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authorHerbert Xu <herbert@gondor.apana.org.au>2010-05-27 15:03:46 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2010-05-27 15:03:46 +0800
commitb112dc08c6c86b8b82d60b1169ccab51921241ca (patch)
tree04bb75f4f823114f566d68ec52745421268baa99 /src/.gitignore
parent[REDIR] Move null redirect checks into caller (diff)
downloaddash-b112dc08c6c86b8b82d60b1169ccab51921241ca.tar.gz
dash-b112dc08c6c86b8b82d60b1169ccab51921241ca.zip
[REDIR] Fix popredir on abnormal exit from built-in
Just like the poplocalvar problem recently fixed, redirections
can also be leaked in case of an abnormal exit.  This patch fixes
it using the same method as poplocalvar, by storing the previous
redirection state and restoring to that point.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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