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| -rw-r--r-- | src/config.h.in | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/config.h.in b/src/config.h.in index 2792313..197e97e 100644 --- a/src/config.h.in +++ b/src/config.h.in @@ -23,3 +23,38 @@ #define CMARK_INLINE inline #endif #endif + +/* snprintf and vsnprintf fallbacks for MSVC before 2015, + due to Valentin Milea http://stackoverflow.com/questions/2915672/ +*/ + +#if defined(_MSC_VER) && _MSC_VER < 1900 + +#define snprintf c99_snprintf +#define vsnprintf c99_vsnprintf + +CMARK_INLINE int c99_vsnprintf(char *outBuf, size_t size, const char *format, va_list ap) +{ + int count = -1; + + if (size != 0) + count = _vsnprintf_s(outBuf, size, _TRUNCATE, format, ap); + if (count == -1) + count = _vscprintf(format, ap); + + return count; +} + +CMARK_INLINE int c99_snprintf(char *outBuf, size_t size, const char *format, ...) +{ + int count; + va_list ap; + + va_start(ap, format); + count = c99_vsnprintf(outBuf, size, format, ap); + va_end(ap); + + return count; +} + +#endif |