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 30 #ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.4 */ 31 32 usage="usage: diff3 file1 file2 file3" 33 34 # mktmpdir - Create a private (mode 0700) temporary directory inside of /tmp 35 # for this process's temporary files. We set up a trap to remove the 36 # directory on exit (trap 0), and also on SIGHUP, SIGINT, SIGQUIT, SIGPIPE, 37 # and SIGTERM. 38 39 mktmpdir() { 40 tmpdir=/tmp/diff3.$$ 41 trap '/usr/bin/rm -rf $tmpdir' 0 1 2 3 13 15 42 /usr/bin/mkdir -m 700 $tmpdir || exit 1 43 } 44 mktmpdir 45 46 e= 47 case $1 in 48 -*) 49 e=$1 50 shift;; 51 esac 52 if [ $# != 3 ]; then 53 echo ${usage} 1>&2 54 exit 1 55 fi 56 if [ \( -f $1 -o -c $1 \) -a \( -f $2 -o -c $2 \) -a \( -f $3 -o -c $3 \) ]; then 57 : 58 else 59 echo ${usage} 1>&2 60 exit 1 61 fi 62 f1=$1 f2=$2 f3=$3 63 if [ -c $f1 ] 64 then 65 /usr/bin/cat $f1 > $tmpdir/d3c$$ 66 f1=$tmpdir/d3c$$ 67 fi 68 if [ -c $f2 ] 69 then 70 /usr/bin/cat $f2 > $tmpdir/d3d$$ 71 f2=$tmpdir/d3d$$ 72 fi 73 if [ -c $f3 ] 74 then 75 /usr/bin/cat $f3 > $tmpdir/d3e$$ 76 f3=$tmpdir/d3e$$ 77 fi 78 79 /usr/bin/diff $f1 $f3 > $tmpdir/d3a$$ 2> $tmpdir/d3a$$.err 80 STATUS=$? 81 if [ $STATUS -eq 1 ] 82 then 83 /usr/xpg4/bin/grep -q "^[<>]" $tmpdir/d3a$$ 84 RET=$? 85 if [ $RET -eq 1 ] 86 then 87 /usr/bin/cat $tmpdir/d3a$$ 88 exit $STATUS 89 fi 90 91 if [ $RET -gt 1 ] 92 then 93 echo "diff3 failed" 1>&2 94 exit $STATUS 95 fi 96 fi 97 98 if [ $STATUS -gt 1 ] 99 then 100 /usr/bin/cat $tmpdir/d3a$$.err 101 exit $STATUS 102 fi 103 104 /usr/bin/diff $f2 $f3 > $tmpdir/d3b$$ 2> $tmpdir/d3b$$.err 105 STATUS=$? 106 if [ $STATUS -eq 1 ] 107 then 108 /usr/xpg4/bin/grep -q "^[<>]" $tmpdir/d3b$$ 109 RET=$? 110 if [ $RET -eq 1 ] 111 then 112 /usr/bin/cat $tmpdir/d3b$$ 113 exit $STATUS 114 fi 115 116 if [ $RET -gt 1 ] 117 then 118 echo "diff3 failed" 1>&2 119 exit $STATUS 120 fi 121 fi 122 123 if [ $STATUS -gt 1 ] 124 then 125 /usr/bin/cat $tmpdir/d3b$$.err 126 exit $STATUS 127 fi 128 129 /usr/lib/diff3prog $e $tmpdir/d3[ab]$$ $f1 $f2 $f3 130