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authorDenys Vlasenko <vda.linux@googlemail.com>2020-02-22 17:26:23 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2020-02-22 17:26:23 +0100
commitc08993f40c0c6c7bdf453e77c3aa9dae8ec0dad9 (patch)
tree01a44b93192180ac09ba94016f05e9ba8db15fc9 /util-linux
parent9a1a659707a18c29166c3e2977523102866d7aed (diff)
downloadbusybox-c08993f40c0c6c7bdf453e77c3aa9dae8ec0dad9.tar.gz
ash: parser: Do not push token back before parseheredoc
Upstream commit: Date: Mon, 19 Nov 2018 18:43:58 +0800 parser: Do not push token back before parseheredoc When we read the first token in list() we use peektoken instead of readtoken as the following code needs to use the same token again. However, this is wrong when we're in a here-document as it will clobber the saved token without resetting the tokpushback flag. This patch fixes it by doing the tokpushback after parseheredoc and setting lasttoken again if parseheredoc was called. Reported-by: Ron Yorston <rmy@frippery.org> Fixes: 7c245aa8ed33 ("[PARSER] Simplify EOF/newline handling in...") Fixes: ee5cbe9fd6bc ("[SHELL] Optimize dash -c "command" to avoid a fork") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Tested-by: Simon Ser <contact@emersion.fr> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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