Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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27 lines
684 B
27 lines
684 B
5 years ago
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#include "upb/port_def.inc"
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#ifdef UPB_MSVC_VSNPRINTF
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/* Visual C++ earlier than 2015 doesn't have standard C99 snprintf and
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* vsnprintf. To support them, missing functions are manually implemented
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* using the existing secure functions. */
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int msvc_vsnprintf(char* s, size_t n, const char* format, va_list arg) {
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if (!s) {
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return _vscprintf(format, arg);
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}
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int ret = _vsnprintf_s(s, n, _TRUNCATE, format, arg);
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if (ret < 0) {
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ret = _vscprintf(format, arg);
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}
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return ret;
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}
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int msvc_snprintf(char* s, size_t n, const char* format, ...) {
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va_list arg;
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va_start(arg, format);
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int ret = msvc_vsnprintf(s, n, format, arg);
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va_end(arg);
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return ret;
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}
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#endif
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