add missing ust_snprintf.h

diff --git a/include/ust_snprintf.h b/include/ust_snprintf.h
new file mode 100644 (file)
index 0000000..da63dc6
--- /dev/null
+++ b/include/ust_snprintf.h
@@ -0,0 +1,9 @@
+#ifndef UST_SNPRINTF
+#define UST_SNPRINTF
+
+#include <stdarg.h>
+
+extern int ust_safe_vsnprintf(char *str, size_t n, const char *fmt, va_list ap);
+extern int ust_safe_snprintf(char *str, size_t n, const char *fmt, ...);
+
+#endif /* UST_SNPRINTF */