From 63e56bc208b7094164a950b3cedf1b6bad6a2ef7 Mon Sep 17 00:00:00 2001
From: Peter Harris <peter.harris@hummingbird.com>
Date: Wed, 21 Nov 2007 14:04:48 -0500
Subject: [PATCH] Prevet a GPF when calling get_status on a failed connection.

---
 lxcb.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lxcb.c b/lxcb.c
index b7d35d8..129f5ce 100644
--- a/lxcb.c
+++ b/lxcb.c
@@ -108,6 +108,8 @@ extern void push_Setup(lua_State *L, const xcb_setup_t *x); //Temporary until I
 static int GetSetup(lua_State *L)
 {
     xcb_connection_t *c;
+    const xcb_setup_t *setup;
+    
     c = ((xcb_connection_t **)luaL_checkudata(L, 1, MT_DISPLAY))[0];
     
     lua_getfenv(L, 1);
@@ -115,7 +117,11 @@ static int GetSetup(lua_State *L)
     if (lua_toboolean(L, -1))
 	luaL_error(L, "Error: already disconnected");
 
-    push_Setup(L, xcb_get_setup(c));
+    setup = xcb_get_setup(c);
+    if (!setup)
+	luaL_error(L, "Error: connection failed");
+    
+    push_Setup(L, setup);
     return 1;
 }
 
-- 
2.11.4.GIT