From 703aa13ff5e2b795319a3e900c1f8df6e3da47b5 Mon Sep 17 00:00:00 2001
From: Denis Vlasenko
Date: Mon, 23 Oct 2006 22:43:02 +0000
Subject: watch: fix warning getty: fix breakage; fix excessive stack usage

---
 coreutils/watch.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'coreutils')

diff --git a/coreutils/watch.c b/coreutils/watch.c
index e3e9e06..b188b41 100644
--- a/coreutils/watch.c
+++ b/coreutils/watch.c
@@ -58,8 +58,9 @@ int watch_main(int argc, char **argv)
 			time_t t;
 
 			get_terminal_width_height(STDOUT_FILENO, &width, 0);
+			if (width < 1) width = 1; // paranoia
 			header = xrealloc(header, width--);
-			// We pad with spaces entire length
+			// '%-*s' pads header with spaces to the full width
 			snprintf(header, width, "Every %ds: %-*s", period, width, cmd);
 			time(&t);
 			thyme = ctime(&t);
@@ -75,4 +76,5 @@ int watch_main(int argc, char **argv)
 		system(cmd);
 		sleep(period);
 	}
+	return 0; // gcc thinks we can reach this :)
 }
-- 
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