mirror of
https://https.git.savannah.gnu.org/git/bash.git
synced 2026-06-21 21:07:57 +02:00
Chet Ramey
71 lines
2.1 KiB
Plaintext
71 lines
2.1 KiB
Plaintext
# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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: ${THIS_SH:=$PWD/bash} ${TMPDIR:=/tmp}
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POSIX_SH="${THIS_SH} -o posix"
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# these are the posix special builtins that take a numeric argument
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echo invalid numeric argument
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# default mode
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for b in exit break continue shift; do
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BUILTIN=$b ${THIS_SH} -c 'set -- a b c; (exit 45); for f in _; do $BUILTIN abcde; done; echo after $BUILTIN: $?' bash
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done
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${THIS_SH} -c 'func() { return abcde; echo in func: $?; }; func; echo after return: $?' bash
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# posix mode
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for b in exit break continue shift; do
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BUILTIN=$b ${POSIX_SH} -c 'set -- a b c; (exit 45); for f in _; do $BUILTIN abcde; done; echo after $BUILTIN: $?' bash
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done
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${POSIX_SH} -c 'func() { return abcde; echo in func: $?; }; func; echo after return: $?' bash
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# non-special builtins, no difference
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set -o history
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HISTFILE=/dev/null
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echo a >/dev/null
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echo b >/dev/null
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echo c >/dev/null
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history abcde
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echo after history: $?
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history 10 42
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echo after history: $?
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set +o history
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# too many arguments
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echo too many arguments
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TDIR=$TMPDIR/errors-$$
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TFILE=errors
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mkdir $TDIR || exit 1
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cd $TDIR
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cat <<\EOF >$TFILE
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set -- a b c
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(exit 45)
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for f in _; do $BUILTIN 42 abcde; done
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echo after $BUILTIN: $?
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EOF
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# default mode
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for b in exit return shift break continue; do
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BUILTIN=$b ${THIS_SH} $TFILE # TFILE for consistent error messages
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done
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# posix mode
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for b in exit return shift break continue; do
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BUILTIN=$b ${POSIX_SH} $TFILE # TFILE for consistent error messages
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done
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cd $OLDPWD
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rm -rf $TDIR
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