tools/optimizer/snprintf.h

#include <stdarg.h>

// Visual Studio does not support C99, so emulate snprintf support for it manually.

#ifdef _MSC_VER

#define snprintf c99_snprintf

inline int c99_vsnprintf(char* str, size_t size, const char* format, va_list ap)
{
	int count = -1;

	if (size != 0)
		count = _vsnprintf_s(str, size, _TRUNCATE, format, ap);
	if (count == -1)
		count = _vscprintf(format, ap);

	return count;
}

inline int c99_snprintf(char* str, size_t size, const char* format, ...)
{
	int count;
	va_list ap;

	va_start(ap, format);
	count = c99_vsnprintf(str, size, format, ap);
	va_end(ap);

	return count;
}
#endif