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* eval: Only restore exit status on exit/returnHerbert Xu2019-02-25
| | | | | | | | | | We unconditionally restore the saved status in exitreset, which is incorrect as we only want to do it for exitcmd and returncmd. This patch fixes the problem by introducing EXEND. Reported-by: Martijn Dekker <martijn@inlv.org> Fixes: da30b4b78769 ("[BUILTIN] Exit without arguments in a trap...") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [SHELL] Improve LINENO supportHarald van Dijk2011-03-15
| | | | | | | | | | | | This patch improves LINENO support by storing line numbers in the parse tree, for commands as well as for function definitions. It makes LINENO behaves properly when calling functions, and has the added benefit of improved line numbers in error messages when the last-parsed command is not the last-executed one. It removes the earlier LINENO support, and instead sets LINENO from evaltree when a command is executed Signed-off-by: Harald van Dijk <harald@gigawatt.nl> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [BUILTIN] Stop documenting EXSHELLPROCJonathan Nieder2010-11-28
| | | | | | | | | | | At some point between ash 0.3.5-11.0.1 and ash 0.3.8-37, Debian ash stopped using the EXSHELLPROC exception to handle shell scripts without a magic number. Remove all remaining references to it to avoid confusion. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [BUILTIN] Use EXEXIT in place of EXEXECJonathan Nieder2010-11-28
| | | | | | | | | | | | | | | | | | | | | | The intended semantics of EXEXEC are identical to EXEXIT, so simplify by using EXEXIT directly. Functional change: in edge cases (exec within a trap handler), this causes the exit status from exec not to be clobbered. For example, without this patch: $ sh -c 'trap "exec nonexistent" EXIT'; echo $? exec: 1: nonexistent: not found 0 And with it: $ sh -c 'trap "exec nonexistent" EXIT'; echo $? exec: 1: nonexistent: not found 127 Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [SIGNAL] Remove EXSIGHerbert Xu2009-02-22
| | | | | | Now that waitcmd no longer uses EXSIG we can remove it. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
* [SIGNAL] Removed use of __P from error.hHerbert Xu2005-10-29
| | | | | This is the only instance of __P in the entire source so it makes sense to get rid of it rather than making it work with klibc.
* 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.
* Renamed error to sh_error.herbert2005-09-26
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* Replaced EXEVAL with SKIPEVAL.herbert2005-09-26
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* Eliminated global exerrno.herbert2005-09-26
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* Catch set -e exits within built-in commands.herbert2005-09-26
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* Initial import.Herbert Xu2005-09-26