@@ -133,7 +133,10 @@ void av_file_unmap(uint8_t *bufptr, size_t size)

 int av_tempfile(const char *prefix, char **filename) {

     int fd=-1;

 #if !HAVE_MKSTEMP

-    *filename = tempnam(".", prefix);

+    void *ptr= tempnam(".", prefix);

+    *filename = av_strdup(ptr);

+#undef free

+    free(ptr);

 #else

     size_t len = strlen(prefix) + 12; /* room for "/tmp/" and "XXXXXX\0" */

     *filename = av_malloc(len);