diff options
Diffstat (limited to 'i3lock.c')
-rw-r--r-- | i3lock.c | 5 |
1 files changed, 3 insertions, 2 deletions
@@ -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 */ |