From 4d794cd69d5308a88a2453f3613260f0db8be8a7 Mon Sep 17 00:00:00 2001
From: clsr <clsr@clsr.net>
Date: Sun, 9 Jun 2019 13:44:41 +0200
Subject: Handle XOpenDisplay failure and close std{in,out,err} when run

---
 dwmclock.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

(limited to 'dwmclock.c')

diff --git a/dwmclock.c b/dwmclock.c
index 95d9679..95a0db0 100644
--- a/dwmclock.c
+++ b/dwmclock.c
@@ -91,11 +91,19 @@ int main(void)
 	sigaction(SIGQUIT, &act, NULL);
 	sigaction(SIGTERM, &act, NULL);
 
-	disp = XOpenDisplay(NULL);
+	if (!(disp = XOpenDisplay(NULL))) {
+		return EXIT_FAILURE;
+	}
 	screen = DefaultScreen(disp);
-	root = RootWindow(disp, screen);
+	if (!(root = RootWindow(disp, screen))) {
+		return EXIT_FAILURE;
+	}
 	XFetchName(disp, root, &origname);
 
+	fclose(stdin);
+	fclose(stdout);
+	fclose(stderr);
+
 #ifdef BATTERY
 	for (i=0; !stop; ++i) {
 #else
@@ -155,5 +163,5 @@ int main(void)
 	}
 	XCloseDisplay(disp);
 
-	return 0;
+	return EXIT_SUCCESS;
 }
-- 
cgit