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Fixed bug 2596 - SDL_SetError fails on on NULL on systems with vsnprintf 

sfalexrog

On systems with vsnprintf call SDL_SetError fails when passed a NULL as an argument. SDL's implementation checks for NULL (as seen in the commit: https://hg.libsdl.org/SDL/rev/835403a6aec8), but system implementation may crash.
This commit is contained in:
Sam Lantinga 2014-06-21 11:52:53 -07:00
parent 6c0a7b99fa
commit 0d673844ac
1 changed files with 3 additions and 0 deletions
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3
src/stdlib/SDL_string.c
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@ -1276,6 +1276,9 @@ SDL_snprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, SDL_PRINTF_FORMAT_
#ifdef HAVE_VSNPRINTF #ifdef HAVE_VSNPRINTF
int SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, const char *fmt, va_list ap) int SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, const char *fmt, va_list ap)
{ {
if (!fmt) {
fmt = "";
}
return vsnprintf(text, maxlen, fmt, ap); return vsnprintf(text, maxlen, fmt, ap);
} }
#else #else