From: Jonas Fonseca <fonseca@diku.dk>
Date: Mon, 24 Jul 2006 21:35:41 +0000 (+0200)
Subject: Check the value returned by fopen() during display initialization
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=e6f606748a384c5681985ec063f976520e93156a;p=tig.git

Check the value returned by fopen() during display initialization

12:12 < kahmalo> Opening /dev/tty may fail; what does newterm do then?
20:15 < Miciah> fonseca: You always gotta check the return value of fopen. Silly head.
---

diff --git a/tig.c b/tig.c
index 8bae0d5..6a1f3d1 100644
--- a/tig.c
+++ b/tig.c
@@ -2583,6 +2583,8 @@ init_display(void)
 		/* Leave stdin and stdout alone when acting as a pager. */
 		FILE *io = fopen("/dev/tty", "r+");
 
+		if (!io)
+			die("Failed to open /dev/tty");
 		cursed = !!newterm(NULL, io, io);
 	}