@@ -152,7 +152,10 @@ int av_tempfile(const char *prefix, char **filename) {

 #   ifndef O_BINARY

 #       define O_BINARY 0

 #   endif

-    fd = open(*filename, O_RDWR | O_BINARY | O_CREAT, 0444);

+#   ifndef O_EXCL

+#       define O_EXCL 0

+#   endif

+    fd = open(*filename, O_RDWR | O_BINARY | O_CREAT | O_EXCL, 0444);

 #else

     snprintf(*filename, len, "/tmp/%sXXXXXX", prefix);

     fd = mkstemp(*filename);