From 82e3ddce6c28efef6b292fef6c1636bc73831d04 Mon Sep 17 00:00:00 2001
From: toni <matzeton@googlemail.com>
Date: Fri, 8 Jul 2016 00:26:18 +0200
Subject: c-c-c-c-condition

---
 xidle.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/xidle.c b/xidle.c
index ade5407..b6f7188 100644
--- a/xidle.c
+++ b/xidle.c
@@ -21,8 +21,10 @@ int main(int argc, char *argv[])
   display = XOpenDisplay("");
 
   if (XScreenSaverQueryExtension(display, &event_base, &error_base)) {
-    XScreenSaverQueryInfo(display, DefaultRootWindow(display), &info);
-
+    if (XScreenSaverQueryInfo(display, DefaultRootWindow(display), &info) != True) {
+      fprintf(stderr, "Error: XScreenSaver QueryInfo failed\n");
+      return -1;
+    }
     seconds = (float)info.idle/1000.0f;
     if ( d_seconds > 0 ) {
       if (d_seconds <= (unsigned int) seconds) {
-- 
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