usr/src/grub/grub-0.97/stage2/size_test

   1 #!/bin/sh
   2
   3 # Check the sizes of Stage 2 and Stage 1.5's.
   4 # Copyright (C) 1999,2004  Free Software Foundation, Inc.
   5
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2, or (at your option)
   9 # any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software Foundation,
  18 # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  19
  20 # Written by OKUJI Yoshinori <okuji@kuicr.kyoto-u.ac.jp>
  21
  22
  23 # This function checks if the size of the first argument (filename) is
  24 # greater than the second argument (limit). If so, then exit with the
  25 # status 1, otherwise do nothing.
  26 check ()
  27 {
  28     file=$1
  29     limit=$2
  30     set dummy `ls -l $file`
  31     size=$6
  32     if test $size -gt $limit; then
  33         echo "$file is too big ($size > $limit)."
  34         exit 1
  35     fi
  36 }
  37
  38 # The bootloader area of a FFS partition is 14 sectors.
  39 check ffs_stage1_5 7168
  40
  41 check ufs2_stage1_5 7168
  42
  43 # Stage 1.5 can be installed in the sectors immediately after MBR in the
  44 # first cylinder, so the size is (63 - 1) sectors.
  45 check fat_stage1_5 31744
  46
  47 # Likewise.
  48 check e2fs_stage1_5 31744
  49
  50 # Likewise.
  51 check minix_stage1_5 31744
  52
  53 # Success.
  54 exit 0