1#!/usr/bin/sh 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License, Version 1.0 only 7# (the "License"). You may not use this file except in compliance 8# with the License. 9# 10# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 11# or http://www.opensolaris.org/os/licensing. 12# See the License for the specific language governing permissions 13# and limitations under the License. 14# 15# When distributing Covered Code, include this CDDL HEADER in each 16# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 17# If applicable, add the following below this CDDL HEADER, with the 18# fields enclosed by brackets "[]" replaced with your own identifying 19# information: Portions Copyright [yyyy] [name of copyright owner] 20# 21# CDDL HEADER END 22# 23# Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T 24# All Rights Reserved 25 26 27# Copyright (c) 1999, 2001 by Sun Microsystems, Inc. 28# All rights reserved. 29 30usage="usage: diff3 file1 file2 file3" 31 32# mktmpdir - Create a private (mode 0700) temporary directory inside of /tmp 33# for this process's temporary files. We set up a trap to remove the 34# directory on exit (trap 0), and also on SIGHUP, SIGINT, SIGQUIT, SIGPIPE, 35# and SIGTERM. 36 37mktmpdir() { 38 tmpdir=/tmp/diff3.$$ 39 trap '/usr/bin/rm -rf $tmpdir' 0 1 2 3 13 15 40 /usr/bin/mkdir -m 700 $tmpdir || exit 1 41} 42mktmpdir 43 44e= 45case $1 in 46-*) 47 e=$1 48 shift;; 49esac 50if [ $# != 3 ]; then 51 echo ${usage} 1>&2 52 exit 1 53fi 54if [ \( -f $1 -o -c $1 \) -a \( -f $2 -o -c $2 \) -a \( -f $3 -o -c $3 \) ]; then 55 : 56else 57 echo ${usage} 1>&2 58 exit 1 59fi 60f1=$1 f2=$2 f3=$3 61if [ -c $f1 ] 62then 63 /usr/bin/cat $f1 > $tmpdir/d3c$$ 64 f1=$tmpdir/d3c$$ 65fi 66if [ -c $f2 ] 67then 68 /usr/bin/cat $f2 > $tmpdir/d3d$$ 69 f2=$tmpdir/d3d$$ 70fi 71if [ -c $f3 ] 72then 73 /usr/bin/cat $f3 > $tmpdir/d3e$$ 74 f3=$tmpdir/d3e$$ 75fi 76 77/usr/bin/diff $f1 $f3 > $tmpdir/d3a$$ 2> $tmpdir/d3a$$.err 78STATUS=$? 79if [ $STATUS -eq 1 ] 80then 81 /usr/bin/grep -q "^[<>]" $tmpdir/d3a$$ 82 RET=$? 83 if [ $RET -eq 1 ] 84 then 85 /usr/bin/cat $tmpdir/d3a$$ 86 exit $STATUS 87 fi 88 89 if [ $RET -gt 1 ] 90 then 91 echo "diff3 failed" 1>&2 92 exit $STATUS 93 fi 94fi 95 96if [ $STATUS -gt 1 ] 97then 98 /usr/bin/cat $tmpdir/d3a$$.err 99 exit $STATUS 100fi 101 102/usr/bin/diff $f2 $f3 > $tmpdir/d3b$$ 2> $tmpdir/d3b$$.err 103STATUS=$? 104if [ $STATUS -eq 1 ] 105then 106 /usr/bin/grep -q "^[<>]" $tmpdir/d3b$$ 107 RET=$? 108 if [ $RET -eq 1 ] 109 then 110 /usr/bin/cat $tmpdir/d3b$$ 111 exit $STATUS 112 fi 113 114 if [ $RET -gt 1 ] 115 then 116 echo "diff3 failed" 1>&2 117 exit $STATUS 118 fi 119fi 120 121if [ $STATUS -gt 1 ] 122then 123 /usr/bin/cat $tmpdir/d3b$$.err 124 exit $STATUS 125fi 126 127/usr/lib/diff3prog $e $tmpdir/d3[ab]$$ $f1 $f2 $f3 128