Merge remote repo native into ext/native/.

ext/native/base/compat.cpp

@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <stdarg.h>
+
+#include "base/compat.h"
+
+#if defined(_MSC_VER) && _MSC_VER < 1900
+
+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 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