1#!/bin/sh
2# $NetBSD: checksize.sh,v 1.1 2000/09/18 11:40:48 wdk Exp $
3#
4# Copyright (c) 1999 Christopher G. Demetriou.  All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9# 1. Redistributions of source code must retain the above copyright
10#    notice, this list of conditions and the following disclaimer.
11# 2. Redistributions in binary form must reproduce the above copyright
12#    notice, this list of conditions and the following disclaimer in the
13#    documentation and/or other materials provided with the distribution.
14# 3. All advertising materials mentioning features or use of this software
15#    must display the following acknowledgement:
16#      This product includes software developed by Christopher G. Demetriou
17#	for the NetBSD Project.
18# 4. The name of the author may not be used to endorse or promote products
19#    derived from this software without specific prior written permission
20#
21# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31
32# four arguments:
33#	boot object with headers, to check bss size
34#	boot file (just text+data), to check load and total sizes
35#	maximum load size
36
37progname=$0
38if [ $# != 2 ] || [ ! -f $1 ]; then
39	echo "usage: $progname bootfile maxload" 1>&2
40	exit 1
41fi
42
43bootfile=$1
44max_size=$2
45
46prog_size=`wc -c $bootfile | awk '{print $1}'`
47
48if [ $? != 0 ]; then
49	echo "$progname: couldn't get size of $bootfile" 2>&1
50	exit 1
51fi
52
53echo -n "checking sizes for $bootfile... "
54
55if expr $prog_size \> $max_size >/dev/null 2>&1; then
56	echo "MAXIMUM FILE SIZE EXCEEDED ($prog_size > $max_size)"
57	exit 1
58fi
59
60echo "OK - `expr $max_size - $prog_size` bytes free"
61exit 0
62