i3lock-color

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commit 53987df490e720af98c1d079e583da5e8228d9c3
parent 7ba6f073221c11cb6c6bee434b9b3456d6f73074
Author: Michael Stapelberg <michael@stapelberg.de>
Date:   Sat, 15 Jan 2011 14:47:06 +0100

Bugfix: correctly check for errors when connecting to X11

Diffstat:
M
i3lock.c
 | 
5
+++--

1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/i3lock.c b/i3lock.c
@@ -347,8 +347,9 @@ int main(int argc, char *argv[]) {
         errx(EXIT_FAILURE, "PAM: %s\n", pam_strerror(pam_handle, ret));
 
     /* Initialize connection to X11 */
-    if ((conn = xcb_connect(NULL, &screen)) == NULL)
-        err(EXIT_FAILURE, "xcb_connect()");
+    if ((conn = xcb_connect(NULL, &screen)) == NULL ||
+        xcb_connection_has_error(conn))
+        errx(EXIT_FAILURE, "Could not connect to X11, maybe you need to set DISPLAY?");
 
     if (!dont_fork) {
         /* In the parent process, we exit */