From ec2c84d3c4dba4b74440d72bdd1de416a9acd2a9 Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Tue, 15 Mar 2011 17:41:53 +0800
Subject: [PARSER] Fix clobbering of checkkwd

On Sun, Nov 07, 2010 at 02:21:21AM +0000, Jonathan Nieder wrote:
>
> Just ran into some strange behavior:
>
> $ cat test.sh
> #!/bin/sh
> echo hello >greeting
> cat <<EOF &&
> $(cat greeting)
> EOF
> {
> 	echo $?
> 	cat greeting
> } >/dev/null
>
>
> $ sh test.sh
> hello
> test.sh: 7: {: not found
> 127
> hello
> test.sh: 10: Syntax error: "}" unexpected
>
> bash, mksh, pdksh, and ksh93 all print hello as expected.  The problem
> is reproducible with all versions of dash in the git repo.

This is caused by the clobbering of checkkwd due to readtoken
recursion while parsing a here document.

This patch fixes it by saving the original value of checkkwd.

Reported-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 ChangeLog | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'ChangeLog')

diff --git a/ChangeLog b/ChangeLog
index 5b6d53e..50a8044 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2011-03-15  Herbert Xu <herbert@gondor.apana.org.au>
+
+	* Fix clobbering of checkkwd.
+
 2011-03-15  Jonathan Nieder <jrnieder@gmail.com>
 
 	* Free IFS state after here document expansion.
-- 
cgit 1.4.1