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author | Herbert Xu <herbert@gondor.apana.org.au> | 2011-03-15 17:41:53 +0800 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2011-03-15 17:41:53 +0800 |
commit | ec2c84d3c4dba4b74440d72bdd1de416a9acd2a9 (patch) | |
tree | ba0dc60e76629ab37a243b7b57efcb0ed297a6e3 /Makefile.am | |
parent | [DEBUG] Use va_copy when reusing a va_list (diff) | |
download | dash-ec2c84d3c4dba4b74440d72bdd1de416a9acd2a9.tar.gz dash-ec2c84d3c4dba4b74440d72bdd1de416a9acd2a9.zip |
[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>
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