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      1 #!/bin/sh
      2 # $NetBSD: checksize.sh,v 1.2 2000/09/26 09:06:50 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 
     37 progname=$0
     38 if [ $# != 2 ] || [ ! -f $1 ]; then
     39 	echo "usage: $progname bootfile maxload" 1>&2
     40 	exit 1
     41 fi
     42 
     43 bootfile=$1
     44 max_size=$2
     45 
     46 prog_size=`wc -c $bootfile | awk '{print $1}'`
     47 
     48 if [ $? != 0 ]; then
     49 	echo "$progname: couldn't get size of $bootfile" 2>&1
     50 	exit 1
     51 fi
     52 
     53 echo -n "checking sizes for $bootfile... "
     54 
     55 if expr $prog_size \> $max_size >/dev/null 2>&1; then
     56 	echo "MAXIMUM FILE SIZE EXCEEDED ($prog_size > $max_size)"
     57 	exit 1
     58 fi
     59 
     60 echo "OK - `expr $max_size - $prog_size` bytes free"
     61 exit 0
     62