From 115c65d3f466401f9804565f5ed333336e003c63 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Fri, 9 Mar 2001 18:03:22 +0000
Subject: Ensure that /dev/full is a character device (using test -c) as well
 as being writable, before trying to write to it. Otherwise, the test could
 mistakenly append a newline to an existing, regular, writable, /dev/full
 file. Suggested by Ulrich Drepper.

---
 tests/help-version | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'tests/help-version')

diff --git a/tests/help-version b/tests/help-version
index a30a309f1..d0ae9a4d6 100755
--- a/tests/help-version
+++ b/tests/help-version
@@ -11,7 +11,7 @@ expected_failure_status_sort=2
 
 case "$all_programs" in
   *nohup*)
-    if test -w /dev/full && echo > /dev/full; then
+    if test -w /dev/full && test -c /dev/full && echo > /dev/full; then
       cat 1>&2 <<\EOF
 ************************************************
 WARNING: On this system, the built-in echo function of /bin/sh
@@ -51,7 +51,7 @@ for i in $all_programs; do
   ./$i --version >/dev/null || fail=1
 
   # Make sure they fail upon `disk full' error.
-  if test -w /dev/full; then
+  if test -w /dev/full && test -c /dev/full; then
     ./$i --help >/dev/full 2>/dev/null && fail=1
     ./$i --version >/dev/full 2>/dev/null
     status=$?
-- 
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