From 53192e17e55aa9ed3e3721bf4fdcb2b01a595202 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Fri, 31 Aug 2012 15:18:29 +0200
Subject: randrproto xwininfo fontconfig libxcb mesa xkeyboard-config pixman
xserver git update 31 Aug 2012
---
apps/xwininfo/dsimple.c | 27 +++++++++++++++++++++++----
1 file changed, 23 insertions(+), 4 deletions(-)
(limited to 'apps/xwininfo')
diff --git a/apps/xwininfo/dsimple.c b/apps/xwininfo/dsimple.c
index e6d320ed7..6432e1335 100644
--- a/apps/xwininfo/dsimple.c
+++ b/apps/xwininfo/dsimple.c
@@ -108,19 +108,38 @@ void Setup_Display_And_Screen (
xcb_connection_t **dpy, /* MODIFIED */
xcb_screen_t **screen) /* MODIFIED */
{
- int screen_number, i;
+ int screen_number, i, err;
/* Open Display */
*dpy = xcb_connect (display_name, &screen_number);
- if (xcb_connection_has_error (*dpy)) {
- Fatal_Error ("unable to open display \"%s\"",
- Get_Display_Name(display_name) );
+ if ((err = xcb_connection_has_error (*dpy)) != 0) {
+ switch (err) {
+ case XCB_CONN_CLOSED_MEM_INSUFFICIENT:
+ Fatal_Error ("Failed to allocate memory in xcb_connect");
+ case XCB_CONN_CLOSED_PARSE_ERR:
+ Fatal_Error ("unable to parse display name \"%s\"",
+ Get_Display_Name(display_name) );
+#ifdef XCB_CONN_CLOSED_INVALID_SCREEN
+ case XCB_CONN_CLOSED_INVALID_SCREEN:
+ Fatal_Error ("invalid screen %d in display \"%s\"",
+ screen_number, Get_Display_Name(display_name));
+#endif
+ default:
+ Fatal_Error ("unable to open display \"%s\"",
+ Get_Display_Name(display_name) );
+ }
}
if (screen) {
/* find our screen */
const xcb_setup_t *setup = xcb_get_setup(*dpy);
xcb_screen_iterator_t screen_iter = xcb_setup_roots_iterator(setup);
+ int screen_count = xcb_setup_roots_length(setup);
+ if (screen_count <= screen_number)
+ {
+ Fatal_Error ("unable to access screen %d, max is %d",
+ screen_number, screen_count-1 );
+ }
for (i = 0; i < screen_number; i++)
xcb_screen_next(&screen_iter);
--
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