Fixing windows's aprintf

include/transcoder.h

@@ -21,4 +21,5 @@ API stream *extract_infos(const char *path,
 
 API void destroy_stream(stream *s);
 
-API void free_streams(stream *streamsPtr, unsigned count);
+API void free_streams(stream *streamsPtr, unsigned count);
+

src/compatibility.c

@@ -37,12 +37,12 @@ int vasprintf(char **buffer, const char *fmt, va_list args)
 	int len;
 
 	va_copy(copy, args);
-	len = vsprintf(NULL, fmt, args);
+	len = _vscprintf(fmt, args);
 	va_end(copy);
 
 	*buffer = malloc(sizeof(char) * (len + 1));
 	if (!*buffer)
-		return 0;
+		return -1;
 	vsprintf(*buffer, fmt, args);
 	return len;
 }

src/destroyer.c

@@ -19,4 +19,4 @@ API void free_streams(stream *s, unsigned count)
 	for (unsigned i = 0; i < count; i++)
 		destroy_stream(s + i);
 	free(s);
-}
+}