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Fixed reuse of va_list in traceVargs 

It's not safe to reuse va_list over multiple var-arg calls.
This commit is contained in:
Stephen Hill 2016-05-01 18:31:24 -04:00
parent 358ec62a52
commit bd822fffa6
1 changed files with 4 additions and 1 deletions
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5
src/bgfx.cpp
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@ -65,8 +65,11 @@ namespace bgfx
{
char temp[2048];
char* out = temp;
va_list argListCopy;
va_copy(argListCopy, _argList);
int32_t len = bx::snprintf(out, sizeof(temp), "%s (%d): ", _filePath, _line);
int32_t total = len + bx::vsnprintf(out + len, sizeof(temp)-len, _format, _argList);
int32_t total = len + bx::vsnprintf(out + len, sizeof(temp)-len, _format, argListCopy);
va_end(argListCopy);
if ( (int32_t)sizeof(temp) < total)
{
out = (char*)alloca(total+1);