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From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Fri, 6 May 2011 12:49:32 +0000 (UTC)
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Subject: svn commit: r221522 - in stable/8: bin/sh
	tools/regression/bin/sh/expansion
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Author: jilles
Date: Fri May  6 12:49:32 2011
New Revision: 221522
URL: http://svn.freebsd.org/changeset/base/221522

Log:
  MFC r220903: sh: Do not word split "${#parameter}".
  
  This is only a problem if IFS contains digits, which is unusual but valid.
  
  Because of an incorrect fix for PR bin/12137, "${#parameter}" was treated
  as ${#parameter}. The underlying problem was that "${#parameter}"
  erroneously added CTLESC bytes before determining the length. This
  was properly fixed for PR bin/56147 but the incorrect fix was not backed
  out.
  
  Reported by:	Seeker on forums.freebsd.org

Added:
  stable/8/tools/regression/bin/sh/expansion/length6.0
     - copied unchanged from r220903, head/tools/regression/bin/sh/expansion/length6.0
Modified:
  stable/8/bin/sh/parser.c
Directory Properties:
  stable/8/bin/sh/   (props changed)
  stable/8/tools/regression/bin/sh/   (props changed)

Modified: stable/8/bin/sh/parser.c
==============================================================================
--- stable/8/bin/sh/parser.c	Fri May  6 07:13:34 2011	(r221521)
+++ stable/8/bin/sh/parser.c	Fri May  6 12:49:32 2011	(r221522)
@@ -1289,7 +1289,7 @@ parsesub: {
 			pungetc();
 		}
 		STPUTC('=', out);
-		if (subtype != VSLENGTH && (dblquote || arinest))
+		if (dblquote || arinest)
 			flags |= VSQUOTE;
 		*(stackblock() + typeloc) = subtype | flags;
 		if (subtype != VSNORMAL)

Copied: stable/8/tools/regression/bin/sh/expansion/length6.0 (from r220903, head/tools/regression/bin/sh/expansion/length6.0)
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ stable/8/tools/regression/bin/sh/expansion/length6.0	Fri May  6 12:49:32 2011	(r221522, copy of r220903, head/tools/regression/bin/sh/expansion/length6.0)
@@ -0,0 +1,8 @@
+# $FreeBSD$
+
+x='!@#$%^&*()[]'
+[ ${#x} = 12 ] || echo bad 1
+[ "${#x}" = 12 ] || echo bad 2
+IFS=2
+[ ${#x} = 1 ] || echo bad 3
+[ "${#x}" = 12 ] || echo bad 4