function err_exit
{
print -u2 -n "\t"
print -u2 -r ${Command}[$1]: "${@:2}"
let Errors+=1
}
alias err_exit='err_exit $LINENO'
function abspath
{
base=$(basename $SHELL)
cd ${SHELL%/$base}
newdir=$(pwd)
cd ~-
print $newdir/$base
}
Command=${0integer Errors=0
builtin getconf
ABSHELL=$(abspath)
mkdir /tmp/ksh$$ || err_exit "mkdir /tmp/ksh$$ failed"
cd /tmp/ksh$$ || err_exit "cd /tmp/ksh$$ failed"
print exit 0 >.profile
${ABSHELL} <<!
HOME=$PWD \
PATH=$PATH \
SHELL=$ABSSHELL \
$(
set --noglob
ifs=$IFS
IFS=,
set -- $(getconf LIBPATH)
IFS=$ifs
for v
do IFS=:
set -- $v
IFS=$ifs
eval [[ \$$2 ]] && eval print -n \" \"\$2=\"\$$2\"
done
) \
exec -c -a -ksh ${ABSHELL} -c "exit 1" 1>/dev/null 2>&1
!
status=$(echo $?)
if [[ -o noprivileged && $status != 0 ]]
then err_exit 'exit in .profile is ignored'
elif [[ -o privileged && $status == 0 ]]
then err_exit 'privileged .profile not ignored'
fi
if [[ $(trap 'code=$?; echo $code; trap 0; exit $code' 0; exit 123) != 123 ]]
then err_exit 'exit not setting $?'
fi
cat > run.sh <<- "EOF"
trap 'code=$?; echo $code; trap 0; exit $code' 0
( trap 0; exit 123 )
EOF
if [[ $($SHELL ./run.sh) != 123 ]]
then err_exit 'subshell trap on exit overwrites parent trap'
fi
cd ~- || err_exit "cd back failed"
rm -r /tmp/ksh$$ || err_exit "rm -r /tmp/ksh$$ failed"
exit $((Errors))