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* [REDIR] Fix popredir on abnormal exit from built-inHerbert Xu2010-05-27
| | | | | | | | | 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>
* [REDIR] Fix incorrect savefd conversionsHerbert Xu2009-06-27
| | | | | | | | | When I added savefd we may end up closing stderr if that is how we get to the tty. This patch fixes by adding a second argument to indicate what fd should be closed which lets jobs.c get around the problem. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [REDIR] Remove redundant CLOEXEC callsHerbert Xu2007-05-12
| | | | | Now that we're marking file descriptors as CLOEXEC in savefd, we no longer need to close them on exec or in setinputfd.
* [REDIR] Replace copyfd by savefd and use dup2 elsewhereHerbert Xu2007-05-12
| | | | | | | There are two kinds of users to copyfd, those that want to copy an fd to an exact value and those that want to move an fd to a value >= 10. The former can simply use dup2 directly while the latter share a lot of common code that now constitutes savefd.
* Copyright/licence updates and remove all traces of sys/cdefs.hHerbert Xu2005-10-29
| | | | | | | | | | | This change updates the BSD licence to the three-clause version since NetBSD has already done so. This makes dash GPL-compatible. It also adds Christos Zoulas (NetBSD ash maintainer) to the COPYING file. I've added "copyright by Herbert Xu" to most files. Finally all CVS IDs and inclusion of sys/cdefs.h have been removed. The latter is needed for support of klibc.
* Initial import.Herbert Xu2005-09-26