1# 2# CDDL HEADER START 3# 4# The contents of this file are subject to the terms of the 5# Common Development and Distribution License (the "License"). 6# You may not use this file except in compliance with the License. 7# 8# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9# or http://www.opensolaris.org/os/licensing. 10# See the License for the specific language governing permissions 11# and limitations under the License. 12# 13# When distributing Covered Code, include this CDDL HEADER in each 14# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15# If applicable, add the following below this CDDL HEADER, with the 16# fields enclosed by brackets "[]" replaced with your own identifying 17# information: Portions Copyright [yyyy] [name of copyright owner] 18# 19# CDDL HEADER END 20# 21 22# 23# Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. 24# 25 26# 27# Test whether CR #6763594 ('ksh93 executes command after "command" 28# builtin twice on failure') has been fixed. 29# 30# Quote from CR #6763594: 31# ---- snip ---- 32# ksh93 has a bug which causes shell to execute the command after the 33# "command" builtin to be executed twice if "command" fails: 34# -- snip -- 35# $ ksh93 -x -c 'print "true" >myfoo ; chmod a+x,a-r myfoo ; command ./myfoo ; 36# print $?' 37# + print true 38# + 1> myfoo 39# + chmod a+x,a-r myfoo 40# + command ./myfoo 41# ksh93[1]: ./myfoo: ./myfoo: cannot open [Permission denied] 42# + print 1 43# 1 44# + print 0 45# 0 46# -- snip -- 47# The "print" command at the end is executed twice in this case since 48# the shell jumps to the wrong position in the execution sequence. 49# 50# The correct output should be: 51# -- snip -- 52# $ ksh93 -x -c 'print "true" >myfoo ; chmod a+x,a-r myfoo ; command ./myfoo ; 53# print $?' 54# + print true 55# + 1> myfoo 56# + chmod a+x,a-r myfoo 57# + command ./myfoo 58# ksh93[1]: ./myfoo: ./myfoo: cannot open [Permission denied] 59# + print 1 60# 1 61# -- snip -- 62# ---- snip ---- 63 64 65# test setup 66function err_exit 67{ 68 print -u2 -n "\t" 69 print -u2 -r ${Command}[$1]: "${@:2}" 70 (( Errors < 127 && Errors++ )) 71} 72alias err_exit='err_exit $LINENO' 73 74set -o nounset 75Command=${0##*/} 76integer Errors=0 77 78 79typeset testtmpdir=/tmp/ksh93_test_cr_6763594_${PPID}_$$ 80mkdir "${testtmpdir}" || { err_exit "Could not create temporary directory ${testtmpdir}." ; exit ${Errors} ; } 81 82cd "${testtmpdir}" || { err_exit "Cannot cd to temporary directory ${testtmpdir}." ; exit ${Errors} ; } 83 84typeset s 85 86${SHELL} -c 'print "true" >myfoo ; chmod a+x,a-r myfoo ; command ./myfoo ; print $?' 1>out_stdout 2>out_stderr 87(( $? == 0 )) || err_exit "Return code $?, expected 0" 88 89s=$( < out_stdout ) ; [[ "$s" == '126' ]] || err_exit "Expected '126', got $(printf "%q\n" "$s")." 90s=$( < out_stderr ) ; [[ "$s" == ~(Elr)(.*:\ \./myfoo:\ \./myfoo:\ .*\[.*\]) ]] || err_exit "Output $(printf "%q\n" "$s") does not match pattern '~(Elr)(.*:\ \./myfoo:\ \./myfoo:\ .*\[.*\])'." 91 92rm "myfoo" "out_stdout" "out_stderr" || err_exit "rm failed." 93cd .. 94rmdir "${testtmpdir}" || err_exit "Failed to remove temporary directory ${testtmpdir}." 95 96 97# tests done 98exit $((Errors)) 99