From ac812214f6fa81b201b8fcf3779ed8d2c3cfacf7 Mon Sep 17 00:00:00 2001 From: John MacFarlane Date: Mon, 18 Jan 2016 09:23:05 -0800 Subject: config.h.in - added compatibility snprintf, vsnprintf for MSVC. --- src/config.h.in | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) (limited to 'src/config.h.in') 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 -- cgit v1.2.3