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-rw-r--r--src/config.h.in35
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