1#!/bin/ksh
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#
24# Copyright 1993-2003 Sun Microsystems, Inc.  All rights reserved.
25# Use is subject to license terms.
26#
27#ident	"%Z%%M%	%I%	%E% SMI"
28
29opts=""
30while getopts guplmsLv arg
31do
32	if [ "$arg" = "?" ]; then
33		exit 1
34	fi
35	opts="$opts -$arg"
36done
37
38shift $(($OPTIND - 1))
39
40if [ $# -le 3 ]; then
41	echo "$0: at least 3 arguments required." >&2
42	exit 1
43fi
44
45old="$1"; shift
46new="$1"; shift
47differ="$1"; shift
48
49errlog=/tmp/protocmp.err.$$
50
51protocmp $opts "$@" 2>$errlog |
52	nawk -v old="$old" -v new="$new" -v differ="$differ" '
53	/^\**$/ {
54		next;
55	}
56	/^\* Entries/ {
57		category++;
58		next;
59	}
60	/^\* filea ==/ {
61		filea = $NF;
62		next;
63	}
64	/^\* fileb ==/ {
65		fileb = $NF;
66		next;
67	}
68	{
69		buf[category, ++line[category]] = $0
70	}
71	END {
72		if (line[1] > 2) {
73			printf("\n%s\n\n", old);
74			for (i = 1; i <= line[1]; i++) {
75				print buf[1, i];
76			}
77		}
78		if (line[2] > 2) {
79			printf("\n%s\n\n", new);
80			for (i = 1; i <= line[2]; i++) {
81				print buf[2, i];
82			}
83		}
84		if (line[3] > 2) {
85			printf("\n%s\n\n", differ);
86			for (i = 1; i <= line[3]; i++) {
87				print buf[3, i];
88			}
89		}
90	}'
91
92if [ -s $errlog ]; then
93	echo "\n====== protocmp ERRORS =====\n"
94	cat $errlog
95fi
96rm -f $errlog
97