Swiftdiff options
Diffstat (limited to '3rdParty/LibMiniUPnPc/src/miniupnpc/codelength.h')
| -rw-r--r-- | 3rdParty/LibMiniUPnPc/src/miniupnpc/codelength.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/3rdParty/LibMiniUPnPc/src/miniupnpc/codelength.h b/3rdParty/LibMiniUPnPc/src/miniupnpc/codelength.h index f11e5e9..d342bd1 100644 --- a/3rdParty/LibMiniUPnPc/src/miniupnpc/codelength.h +++ b/3rdParty/LibMiniUPnPc/src/miniupnpc/codelength.h @@ -1,18 +1,25 @@ -/* $Id: codelength.h,v 1.1 2008/10/06 22:04:06 nanard Exp $ */ +/* $Id: codelength.h,v 1.4 2012/09/27 15:40:29 nanard Exp $ */ /* Project : miniupnp * Author : Thomas BERNARD - * copyright (c) 2005-2008 Thomas Bernard + * copyright (c) 2005-2011 Thomas Bernard * This software is subjet to the conditions detailed in the * provided LICENCE file. */ -#ifndef __CODELENGTH_H__ -#define __CODELENGTH_H__ +#ifndef CODELENGTH_H_INCLUDED +#define CODELENGTH_H_INCLUDED /* Encode length by using 7bit per Byte : * Most significant bit of each byte specifies that the * following byte is part of the code */ #define DECODELENGTH(n, p) n = 0; \ do { n = (n << 7) | (*p & 0x7f); } \ - while(*(p++)&0x80); + while((*(p++)&0x80) && (n<(1<<25))); + +#define DECODELENGTH_CHECKLIMIT(n, p, p_limit) \ + n = 0; \ + do { \ + if((p) >= (p_limit)) break; \ + n = (n << 7) | (*(p) & 0x7f); \ + } while((*((p)++)&0x80) && (n<(1<<25))); #define CODELENGTH(n, p) if(n>=268435456) *(p++) = (n >> 28) | 0x80; \ if(n>=2097152) *(p++) = (n >> 21) | 0x80; \ |