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public: crtlib: check for empty buffer in Q_vsnprintf

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This commit is contained in:
Alibek Omarov 2025-02-06 21:19:10 +03:00
parent add02dc6f9
commit 151e7fe37b
1 changed files with 3 additions and 0 deletions
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public/crtlib.c
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@ -339,6 +339,9 @@ int Q_vsnprintf( char *buffer, size_t buffersize, const char *format, va_list ar
{ {
int result; int result;
if( unlikely( buffersize == 0 ))
return -1; // report as overflow
#ifndef _MSC_VER #ifndef _MSC_VER
result = vsnprintf( buffer, buffersize, format, args ); result = vsnprintf( buffer, buffersize, format, args );
#else #else