From: Denys Vlasenko <dvlasenk@redhat.com>
Date: Mon, 13 Dec 2010 13:28:38 +0000 (+0100)
Subject: more: exit if write to stdout errors out
X-Git-Tag: 1_19_0~460
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=0b90de15375b643d2b21695fae3e46908e1effa6;p=oweals%2Fbusybox.git

more: exit if write to stdout errors out

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
---

diff --git a/util-linux/more.c b/util-linux/more.c
index 788609a08..ecac92821 100644
--- a/util-linux/more.c
+++ b/util-linux/more.c
@@ -191,6 +191,9 @@ int more_main(int argc UNUSED_PARAM, char **argv)
 			}
 			/* My small mind cannot fathom backspaces and UTF-8 */
 			putchar(c);
+
+			if (ferror(stdout)) /* if tty was destroyed (closed xterm, etc) */
+				goto end;
 		}
 		fclose(file);
 		fflush_all();