm->avail_out must be non-zero. - -     deflateParams returns Z_OK if success, Z_STREAM_ERROR if the source -   stream state was inconsistent or if a parameter was invalid, Z_BUF_ERROR -   if strm->avail_out was zero. -*/ - -ZEXTERN int ZEXPORT deflateTune OF((z_streamp strm, -                                    int good_length, -                                    int max_lazy, -                                    int nice_length, -                                    int max_chain)); -/* -     Fine tune deflate's internal compression parameters.  This should only be -   used by someone who understands the algorithm used by zlib's deflate for -   searching for the best matching string, and even then only by the most -   fanatic optimizer trying to squeeze out the last compressed bit for their -   specific input data.  Read the deflate.c source code for the meaning of the -   max_lazy, good_length, nice_length, and max_chain parameters. - -     deflateTune() can be called after deflateInit() or deflateInit2(), and -   returns Z_OK on success, or Z_STREAM_ERROR for an invalid deflate stream. - */ - -ZEXTERN uLong ZEXPORT deflateBound OF((z_streamp strm, -                                       uLong sourceLen)); -/* -     deflateBound() returns an upper bound on the compressed size after -   deflation of sourceLen bytes.  It must be called after deflateInit() -   or deflateInit2().  This would be used to allocate an output buffer -   for deflation in a single pass, and so would be called before deflate(). -*/ - -ZEXTERN int ZEXPORT deflatePrime OF((z_streamp strm, -                                     int bits, -                                     int value)); -/* -     deflatePrime() inserts bits in the deflate output stream.  The intent -  is that this function is used to start off the deflate output with the -  bits leftover from a previous deflate stream when appending to it.  As such, -  this function can only be used for raw deflate, and must be used before the -  first deflate() call after a deflateInit2() or deflateReset().  bits must be -  less than or equal to 16, and that many of the least significant bits of -  value will be inserted in the output. - -      deflatePrime returns Z_OK if success, or Z_STREAM_ERROR if the source -   stream state was inconsistent. -*/ - -ZEXTERN int ZEXPORT deflateSetHeader OF((z_streamp strm, -                                         gz_headerp head)); -/* -      deflateSetHeader() provides gzip header information for when a gzip -   stream is requested by deflateInit2().  deflateSetHeader() may be called -   after deflateInit2() or deflateReset() and before the first call of -   deflate().  The text, time, os, extra field, name, and comment information -   in the provided gz_header structure are written to the gzip header (xflag is -   ignored -- the extra flags are set according to the compression level).  The -   caller must assure that, if not Z_NULL, name and comment are terminated with -   a zero byte, and that if extra is not Z_NULL, that extra_len bytes are -   available there.  If hcrc is true, a gzip header crc is included.  Note that -   the current versions of the command-line version of gzip (up through version -   1.3.x) do not support header crc's, and will report that it is a "multi-part -   gzip file" and give up. - -      If deflateSetHeader is not used, the default gzip header has text false, -   the time set to zero, and os set to 255, with no extra, name, or comment -   fields.  The gzip header is returned to the default state by deflateReset(). - -      deflateSetHeader returns Z_OK if success, or Z_STREAM_ERROR if the source -   stream state was inconsistent. -*/ - -/* -ZEXTERN int ZEXPORT inflateInit2 OF((z_streamp strm, -                                     int  windowBits)); - -     This is another version of inflateInit with an extra parameter. The -   fields next_in, avail_in, zalloc, zfree and opaque must be initialized -   before by the caller. - -     The windowBits parameter is the base two logarithm of the maximum window -   size (the size of the history buffer).  It should be in the range 8..15 for -   this version of the library. The default value is 15 if inflateInit is used -   instead. windowBits must be greater than or equal to the windowBits value -   provided to deflateInit2() while compressing, or it must be equal to 15 if -   deflateInit2() was not used. If a compressed stream with a larger window -   size is given as input, inflate() will return with the error code -   Z_DATA_ERROR instead of trying to allocate a larger window. - -     windowBits can also be -8..-15 for raw inflate. In this case, -windowBits -   determines the window size. inflate() will then process raw deflate data, -   not looking for a zlib or gzip header, not generating a check value, and not -   looking for any check values for comparison at the end of the stream. This -   is for use with other formats that use the deflate compressed data format -   such as zip.  Those formats provide their own check values. If a custom -   format is developed using the raw deflate format for compressed data, it is -   recommended that a check value such as an adler32 or a crc32 be applied to -   the uncompressed data as is done in the zlib, gzip, and zip formats.  For -   most applications, the zlib format should be used as is. Note that comments -   above on the use in deflateInit2() applies to the magnitude of windowBits. - -     windowBits can also be greater than 15 for optional gzip decoding. Add -   32 to windowBits to enable zlib and gzip decoding with automatic header -   detection, or add 16 to decode only the gzip format (the zlib format will -   return a Z_DATA_ERROR).  If a gzip stream is being decoded, strm->adler is -   a crc32 instead of an adler32. - -     inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was not enough -   memory, Z_STREAM_ERROR if a parameter is invalid (such as a null strm). msg -   is set to null if there is no error message.  inflateInit2 does not perform -   any decompression apart from reading the zlib header if present: this will -   be done by inflate(). (So next_in and avail_in may be modified, but next_out -   and avail_out are unchanged.) -*/ - -ZEXTERN int ZEXPORT inflateSetDictionary OF((z_streamp strm, -                                             const Bytef *dictionary, -                                             uInt  dictLength)); -/* -     Initializes the decompression dictionary from the given uncompressed byte -   sequence. This function must be called immediately after a call of inflate, -   if that call returned Z_NEED_DICT. The dictionary chosen by the compressor -   can be determined from the adler32 value returned by that call of inflate. -   The compressor and decompressor must use exactly the same dictionary (see -   deflateSetDictionary).  For raw inflate, this function can be called -   immediately after inflateInit2() or inflateReset() and before any call of -   inflate() to set the dictionary.  The application must insure that the -   dictionary that was used for compression is provided. - -     inflateSetDictionary returns Z_OK if success, Z_STREAM_ERROR if a -   parameter is invalid (such as NULL dictionary) or the stream state is -   inconsistent, Z_DATA_ERROR if the given dictionary doesn't match the -   expected one (incorrect adler32 value). inflateSetDictionary does not -   perform any decompression: this will be done by subsequent calls of -   inflate(). -*/ - -ZEXTERN int ZEXPORT inflateSync OF((z_streamp strm)); -/* -    Skips invalid compressed data until a full flush point (see above the -  description of deflate with Z_FULL_FLUSH) can be found, or until all -  available input is skipped. No output is provided. - -    inflateSync returns Z_OK if a full flush point has been found, Z_BUF_ERROR -  if no more input was provided, Z_DATA_ERROR if no flush point has been found, -  or Z_STREAM_ERROR if the stream structure was inconsistent. In the success -  case, the application may save the current current value of total_in which -  indicates where valid compressed data was found. In the error case, the -  application may repeatedly call inflateSync, providing more input each time, -  until success or end of the input data. -*/ - -ZEXTERN int ZEXPORT inflateCopy OF((z_streamp dest, -                                    z_streamp source)); -/* -     Sets the destination stream as a complete copy of the source stream. - -     This function can be useful when randomly accessing a large stream.  The -   first pass through the stream can periodically record the inflate state, -   allowing restarting inflate at those points when randomly accessing the -   stream. - -     inflateCopy returns Z_OK if success, Z_MEM_ERROR if there was not -   enough memory, Z_STREAM_ERROR if the source stream state was inconsistent -   (such as zalloc being NULL). msg is left unchanged in both source and -   destination. -*/ - -ZEXTERN int ZEXPORT inflateReset OF((z_streamp strm)); -/* -     This function is equivalent to inflateEnd followed by inflateInit, -   but does not free and reallocate all the internal decompression state. -   The stream will keep attributes that may have been set by inflateInit2. - -      inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source -   stream state was inconsistent (such as zalloc or state being NULL). -*/ - -ZEXTERN int ZEXPORT inflatePrime OF((z_streamp strm, -                                     int bits, -                                     int value)); -/* -     This function inserts bits in the inflate input stream.  The intent is -  that this function is used to start inflating at a bit position in the -  middle of a byte.  The provided bits will be used before any bytes are used -  from next_in.  This function should only be used with raw inflate, and -  should be used before the first inflate() call after inflateInit2() or -  inflateReset().  bits must be less than or equal to 16, and that many of the -  least significant bits of value will be inserted in the input. - -      inflatePrime returns Z_OK if success, or Z_STREAM_ERROR if the source -   stream state was inconsistent. -*/ - -ZEXTERN int ZEXPORT inflateGetHeader OF((z_streamp strm, -                                         gz_headerp head)); -/* -      inflateGetHeader() requests that gzip header information be stored in the -   provided gz_header structure.  inflateGetHeader() may be called after -   inflateInit2() or inflateReset(), and before the first call of inflate(). -   As inflate() processes the gzip stream, head->done is zero until the header -   is completed, at which time head->done is set to one.  If a zlib stream is -   being decoded, then head->done is set to -1 to indicate that there will be -   no gzip header information forthcoming.  Note that Z_BLOCK can be used to -   force inflate() to return immediately after header processing is complete -   and before any actual data is decompressed. - -      The text, time, xflags, and os fields are filled in with the gzip header -   contents.  hcrc is set to true if there is a header CRC.  (The header CRC -   was valid if done is set to one.)  If extra is not Z_NULL, then extra_max -   contains the maximum number of bytes to write to extra.  Once done is true, -   extra_len contains the actual extra field length, and extra contains the -   extra field, or that field truncated if extra_max is less than extra_len. -   If name is not Z_NULL, then up to name_max characters are written there, -   terminated with a zero unless the length is greater than name_max.  If -   comment is not Z_NULL, then up to comm_max characters are written there, -   terminated with a zero unless the length is greater than comm_max.  When -   any of extra, name, or comment are not Z_NULL and the respective field is -   not present in the header, then that field is set to Z_NULL to signal its -   absence.  This allows the use of deflateSetHeader() with the returned -   structure to duplicate the header.  However if those fields are set to -   allocated memory, then the application will need to save those pointers -   elsewhere so that they can be eventually freed. - -      If inflateGetHeader is not used, then the header information is simply -   discarded.  The header is always checked for validity, including the header -   CRC if present.  inflateReset() will reset the process to discard the header -   information.  The application would need to call inflateGetHeader() again to -   retrieve the header from the next gzip stream. - -      inflateGetHeader returns Z_OK if success, or Z_STREAM_ERROR if the source -   stream state was inconsistent. -*/ - -/* -ZEXTERN int ZEXPORT inflateBackInit OF((z_streamp strm, int windowBits, -                                        unsigned char FAR *window)); - -     Initialize the internal stream state for decompression using inflateBack() -   calls.  The fields zalloc, zfree and opaque in strm must be initialized -   before the call.  If zalloc and zfree are Z_NULL, then the default library- -   derived memory allocation routines are used.  windowBits is the base two -   logarithm of the window size, in the range 8..15.  window is a caller -   supplied buffer of that size.  Except for special applications where it is -   assured that deflate was used with small window sizes, windowBits must be 15 -   and a 32K byte window must be supplied to be able to decompress general -   deflate streams. - -     See inflateBack() for the usage of these routines. - -     inflateBackInit will return Z_OK on success, Z_STREAM_ERROR if any of -   the paramaters are invalid, Z_MEM_ERROR if the internal state could not -   be allocated, or Z_VERSION_ERROR if the version of the library does not -   match the version of the header file. -*/ - -typedef unsigned (*in_func) OF((void FAR *, unsigned char FAR * FAR *)); -typedef int (*out_func) OF((void FAR *, unsigned char FAR *, unsigned)); - -ZEXTERN int ZEXPORT inflateBack OF((z_streamp strm, -                                    in_func in, void FAR *in_desc, -                                    out_func out, void FAR *out_desc)); -/* -     inflateBack() does a raw inflate with a single call using a call-back -   interface for input and output.  This is more efficient than inflate() for -   file i/o applications in that it avoids copying between the output and the -   sliding window by simply making the window itself the output buffer.  This -   function trusts the application to not change the output buffer passed by -   the output function, at least until inflateBack() returns. - -     inflateBackInit() must be called first to allocate the internal state -   and to initialize the state with the user-provided window buffer. -   inflateBack() may then be used multiple times to inflate a complete, raw -   deflate stream with each call.  inflateBackEnd() is then called to free -   the allocated state. - -     A raw deflate stream is one with no zlib or gzip header or trailer. -   This routine would normally be used in a utility that reads zip or gzip -   files and writes out uncompressed files.  The utility would decode the -   header and process the trailer on its own, hence this routine expects -   only the raw deflate stream to decompress.  This is different from the -   normal behavior of inflate(), which expects either a zlib or gzip header and -   trailer around the deflate stream. - -     inflateBack() uses two subroutines supplied by the caller that are then -   called by inflateBack() for input and output.  inflateBack() calls those -   routines until it reads a complete deflate stream and writes out all of the -   uncompressed data, or until it encounters an error.  The function's -   parameters and return types are defined above in the in_func and out_func -   typedefs.  inflateBack() will call in(in_desc, &buf) which should return the -   number of bytes of provided input, and a pointer to that input in buf.  If -   there is no input available, in() must return zero--buf is ignored in that -   case--and inflateBack() will return a buffer error.  inflateBack() will call -   out(out_desc, buf, len) to write the uncompressed data buf[0..len-1].  out() -   should return zero on success, or non-zero on failure.  If out() returns -   non-zero, inflateBack() will return with an error.  Neither in() nor out() -   are permitted to change the contents of the window provided to -   inflateBackInit(), which is also the buffer that out() uses to write from. -   The length written by out() will be at most the window size.  Any non-zero -   amount of input may be provided by in(). - -     For convenience, inflateBack() can be provided input on the first call by -   setting strm->next_in and strm->avail_in.  If that input is exhausted, then -   in() will be called.  Therefore strm->next_in must be initialized before -   calling inflateBack().  If strm->next_in is Z_NULL, then in() will be called -   immediately for input.  If strm->next_in is not Z_NULL, then strm->avail_in -   must also be initialized, and then if strm->avail_in is not zero, input will -   initially be taken from strm->next_in[0 .. strm->avail_in - 1]. - -     The in_desc and out_desc parameters of inflateBack() is passed as the -   first parameter of in() and out() respectively when they are called.  These -   descriptors can be optionally used to pass any information that the caller- -   supplied in() and out() functions need to do their job. - -     On return, inflateBack() will set strm->next_in and strm->avail_in to -   pass back any unused input that was provided by the last in() call.  The -   return values of inflateBack() can be Z_STREAM_END on success, Z_BUF_ERROR -   if in() or out() returned an error, Z_DATA_ERROR if there was a format -   error in the deflate stream (in which case strm->msg is set to indicate the -   nature of the error), or Z_STREAM_ERROR if the stream was not properly -   initialized.  In the case of Z_BUF_ERROR, an input or output error can be -   distinguished using strm->next_in which will be Z_NULL only if in() returned -   an error.  If strm->next is not Z_NULL, then the Z_BUF_ERROR was due to -   out() returning non-zero.  (in() will always be called before out(), so -   strm->next_in is assured to be defined if out() returns non-zero.)  Note -   that inflateBack() cannot return Z_OK. -*/ - -ZEXTERN int ZEXPORT inflateBackEnd OF((z_streamp strm)); -/* -     All memory allocated by inflateBackInit() is freed. - -     inflateBackEnd() returns Z_OK on success, or Z_STREAM_ERROR if the stream -   state was inconsistent. -*/ - -ZEXTERN uLong ZEXPORT zlibCompileFlags OF((void)); -/* Return flags indicating compile-time options. - -    Type sizes, two bits each, 00 = 16 bits, 01 = 32, 10 = 64, 11 = other: -     1.0: size of uInt -     3.2: size of uLong -     5.4: size of voidpf (pointer) -     7.6: size of z_off_t - -    Compiler, assembler, and debug options: -     8: DEBUG -     9: ASMV or ASMINF -- use ASM code -     10: ZLIB_WINAPI -- exported functions use the WINAPI calling convention -     11: 0 (reserved) - -    One-time table building (smaller code, but not thread-safe if true): -     12: BUILDFIXED -- build static block decoding tables when needed -     13: DYNAMIC_CRC_TABLE -- build CRC calculation tables when needed -     14,15: 0 (reserved) - -    Library content (indicates missing functionality): -     16: NO_GZCOMPRESS -- gz* functions cannot compress (to avoid linking -                          deflate code when not needed) -     17: NO_GZIP -- deflate can't write gzip streams, and inflate can't detect -                    and decode gzip streams (to avoid linking crc code) -     18-19: 0 (reserved) - -    Operation variations (changes in library functionality): -     20: PKZIP_BUG_WORKAROUND -- slightly more permissive inflate -     21: FASTEST -- deflate algorithm with only one, lowest compression level -     22,23: 0 (reserved) - -    The sprintf variant used by gzprintf (zero is best): -     24: 0 = vs*, 1 = s* -- 1 means limited to 20 arguments after the format -     25: 0 = *nprintf, 1 = *printf -- 1 means gzprintf() not secure! -     26: 0 = returns value, 1 = void -- 1 means inferred string length returned - -    Remainder: -     27-31: 0 (reserved) - */ - - -                        /* utility functions */ - -/* -     The following utility functions are implemented on top of the -   basic stream-oriented functions. To simplify the interface, some -   default options are assumed (compression level and memory usage, -   standard memory allocation functions). The source code of these -   utility functions can easily be modified if you need special options. -*/ - -ZEXTERN int ZEXPORT compress OF((Bytef *dest,   uLongf *destLen, -                                 const Bytef *source, uLong sourceLen)); -/* -     Compresses the source buffer into the destination buffer.  sourceLen is -   the byte length of the source buffer. Upon entry, destLen is the total -   size of the destination buffer, which must be at least the value returned -   by compressBound(sourceLen). Upon exit, destLen is the actual size of the -   compressed buffer. -     This function can be used to compress a whole file at once if the -   input file is mmap'ed. -     compress returns Z_OK if success, Z_MEM_ERROR if there was not -   enough memory, Z_BUF_ERROR if there was not enough room in the output -   buffer. -*/ - -ZEXTERN int ZEXPORT compress2 OF((Bytef *dest,   uLongf *destLen, -                                  const Bytef *source, uLong sourceLen, -                                  int level)); -/* -     Compresses the source buffer into the destination buffer. The level -   parameter has the same meaning as in deflateInit.  sourceLen is the byte -   length of the source buffer. Upon entry, destLen is the total size of the -   destination buffer, which must be at least the value returned by -   compressBound(sourceLen). Upon exit, destLen is the actual size of the -   compressed buffer. - -     compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough -   memory, Z_BUF_ERROR if there was not enough room in the output buffer, -   Z_STREAM_ERROR if the level parameter is invalid. -*/ - -ZEXTERN uLong ZEXPORT compressBound OF((uLong sourceLen)); -/* -     compressBound() returns an upper bound on the compressed size after -   compress() or compress2() on sourceLen bytes.  It would be used before -   a compress() or compress2() call to allocate the destination buffer. -*/ - -ZEXTERN int ZEXPORT uncompress OF((Bytef *dest,   uLongf *destLen, -                                   const Bytef *source, uLong sourceLen)); -/* -     Decompresses the source buffer into the destination buffer.  sourceLen is -   the byte length of the source buffer. Upon entry, destLen is the total -   size of the destination buffer, which must be large enough to hold the -   entire uncompressed data. (The size of the uncompressed data must have -   been saved previously by the compressor and transmitted to the decompressor -   by some mechanism outside the scope of this compression library.) -   Upon exit, destLen is the actual size of the compressed buffer. -     This function can be used to decompress a whole file at once if the -   input file is mmap'ed. - -     uncompress returns Z_OK if success, Z_MEM_ERROR if there was not -   enough memory, Z_BUF_ERROR if there was not enough room in the output -   buffer, or Z_DATA_ERROR if the input data was corrupted or incomplete. -*/ - - -typedef voidp gzFile; - -ZEXTERN gzFile ZEXPORT gzopen  OF((const char *path, const char *mode)); -/* -     Opens a gzip (.gz) file for reading or writing. The mode parameter -   is as in fopen ("rb" or "wb") but can also include a compression level -   ("wb9") or a strategy: 'f' for filtered data as in "wb6f", 'h' for -   Huffman only compression as in "wb1h", or 'R' for run-length encoding -   as in "wb1R". (See the description of deflateInit2 for more information -   about the strategy parameter.) - -     gzopen can be used to read a file which is not in gzip format; in this -   case gzread will directly read from the file without decompression. - -     gzopen returns NULL if the file could not be opened or if there was -   insufficient memory to allocate the (de)compression state; errno -   can be checked to distinguish the two cases (if errno is zero, the -   zlib error is Z_MEM_ERROR).  */ - -ZEXTERN gzFile ZEXPORT gzdopen  OF((int fd, const char *mode)); -/* -     gzdopen() associates a gzFile with the file descriptor fd.  File -   descriptors are obtained from calls like open, dup, creat, pipe or -   fileno (in the file has been previously opened with fopen). -   The mode parameter is as in gzopen. -     The next call of gzclose on the returned gzFile will also close the -   file descriptor fd, just like fclose(fdopen(fd), mode) closes the file -   descriptor fd. If you want to keep fd open, use gzdopen(dup(fd), mode). -     gzdopen returns NULL if there was insufficient memory to allocate -   the (de)compression state. -*/ - -ZEXTERN int ZEXPORT gzsetparams OF((gzFile file, int level, int strategy)); -/* -     Dynamically update the compression level or strategy. See the description -   of deflateInit2 for the meaning of these parameters. -     gzsetparams returns Z_OK if success, or Z_STREAM_ERROR if the file was not -   opened for writing. -*/ - -ZEXTERN int ZEXPORT    gzread  OF((gzFile file, voidp buf, unsigned len)); -/* -     Reads the given number of uncompressed bytes from the compressed file. -   If the input file was not in gzip format, gzread copies the given number -   of bytes into the buffer. -     gzread returns the number of uncompressed bytes actually read (0 for -   end of file, -1 for error). */ - -ZEXTERN int ZEXPORT    gzwrite OF((gzFile file, -                                   voidpc buf, unsigned len)); -/* -     Writes the given number of uncompressed bytes into the compressed file. -   gzwrite returns the number of uncompressed bytes actually written -   (0 in case of error). -*/ - -ZEXTERN int ZEXPORTVA   gzprintf OF((gzFile file, const char *format, ...)); -/* -     Converts, formats, and writes the args to the compressed file under -   control of the format string, as in fprintf. gzprintf returns the number of -   uncompressed bytes actually written (0 in case of error).  The number of -   uncompressed bytes written is limited to 4095. The caller should assure that -   this limit is not exceeded. If it is exceeded, then gzprintf() will return -   return an error (0) with nothing written. In this case, there may also be a -   buffer overflow with unpredictable consequences, which is possible only if -   zlib was compiled with the insecure functions sprintf() or vsprintf() -   because the secure snprintf() or vsnprintf() functions were not available. -*/ - -ZEXTERN int ZEXPORT gzputs OF((gzFile file, const char *s)); -/* -      Writes the given null-terminated string to the compressed file, excluding -   the terminating null character. -      gzputs returns the number of characters written, or -1 in case of error. -*/ - -ZEXTERN char * ZEXPORT gzgets OF((gzFile file, char *buf, int len)); -/* -      Reads bytes from the compressed file until len-1 characters are read, or -   a newline character is read and transferred to buf, or an end-of-file -   condition is encountered.  The string is then terminated with a null -   character. -      gzgets returns buf, or Z_NULL in case of error. -*/ - -ZEXTERN int ZEXPORT    gzputc OF((gzFile file, int c)); -/* -      Writes c, converted to an unsigned char, into the compressed file. -   gzputc returns the value that was written, or -1 in case of error. -*/ - -ZEXTERN int ZEXPORT    gzgetc OF((gzFile file)); -/* -      Reads one byte from the compressed file. gzgetc returns this byte -   or -1 in case of end of file or error. -*/ - -ZEXTERN int ZEXPORT    gzungetc OF((int c, gzFile file)); -/* -      Push one character back onto the stream to be read again later. -   Only one character of push-back is allowed.  gzungetc() returns the -   character pushed, or -1 on failure.  gzungetc() will fail if a -   character has been pushed but not read yet, or if c is -1. The pushed -   character will be discarded if the stream is repositioned with gzseek() -   or gzrewind(). -*/ - -ZEXTERN int ZEXPORT    gzflush OF((gzFile file, int flush)); -/* -     Flushes all pending output into the compressed file. The parameter -   flush is as in the deflate() function. The return value is the zlib -   error number (see function gzerror below). gzflush returns Z_OK if -   the flush parameter is Z_FINISH and all output could be flushed. -     gzflush should be called only when strictly necessary because it can -   degrade compression. -*/ - -ZEXTERN z_off_t ZEXPORT    gzseek OF((gzFile file, -                                      z_off_t offset, int whence)); -/* -      Sets the starting position for the next gzread or gzwrite on the -   given compressed file. The offset represents a number of bytes in the -   uncompressed data stream. The whence parameter is defined as in lseek(2); -   the value SEEK_END is not supported. -     If the file is opened for reading, this function is emulated but can be -   extremely slow. If the file is opened for writing, only forward seeks are -   supported; gzseek then compresses a sequence of zeroes up to the new -   starting position. - -      gzseek returns the resulting offset location as measured in bytes from -   the beginning of the uncompressed stream, or -1 in case of error, in -   particular if the file is opened for writing and the new starting position -   would be before the current position. -*/ - -ZEXTERN int ZEXPORT    gzrewind OF((gzFile file)); -/* -     Rewinds the given file. This function is supported only for reading. - -   gzrewind(file) is equivalent to (int)gzseek(file, 0L, SEEK_SET) -*/ - -ZEXTERN z_off_t ZEXPORT    gztell OF((gzFile file)); -/* -     Returns the starting position for the next gzread or gzwrite on the -   given compressed file. This position represents a number of bytes in the -   uncompressed data stream. - -   gztell(file) is equivalent to gzseek(file, 0L, SEEK_CUR) -*/ - -ZEXTERN int ZEXPORT gzeof OF((gzFile file)); -/* -     Returns 1 when EOF has previously been detected reading the given -   input stream, otherwise zero. -*/ - -ZEXTERN int ZEXPORT gzdirect OF((gzFile file)); -/* -     Returns 1 if file is being read directly without decompression, otherwise -   zero. -*/ - -ZEXTERN int ZEXPORT    gzclose OF((gzFile file)); -/* -     Flushes all pending output if necessary, closes the compressed file -   and deallocates all the (de)compression state. The return value is the zlib -   error number (see function gzerror below). -*/ - -ZEXTERN const char * ZEXPORT gzerror OF((gzFile file, int *errnum)); -/* -     Returns the error message for the last error which occurred on the -   given compressed file. errnum is set to zlib error number. If an -   error occurred in the file system and not in the compression library, -   errnum is set to Z_ERRNO and the application may consult errno -   to get the exact error code. -*/ - -ZEXTERN void ZEXPORT gzclearerr OF((gzFile file)); -/* -     Clears the error and end-of-file flags for file. This is analogous to the -   clearerr() function in stdio. This is useful for continuing to read a gzip -   file that is being written concurrently. -*/ - -                        /* checksum functions */ - -/* -     These functions are not related to compression but are exported -   anyway because they might be useful in applications using the -   compression library. -*/ - -ZEXTERN uLong ZEXPORT adler32 OF((uLong adler, const Bytef *buf, uInt len)); -/* -     Update a running Adler-32 checksum with the bytes buf[0..len-1] and -   return the updated checksum. If buf is NULL, this function returns -   the required initial value for the checksum. -   An Adler-32 checksum is almost as reliable as a CRC32 but can be computed -   much faster. Usage example: - -     uLong adler = adler32(0L, Z_NULL, 0); - -     while (read_buffer(buffer, length) != EOF) { -       adler = adler32(adler, buffer, length); -     } -     if (adler != original_adler) error(); -*/ - -ZEXTERN uLong ZEXPORT adler32_combine OF((uLong adler1, uLong adler2, -                                          z_off_t len2)); -/* -     Combine two Adler-32 checksums into one.  For two sequences of bytes, seq1 -   and seq2 with lengths len1 and len2, Adler-32 checksums were calculated for -   each, adler1 and adler2.  adler32_combine() returns the Adler-32 checksum of -   seq1 and seq2 concatenated, requiring only adler1, adler2, and len2. -*/ - -ZEXTERN uLong ZEXPORT crc32   OF((uLong crc, const Bytef *buf, uInt len)); -/* -     Update a running CRC-32 with the bytes buf[0..len-1] and return the -   updated CRC-32. If buf is NULL, this function returns the required initial -   value for the for the crc. Pre- and post-conditioning (one's complement) is -   performed within this function so it shouldn't be done by the application. -   Usage example: - -     uLong crc = crc32(0L, Z_NULL, 0); - -     while (read_buffer(buffer, length) != EOF) { -       crc = crc32(crc, buffer, length); -     } -     if (crc != original_crc) error(); -*/ - -ZEXTERN uLong ZEXPORT crc32_combine OF((uLong crc1, uLong crc2, z_off_t len2)); - -/* -     Combine two CRC-32 check values into one.  For two sequences of bytes, -   seq1 and seq2 with lengths len1 and len2, CRC-32 check values were -   calculated for each, crc1 and crc2.  crc32_combine() returns the CRC-32 -   check value of seq1 and seq2 concatenated, requiring only crc1, crc2, and -   len2. -*/ - - -                        /* various hacks, don't look :) */ - -/* deflateInit and inflateInit are macros to allow checking the zlib version - * and the compiler's view of z_stream: - */ -ZEXTERN int ZEXPORT deflateInit_ OF((z_streamp strm, int level, -                                     const char *version, int stream_size)); -ZEXTERN int ZEXPORT inflateInit_ OF((z_streamp strm, -                                     const char *version, int stream_size)); -ZEXTERN int ZEXPORT deflateInit2_ OF((z_streamp strm, int  level, int  method, -                                      int windowBits, int memLevel, -                                      int strategy, const char *version, -                                      int stream_size)); -ZEXTERN int ZEXPORT inflateInit2_ OF((z_streamp strm, int  windowBits, -                                      const char *version, int stream_size)); -ZEXTERN int ZEXPORT inflateBackInit_ OF((z_streamp strm, int windowBits, -                                         unsigned char FAR *window, -                                         const char *version, -                                         int stream_size)); -#define deflateInit(strm, level) \ -        deflateInit_((strm), (level),       ZLIB_VERSION, sizeof(z_stream)) -#define inflateInit(strm) \ -        inflateInit_((strm),                ZLIB_VERSION, sizeof(z_stream)) -#define deflateInit2(strm, level, method, windowBits, memLevel, strategy) \ -        deflateInit2_((strm),(level),(method),(windowBits),(memLevel),\ -                      (strategy),           ZLIB_VERSION, sizeof(z_stream)) -#define inflateInit2(strm, windowBits) \ -        inflateInit2_((strm), (windowBits), ZLIB_VERSION, sizeof(z_stream)) -#define inflateBackInit(strm, windowBits, window) \ -        inflateBackInit_((strm), (windowBits), (window), \ -        ZLIB_VERSION, sizeof(z_stream)) - - -#if !defined(ZUTIL_H) && !defined(NO_DUMMY_DECL) -    struct internal_state {int dummy;}; /* hack for buggy compilers */ -#endif - -ZEXTERN const char   * ZEXPORT zError           OF((int)); -ZEXTERN int            ZEXPORT inflateSyncPoint OF((z_streamp z)); -ZEXTERN const uLongf * ZEXPORT get_crc_table    OF((void)); - -#ifdef __cplusplus -} -#endif - -#endif /* ZLIB_H */ diff --git a/3rdParty/ZLib/src/zutil.c b/3rdParty/ZLib/src/zutil.c deleted file mode 100644 index d55f594..0000000 --- a/3rdParty/ZLib/src/zutil.c +++ /dev/null @@ -1,318 +0,0 @@ -/* zutil.c -- target dependent utility functions for the compression library - * Copyright (C) 1995-2005 Jean-loup Gailly. - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* @(#) $Id$ */ - -#include "zutil.h" - -#ifndef NO_DUMMY_DECL -struct internal_state      {int dummy;}; /* for buggy compilers */ -#endif - -const char * const z_errmsg[10] = { -"need dictionary",     /* Z_NEED_DICT       2  */ -"stream end",          /* Z_STREAM_END      1  */ -"",                    /* Z_OK              0  */ -"file error",          /* Z_ERRNO         (-1) */ -"stream error",        /* Z_STREAM_ERROR  (-2) */ -"data error",          /* Z_DATA_ERROR    (-3) */ -"insufficient memory", /* Z_MEM_ERROR     (-4) */ -"buffer error",        /* Z_BUF_ERROR     (-5) */ -"incompatible version",/* Z_VERSION_ERROR (-6) */ -""}; - - -const char * ZEXPORT zlibVersion() -{ -    return ZLIB_VERSION; -} - -uLong ZEXPORT zlibCompileFlags() -{ -    uLong flags; - -    flags = 0; -    switch (sizeof(uInt)) { -    case 2:     break; -    case 4:     flags += 1;     break; -    case 8:     flags += 2;     break; -    default:    flags += 3; -    } -    switch (sizeof(uLong)) { -    case 2:     break; -    case 4:     flags += 1 << 2;        break; -    case 8:     flags += 2 << 2;        break; -    default:    flags += 3 << 2; -    } -    switch (sizeof(voidpf)) { -    case 2:     break; -    case 4:     flags += 1 << 4;        break; -    case 8:     flags += 2 << 4;        break; -    default:    flags += 3 << 4; -    } -    switch (sizeof(z_off_t)) { -    case 2:     break; -    case 4:     flags += 1 << 6;        break; -    case 8:     flags += 2 << 6;        break; -    default:    flags += 3 << 6; -    } -#ifdef DEBUG -    flags += 1 << 8; -#endif -#if defined(ASMV) || defined(ASMINF) -    flags += 1 << 9; -#endif -#ifdef ZLIB_WINAPI -    flags += 1 << 10; -#endif -#ifdef BUILDFIXED -    flags += 1 << 12; -#endif -#ifdef DYNAMIC_CRC_TABLE -    flags += 1 << 13; -#endif -#ifdef NO_GZCOMPRESS -    flags += 1L << 16; -#endif -#ifdef NO_GZIP -    flags += 1L << 17; -#endif -#ifdef PKZIP_BUG_WORKAROUND -    flags += 1L << 20; -#endif -#ifdef FASTEST -    flags += 1L << 21; -#endif -#ifdef STDC -#  ifdef NO_vsnprintf -        flags += 1L << 25; -#    ifdef HAS_vsprintf_void -        flags += 1L << 26; -#    endif -#  else -#    ifdef HAS_vsnprintf_void -        flags += 1L << 26; -#    endif -#  endif -#else -        flags += 1L << 24; -#  ifdef NO_snprintf -        flags += 1L << 25; -#    ifdef HAS_sprintf_void -        flags += 1L << 26; -#    endif -#  else -#    ifdef HAS_snprintf_void -        flags += 1L << 26; -#    endif -#  endif -#endif -    return flags; -} - -#ifdef DEBUG - -#  ifndef verbose -#    define verbose 0 -#  endif -int z_verbose = verbose; - -void z_error (m) -    char *m; -{ -    fprintf(stderr, "%s\n", m); -    exit(1); -} -#endif - -/* exported to allow conversion of error code to string for compress() and - * uncompress() - */ -const char * ZEXPORT zError(err) -    int err; -{ -    return ERR_MSG(err); -} - -#if defined(_WIN32_WCE) -    /* The Microsoft C Run-Time Library for Windows CE doesn't have -     * errno.  We define it as a global variable to simplify porting. -     * Its value is always 0 and should not be used. -     */ -    int errno = 0; -#endif - -#ifndef HAVE_MEMCPY - -void zmemcpy(dest, source, len) -    Bytef* dest; -    const Bytef* source; -    uInt  len; -{ -    if (len == 0) return; -    do { -        *dest++ = *source++; /* ??? to be unrolled */ -    } while (--len != 0); -} - -int zmemcmp(s1, s2, len) -    const Bytef* s1; -    const Bytef* s2; -    uInt  len; -{ -    uInt j; - -    for (j = 0; j < len; j++) { -        if (s1[j] != s2[j]) return 2*(s1[j] > s2[j])-1; -    } -    return 0; -} - -void zmemzero(dest, len) -    Bytef* dest; -    uInt  len; -{ -    if (len == 0) return; -    do { -        *dest++ = 0;  /* ??? to be unrolled */ -    } while (--len != 0); -} -#endif - - -#ifdef SYS16BIT - -#ifdef __TURBOC__ -/* Turbo C in 16-bit mode */ - -#  define MY_ZCALLOC - -/* Turbo C malloc() does not allow dynamic allocation of 64K bytes - * and farmalloc(64K) returns a pointer with an offset of 8, so we - * must fix the pointer. Warning: the pointer must be put back to its - * original form in order to free it, use zcfree(). - */ - -#define MAX_PTR 10 -/* 10*64K = 640K */ - -local int next_ptr = 0; - -typedef struct ptr_table_s { -    voidpf org_ptr; -    voidpf new_ptr; -} ptr_table; - -local ptr_table table[MAX_PTR]; -/* This table is used to remember the original form of pointers - * to large buffers (64K). Such pointers are normalized with a zero offset. - * Since MSDOS is not a preemptive multitasking OS, this table is not - * protected from concurrent access. This hack doesn't work anyway on - * a protected system like OS/2. Use Microsoft C instead. - */ - -voidpf zcalloc (voidpf opaque, unsigned items, unsigned size) -{ -    voidpf buf = opaque; /* just to make some compilers happy */ -    ulg bsize = (ulg)items*size; - -    /* If we allocate less than 65520 bytes, we assume that farmalloc -     * will return a usable pointer which doesn't have to be normalized. -     */ -    if (bsize < 65520L) { -        buf = farmalloc(bsize); -        if (*(ush*)&buf != 0) return buf; -    } else { -        buf = farmalloc(bsize + 16L); -    } -    if (buf == NULL || next_ptr >= MAX_PTR) return NULL; -    table[next_ptr].org_ptr = buf; - -    /* Normalize the pointer to seg:0 */ -    *((ush*)&buf+1) += ((ush)((uch*)buf-0) + 15) >> 4; -    *(ush*)&buf = 0; -    table[next_ptr++].new_ptr = buf; -    return buf; -} - -void  zcfree (voidpf opaque, voidpf ptr) -{ -    int n; -    if (*(ush*)&ptr != 0) { /* object < 64K */ -        farfree(ptr); -        return; -    } -    /* Find the original pointer */ -    for (n = 0; n < next_ptr; n++) { -        if (ptr != table[n].new_ptr) continue; - -        farfree(table[n].org_ptr); -        while (++n < next_ptr) { -            table[n-1] = table[n]; -        } -        next_ptr--; -        return; -    } -    ptr = opaque; /* just to make some compilers happy */ -    Assert(0, "zcfree: ptr not found"); -} - -#endif /* __TURBOC__ */ - - -#ifdef M_I86 -/* Microsoft C in 16-bit mode */ - -#  define MY_ZCALLOC - -#if (!defined(_MSC_VER) || (_MSC_VER <= 600)) -#  define _halloc  halloc -#  define _hfree   hfree -#endif - -voidpf zcalloc (voidpf opaque, unsigned items, unsigned size) -{ -    if (opaque) opaque = 0; /* to make compiler happy */ -    return _halloc((long)items, size); -} - -void  zcfree (voidpf opaque, voidpf ptr) -{ -    if (opaque) opaque = 0; /* to make compiler happy */ -    _hfree(ptr); -} - -#endif /* M_I86 */ - -#endif /* SYS16BIT */ - - -#ifndef MY_ZCALLOC /* Any system without a special alloc function */ - -#ifndef STDC -extern voidp  malloc OF((uInt size)); -extern voidp  calloc OF((uInt items, uInt size)); -extern void   free   OF((voidpf ptr)); -#endif - -voidpf zcalloc (opaque, items, size) -    voidpf opaque; -    unsigned items; -    unsigned size; -{ -    if (opaque) items += size - size; /* make compiler happy */ -    return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) : -                              (voidpf)calloc(items, size); -} - -void  zcfree (opaque, ptr) -    voidpf opaque; -    voidpf ptr; -{ -    free(ptr); -    if (opaque) return; /* make compiler happy */ -} - -#endif /* MY_ZCALLOC */ diff --git a/3rdParty/ZLib/src/zutil.h b/3rdParty/ZLib/src/zutil.h deleted file mode 100644 index b7d5eff..0000000 --- a/3rdParty/ZLib/src/zutil.h +++ /dev/null @@ -1,269 +0,0 @@ -/* zutil.h -- internal interface and configuration of the compression library - * Copyright (C) 1995-2005 Jean-loup Gailly. - * For conditions of distribution and use, see copyright notice in zlib.h - */ - -/* WARNING: this file should *not* be used by applications. It is -   part of the implementation of the compression library and is -   subject to change. Applications should only use zlib.h. - */ - -/* @(#) $Id$ */ - -#ifndef ZUTIL_H -#define ZUTIL_H - -#define ZLIB_INTERNAL -#include "zlib.h" - -#ifdef STDC -#  ifndef _WIN32_WCE -#    include <stddef.h> -#  endif -#  include <string.h> -#  include <stdlib.h> -#endif -#ifdef NO_ERRNO_H -#   ifdef _WIN32_WCE -      /* The Microsoft C Run-Time Library for Windows CE doesn't have -       * errno.  We define it as a global variable to simplify porting. -       * Its value is always 0 and should not be used.  We rename it to -       * avoid conflict with other libraries that use the same workaround. -       */ -#     define errno z_errno -#   endif -    extern int errno; -#else -#  ifndef _WIN32_WCE -#    include <errno.h> -#  endif -#endif - -#ifndef local -#  define local static -#endif -/* compile with -Dlocal if your debugger can't find static symbols */ - -typedef unsigned char  uch; -typedef uch FAR uchf; -typedef unsigned short ush; -typedef ush FAR ushf; -typedef unsigned long  ulg; - -extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */ -/* (size given to avoid silly warnings with Visual C++) */ - -#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)] - -#define ERR_RETURN(strm,err) \ -  return (strm->msg = (char*)ERR_MSG(err), (err)) -/* To be used only when the state is known to be valid */ - -        /* common constants */ - -#ifndef DEF_WBITS -#  define DEF_WBITS MAX_WBITS -#endif -/* default windowBits for decompression. MAX_WBITS is for compression only */ - -#if MAX_MEM_LEVEL >= 8 -#  define DEF_MEM_LEVEL 8 -#else -#  define DEF_MEM_LEVEL  MAX_MEM_LEVEL -#endif -/* default memLevel */ - -#define STORED_BLOCK 0 -#define STATIC_TREES 1 -#define DYN_TREES    2 -/* The three kinds of block type */ - -#define MIN_MATCH  3 -#define MAX_MATCH  258 -/* The minimum and maximum match lengths */ - -#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */ - -        /* target dependencies */ - -#if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32)) -#  define OS_CODE  0x00 -#  if defined(__TURBOC__) || defined(__BORLANDC__) -#    if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__)) -       /* Allow compilation with ANSI keywords only enabled */ -       void _Cdecl farfree( void *block ); -       void *_Cdecl farmalloc( unsigned long nbytes ); -#    else -#      include <alloc.h> -#    endif -#  else /* MSC or DJGPP */ -#    include <malloc.h> -#  endif -#endif - -#ifdef AMIGA -#  define OS_CODE  0x01 -#endif - -#if defined(VAXC) || defined(VMS) -#  define OS_CODE  0x02 -#  define F_OPEN(name, mode) \ -     fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512") -#endif - -#if defined(ATARI) || defined(atarist) -#  define OS_CODE  0x05 -#endif - -#ifdef OS2 -#  define OS_CODE  0x06 -#  ifdef M_I86 -     #include <malloc.h> -#  endif -#endif - -#if defined(MACOS) || defined(TARGET_OS_MAC) -#  define OS_CODE  0x07 -#  if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os -#    include <unix.h> /* for fdopen */ -#  else -#    ifndef fdopen -#      define fdopen(fd,mode) NULL /* No fdopen() */ -#    endif -#  endif -#endif - -#ifdef TOPS20 -#  define OS_CODE  0x0a -#endif - -#ifdef WIN32 -#  ifndef __CYGWIN__  /* Cygwin is Unix, not Win32 */ -#    define OS_CODE  0x0b -#  endif -#endif - -#ifdef __50SERIES /* Prime/PRIMOS */ -#  define OS_CODE  0x0f -#endif - -#if defined(_BEOS_) || defined(RISCOS) -#  define fdopen(fd,mode) NULL /* No fdopen() */ -#endif - -#if (defined(_MSC_VER) && (_MSC_VER > 600)) -#  if defined(_WIN32_WCE) -#    define fdopen(fd,mode) NULL /* No fdopen() */ -#    ifndef _PTRDIFF_T_DEFINED -       typedef int ptrdiff_t; -#      define _PTRDIFF_T_DEFINED -#    endif -#  else -#    define fdopen(fd,type)  _fdopen(fd,type) -#  endif -#endif - -        /* common defaults */ - -#ifndef OS_CODE -#  define OS_CODE  0x03  /* assume Unix */ -#endif - -#ifndef F_OPEN -#  define F_OPEN(name, mode) fopen((name), (mode)) -#endif - -         /* functions */ - -#if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550) -#  ifndef HAVE_VSNPRINTF -#    define HAVE_VSNPRINTF -#  endif -#endif -#if defined(__CYGWIN__) -#  ifndef HAVE_VSNPRINTF -#    define HAVE_VSNPRINTF -#  endif -#endif -#ifndef HAVE_VSNPRINTF -#  ifdef MSDOS -     /* vsnprintf may exist on some MS-DOS compilers (DJGPP?), -        but for now we just assume it doesn't. */ -#    define NO_vsnprintf -#  endif -#  ifdef __TURBOC__ -#    define NO_vsnprintf -#  endif -#  ifdef WIN32 -     /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */ -#    if !defined(vsnprintf) && !defined(NO_vsnprintf) -#      define vsnprintf _vsnprintf -#    endif -#  endif -#  ifdef __SASC -#    define NO_vsnprintf -#  endif -#endif -#ifdef VMS -#  define NO_vsnprintf -#endif - -#if defined(pyr) -#  define NO_MEMCPY -#endif -#if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__) - /* Use our own functions for small and medium model with MSC <= 5.0. -  * You may have to use the same strategy for Borland C (untested). -  * The __SC__ check is for Symantec. -  */ -#  define NO_MEMCPY -#endif -#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY) -#  define HAVE_MEMCPY -#endif -#ifdef HAVE_MEMCPY -#  ifdef SMALL_MEDIUM /* MSDOS small or medium model */ -#    define zmemcpy _fmemcpy -#    define zmemcmp _fmemcmp -#    define zmemzero(dest, len) _fmemset(dest, 0, len) -#  else -#    define zmemcpy memcpy -#    define zmemcmp memcmp -#    define zmemzero(dest, len) memset(dest, 0, len) -#  endif -#else -   extern void zmemcpy  OF((Bytef* dest, const Bytef* source, uInt len)); -   extern int  zmemcmp  OF((const Bytef* s1, const Bytef* s2, uInt len)); -   extern void zmemzero OF((Bytef* dest, uInt len)); -#endif - -/* Diagnostic functions */ -#ifdef DEBUG -#  include <stdio.h> -   extern int z_verbose; -   extern void z_error    OF((char *m)); -#  define Assert(cond,msg) {if(!(cond)) z_error(msg);} -#  define Trace(x) {if (z_verbose>=0) fprintf x ;} -#  define Tracev(x) {if (z_verbose>0) fprintf x ;} -#  define Tracevv(x) {if (z_verbose>1) fprintf x ;} -#  define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;} -#  define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;} -#else -#  define Assert(cond,msg) -#  define Trace(x) -#  define Tracev(x) -#  define Tracevv(x) -#  define Tracec(c,x) -#  define Tracecv(c,x) -#endif - - -voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size)); -void   zcfree  OF((voidpf opaque, voidpf ptr)); - -#define ZALLOC(strm, items, size) \ -           (*((strm)->zalloc))((strm)->opaque, (items), (size)) -#define ZFREE(strm, addr)  (*((strm)->zfree))((strm)->opaque, (voidpf)(addr)) -#define TRY_FREE(s, p) {if (p) ZFREE(s, p);} - -#endif /* ZUTIL_H */  | 
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