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From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Sun, 15 Aug 2010 17:14:06 +0000 (UTC)
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Subject: svn commit: r211341 - head/tools/regression/bin/sh/expansion
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Author: jilles
Date: Sun Aug 15 17:14:05 2010
New Revision: 211341
URL: http://svn.freebsd.org/changeset/base/211341

Log:
  sh: Test that all bytes from 1 to 127 can be used in IFS.
  
  This also passes on stable/8.

Added:
  head/tools/regression/bin/sh/expansion/ifs2.0   (contents, props changed)

Added: head/tools/regression/bin/sh/expansion/ifs2.0
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/tools/regression/bin/sh/expansion/ifs2.0	Sun Aug 15 17:14:05 2010	(r211341)
@@ -0,0 +1,24 @@
+# $FreeBSD$
+
+failures=0
+i=1
+set -f
+while [ "$i" -le 127 ]; do
+	# A different byte still in the range 1..127.
+	i2=$((i^2+(i==2)))
+	# Add a character to work around command substitution's removal of
+	# final newlines, then remove it again.
+	c=$(printf \\"$(printf %o@ "$i")")
+	c=${c%@}
+	c2=$(printf \\"$(printf %o@ "$i2")")
+	c2=${c2%@}
+	IFS=$c
+	set -- $c2$c$c2$c$c2
+	if [ "$#" -ne 3 ] || [ "$1" != "$c2" ] || [ "$2" != "$c2" ] ||
+	    [ "$3" != "$c2" ]; then
+		echo "Bad results for separator $i (word $i2)" >&2
+		: $((failures += 1))
+	fi
+	i=$((i+1))
+done
+exit $((failures > 0))