From 9a84c190d0715494019d6a8ce6c42a89ddd4aca5 Mon Sep 17 00:00:00 2001 From: Johan Danielsson Date: Wed, 22 Apr 1998 01:33:30 +0000 Subject: [PATCH] Check return values from XGrab*. git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4790 ec53bebd-3082-4978-b11e-865c3cabbd6b --- appl/xnlock/xnlock.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/appl/xnlock/xnlock.c b/appl/xnlock/xnlock.c index c2d27f99b..5e3659687 100644 --- a/appl/xnlock/xnlock.c +++ b/appl/xnlock/xnlock.c @@ -1064,10 +1064,14 @@ main (int argc, char **argv) } XtRealizeWidget(override); - XGrabPointer(dpy, XtWindow(widget), TRUE, 0, GrabModeAsync, - GrabModeAsync, XtWindow(widget), None, CurrentTime); - XGrabKeyboard(dpy, XtWindow(widget), TRUE, GrabModeAsync, - GrabModeAsync, CurrentTime); + if((i = XGrabPointer(dpy, XtWindow(widget), True, 0, GrabModeAsync, + GrabModeAsync, XtWindow(widget), + None, CurrentTime)) != 0) + errx(1, "Failed to grab pointer (%d)", i); + + if((i = XGrabKeyboard(dpy, XtWindow(widget), True, GrabModeAsync, + GrabModeAsync, CurrentTime)) != 0) + errx(1, "Failed to grab keyboard (%d)", i); ScreenSaver(1); XtAppMainLoop(app); exit(0);