Use C99 snprintf() for VS2013 or older

Author: saper

src/c99func.c

@@ -0,0 +1,59 @@
+/*
+  Copyright (C) 2011 Joseph A. Adams ([email protected])
+  All rights reserved.
+
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to deal
+  in the Software without restriction, including without limitation the rights
+  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+  copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
+
+  The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+  THE SOFTWARE.
+*/
+
+#ifdef _MSC_VER
+#define _CRT_SECURE_NO_WARNINGS
+#define _CRT_NONSTDC_NO_DEPRECATE
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+#ifdef snprintf
+#undef snprintf
+#endif
+
+static int c99_vsnprintf(char* str, size_t size, const char* format, va_list ap)
+{
+    int count = -1;
+
+    if (size != 0)
+        count = _vsnprintf_s(str, size, _TRUNCATE, format, ap);
+    if (count == -1)
+        count = _vscprintf(format, ap);
+
+    return count;
+}
+
+int snprintf(char* str, size_t size, const char* format, ...)
+{
+    int count;
+    va_list ap;
+
+    va_start(ap, format);
+    count = c99_vsnprintf(str, size, format, ap);
+    va_end(ap);
+
+    return count;
+}

src/json.cpp

@@ -35,34 +35,12 @@
 #include <string.h>
 
 #if defined(_MSC_VER) && _MSC_VER < 1900
-
 #include <stdarg.h>
-#define snprintf c99_snprintf
-
-inline int c99_vsnprintf(char* str, size_t size, const char* format, va_list ap)
-{
-    int count = -1;
-
-    if (size != 0)
-        count = _vsnprintf_s(str, size, _TRUNCATE, format, ap);
-    if (count == -1)
-        count = _vscprintf(format, ap);
-
-    return count;
-}
-
-inline int c99_snprintf(char* str, size_t size, const char* format, ...)
-{
-    int count;
-    va_list ap;
-
-    va_start(ap, format);
-    count = c99_vsnprintf(str, size, format, ap);
-    va_end(ap);
-
-    return count;
-}
-#endif // _MSC_VER
+#ifdef snprintf
+#undef snprintf
+#endif
+extern "C" int snprintf(char *, size_t, const char *, ...);
+#endif
 
 #define out_of_memory() do {                    \
     fprintf(stderr, "Out of memory.\n");    \

win/libsass.vcxproj

@@ -238,6 +238,9 @@
     <ClCompile Include="..\src\values.cpp" />
     <ClCompile Include="..\sassc\sassc.c" />
   </ItemGroup>
+  <ItemGroup Condition="$(VisualStudioVersion) &lt; 14.0">
+    <ClCompile Include="..\src\c99func.c" />
+  </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\src\ast.hpp" />
     <ClInclude Include="..\src\ast_def_macros.hpp" />