mirrors/tor
1
0
Fork 0
mirror of https://gitlab.torproject.org/tpo/core/tor.git synced 2025-02-23 14:40:51 +01:00
Code Issues Projects Releases Wiki Activity

fix integer underflow in tor_vsnprintf()

Browse source 
(probably exploitable)


svn:r3011
This commit is contained in:
Roger Dingledine 2004-11-29 06:49:04 +00:00
parent 185f047450
commit 531c060b36
1 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/common/compat.c
View file

@ -90,12 +90,14 @@ int tor_snprintf(char *str, size_t size, const char *format, ...)
return r; return r;
} }
/** Replacement for vsnpritnf; behavior differs as tor_snprintf differs from /** Replacement for vsnprintf; behavior differs as tor_snprintf differs from
* snprintf. * snprintf.
*/ */
int tor_vsnprintf(char *str, size_t size, const char *format, va_list args) int tor_vsnprintf(char *str, size_t size, const char *format, va_list args)
{ {
int r; int r;
if (size == 0)
return -1; /* no place for the NUL */
#ifdef MS_WINDOWS #ifdef MS_WINDOWS
r = _vsnprintf(str, size, format, args); r = _vsnprintf(str, size, format, args);
#else #else