tree 04bb75f4f823114f566d68ec52745421268baa99
parent f74ae6869a7a9124c8a5cb5f3f64491d28200cc3
author Herbert Xu <herbert@gondor.apana.org.au> 1274943826 +0800
committer Herbert Xu <herbert@gondor.apana.org.au> 1274943826 +0800

[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>