From eb7b5f46a3ce11ed41362cfce1675da3932b8e17 Mon Sep 17 00:00:00 2001
From: Poul-Henning Kamp <phk@FreeBSD.org>
Date: Mon, 27 Sep 2004 08:24:05 +0000
Subject: Stop on write error.

---
 usr.sbin/lpr/lptest/lptest.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'usr.sbin')

diff --git a/usr.sbin/lpr/lptest/lptest.c b/usr.sbin/lpr/lptest/lptest.c
index c73b7962ed89..304296392e92 100644
--- a/usr.sbin/lpr/lptest/lptest.c
+++ b/usr.sbin/lpr/lptest/lptest.c
@@ -49,6 +49,7 @@ __FBSDID("$FreeBSD$");
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <err.h>
 
 /*
  * lptest -- line printer test program (and other devices).
@@ -75,11 +76,13 @@ main(int argc, char **argv)
 			fc = ' ';
 		nc = fc;
 		for (j = 0; j < len; j++) {
-			putchar(nc);
+			if (putchar(nc) == EOF)
+				err(1, "Write error");
 			if (++nc == 0177)
 				nc = ' ';
 		}
-		putchar('\n');
+		if (putchar('\n') == EOF)
+			err(1, "Write error");
 	}
 	(void) fflush(stdout);
 	exit(0);
-- 
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