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#include "upb/upb.h"
#include "upb/port_def.inc"
#ifdef UPB_MSVC_VSNPRINTF
/* Visual C++ earlier than 2015 doesn't have standard C99 snprintf and
* vsnprintf. To support them, missing functions are manually implemented
* using the existing secure functions. */
int msvc_vsnprintf(char* s, size_t n, const char* format, va_list arg) {
if (!s) {
return _vscprintf(format, arg);
}
int ret = _vsnprintf_s(s, n, _TRUNCATE, format, arg);
if (ret < 0) {
ret = _vscprintf(format, arg);
}
return ret;
}
int msvc_snprintf(char* s, size_t n, const char* format, ...) {
va_list arg;
va_start(arg, format);
int ret = msvc_vsnprintf(s, n, format, arg);
va_end(arg);
return ret;
}
#endif
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