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| author | Remko Tronçon <git@el-tramo.be> | 2009-12-03 20:06:33 (GMT) |
|---|---|---|
| committer | Remko Tronçon <git@el-tramo.be> | 2009-12-03 20:06:33 (GMT) |
| commit | 5df50c35e1baeee517a0895a2c8a2cc2052b087f (patch) | |
| tree | b9d90fd123ec251ebb930cfcfaa2ffc805433812 /3rdParty/CAres/src/ares_expand_string.c | |
| parent | 9b3edba27b8683f1a87ad66ee05802dd93bbbdfc (diff) | |
| download | swift-contrib-5df50c35e1baeee517a0895a2c8a2cc2052b087f.zip swift-contrib-5df50c35e1baeee517a0895a2c8a2cc2052b087f.tar.bz2 | |
Added C-Ares.
Diffstat (limited to '3rdParty/CAres/src/ares_expand_string.c')
| -rw-r--r-- | 3rdParty/CAres/src/ares_expand_string.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/3rdParty/CAres/src/ares_expand_string.c b/3rdParty/CAres/src/ares_expand_string.c new file mode 100644 index 0000000..c72bb62 --- /dev/null +++ b/3rdParty/CAres/src/ares_expand_string.c @@ -0,0 +1,72 @@ +/* $Id: ares_expand_string.c,v 1.10 2009-11-02 11:55:53 yangtse Exp $ */ + +/* Copyright 1998 by the Massachusetts Institute of Technology. + * + * Permission to use, copy, modify, and distribute this + * software and its documentation for any purpose and without + * fee is hereby granted, provided that the above copyright + * notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting + * documentation, and that the name of M.I.T. not be used in + * advertising or publicity pertaining to distribution of the + * software without specific, written prior permission. + * M.I.T. makes no representations about the suitability of + * this software for any purpose. It is provided "as is" + * without express or implied warranty. + */ + +#include "ares_setup.h" + +#ifdef HAVE_SYS_SOCKET_H +# include <sys/socket.h> +#endif +#ifdef HAVE_NETINET_IN_H +# include <netinet/in.h> +#endif +#ifdef HAVE_ARPA_NAMESER_H +# include <arpa/nameser.h> +#else +# include "nameser.h" +#endif + +#include <string.h> +#include <stdlib.h> +#include "ares.h" +#include "ares_private.h" /* for the memdebug */ + +/* Simply decodes a length-encoded character string. The first byte of the + * input is the length of the string to be returned and the bytes thereafter + * are the characters of the string. The returned result will be NULL + * terminated. + */ +int ares_expand_string(const unsigned char *encoded, + const unsigned char *abuf, + int alen, + unsigned char **s, + long *enclen) +{ + unsigned char *q; + long len; + if (encoded == abuf+alen) + return ARES_EBADSTR; + + len = *encoded; + if (encoded+len+1 > abuf+alen) + return ARES_EBADSTR; + + encoded++; + + *s = malloc(len+1); + if (*s == NULL) + return ARES_ENOMEM; + q = *s; + strncpy((char *)q, (char *)encoded, len); + q[len] = '\0'; + + *s = q; + + *enclen = len+1; + + return ARES_SUCCESS; +} + |