From 3ed89ae9324026660dfefb5e482e91b8acc5262d Mon Sep 17 00:00:00 2001
From: Pádraig Brady <P@draigBrady.com>
Date: Sat, 9 Jan 2016 01:38:30 +0000
Subject: wc: avoid ambiguous output with '\n' in file names

* src/wc.c (write_counts): Shell escape the file name
if it contains '\n' so only a single line per file is output.
* tests/misc/wc-files0.sh: Add a test case.
* NEWS: Mention the improvement.
---
 tests/misc/wc-files0.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'tests')

diff --git a/tests/misc/wc-files0.sh b/tests/misc/wc-files0.sh
index b6a204c1c..4562e6a4e 100755
--- a/tests/misc/wc-files0.sh
+++ b/tests/misc/wc-files0.sh
@@ -40,4 +40,12 @@ if test "$fail" = ''; then
   compare exp out || fail=1
 fi
 
+# Ensure file name containing new lines are output on a single line
+nlname='1
+2'
+touch "$nlname" || framework_failure_
+printf '%s\0' "$nlname" | wc --files0-from=- > out || fail=1
+printf '%s\n' "0 0 0 '1'$'\\n''2'" > exp || framework_failure_
+compare exp out || fail=1
+
 Exit $fail
-- 
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