Fallback to TCP if no protocol is specified and the UNIX connection fails

[free-sw/xcb/libxcb] / src / xcb_util.c

diff --git a/src/xcb_util.c b/src/xcb_util.c
index 7173db3..f17aa3c 100644 (file)
--- a/src/xcb_util.c
+++ b/src/xcb_util.c
@@ -235,6 +235,11 @@ static int _xcb_open(const char *host, char *protocol, const int display)
     fd = _xcb_open_unix(protocol, file);
     free(file);
 
+    if (fd < 0 && !protocol && *host == '\0') {
+           unsigned short port = X_TCP_PORT + display;
+           fd = _xcb_open_tcp(host, protocol, port);
+    }
+
     return fd;
 #endif /* !_WIN32 */
     return -1; /* if control reaches here then something has gone wrong */