+#ifdef _WIN32
+
+static inline int
+util_vsnprintf(char *str, size_t size, const char *format, va_list ap)
+{
+ /* We need to use _vscprintf to calculate the length as vsnprintf returns -1
+ * if the number of characters to write is greater than count.
+ */
+ va_list ap_copy;
+ int ret;
+ va_copy(ap_copy, ap);
+ ret = _vsnprintf(str, size, format, ap);
+ if (ret < 0) {
+ ret = _vscprintf(format, ap_copy);
+ }
+ return ret;
+}
+
+static inline int
+ PRINTFLIKE(3, 4)
+util_snprintf(char *str, size_t size, const char *format, ...)
+{
+ va_list ap;
+ int ret;
+ va_start(ap, format);
+ ret = util_vsnprintf(str, size, format, ap);
+ va_end(ap);
+ return ret;
+}
+
+static inline void