lib/checkoldver

   1 #!/bin/sh
   2 #       $NetBSD: checkoldver,v 1.3 2008/04/30 13:10:50 martin Exp $
   3 #
   4 # Copyright (c) 2002 The NetBSD Foundation, Inc.
   5 # All rights reserved.
   6 #
   7 # This code is derived from software contributed to The NetBSD Foundation
   8 # by Christos Zoulas.
   9 #
  10 # Redistribution and use in source and binary forms, with or without
  11 # modification, are permitted provided that the following conditions
  12 # are met:
  13 # 1. Redistributions of source code must retain the above copyright
  14 #    notice, this list of conditions and the following disclaimer.
  15 # 2. Redistributions in binary form must reproduce the above copyright
  16 #    notice, this list of conditions and the following disclaimer in the
  17 #    documentation and/or other materials provided with the distribution.
  18 #
  19 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29 # POSSIBILITY OF SUCH DAMAGE.
  30 #
  31 # checkoldver [dir ...]
  32 #
  33 # Looks in the given directories for old shared libraries and lists them
  34 # Useful for: 'checkoldver /usr/lib | xargs rm -f'
  35
  36 delete() {
  37         obsol="$1.so"
  38         if [ ! -z "$2" ]
  39         then
  40                 obsol="$obsol.$2"
  41         fi
  42         if [ ! -z "$3" ]
  43         then
  44                 obsol="$obsol.$3"
  45         fi
  46         if [ ! -z "$4" ]
  47         then
  48                 obsol="$obsol.$4"
  49         fi
  50         echo $PWD/$obsol
  51 }
  52
  53 comparelib() {
  54         OIFS="$IFS"
  55         IFS="$IFS."
  56         set -- $1
  57         IFS="$OIFS"
  58         if [ "$3" = "[0-9]*" ]
  59         then
  60                 return
  61         fi
  62
  63         if [ -z "$libmajor" ]
  64         then
  65                 libname="$1"
  66                 libmajor="$3"
  67                 libminor="$4"
  68                 libtiny="$5"
  69                 return
  70         fi
  71         if [ "$libmajor" -lt "$3" ]
  72         then
  73                 delete "$libname" "$libmajor" "$libminor" "$libtiny"
  74                 libmajor="$3"
  75                 libminor="$4"
  76                 libtiny="$5"
  77                 return
  78         elif [ "$3" -lt "$libmajor" ]
  79         then
  80                 delete "$libname" "$3" "$4" "$5"
  81                 return
  82         fi
  83
  84         if [ -z "$libminor" ]
  85         then
  86                 return
  87         fi
  88         if [ "$libminor" -lt "$4" ]
  89         then
  90                 delete "$libname" "$libmajor" "$libminor" "$libtiny"
  91                 libmajor="$3"
  92                 libminor="$4"
  93                 libtiny="$5"
  94                 return
  95         elif [ "$4" -lt "$libminor" ]
  96         then
  97                 delete "$libname" "$3" "$4" "$5"
  98                 return
  99         fi
 100
 101         if [ -z "$libtiny" ]
 102         then
 103                 return
 104         fi
 105         if [ "$libtiny" -lt "$5" ]
 106         then
 107                 delete "$libname" "$libmajor" "$libminor" "$libtiny"
 108                 libmajor="$3"
 109                 libminor="$4"
 110                 libtiny="$5"
 111                 return
 112         elif [ "$5" -lt "$libminor" ]
 113         then
 114                 delete "$libname" "$3" "$4" "$5"
 115                 return
 116         fi
 117 }
 118
 119 processonedir() {
 120         cd "$1"
 121         for lib in lib*.so
 122         do
 123                 lib="${lib#lib}"
 124                 lib="${lib%.so}"
 125
 126                 libmajor=
 127                 libminor=
 128                 libtiny=
 129                 for link in lib$lib.so.[0-9]*.[0-9]*.[0-9]*
 130                 do
 131                         comparelib "$link"
 132                 done
 133
 134                 libmajor=
 135                 libminor=
 136                 libtiny=
 137                 for link in lib$lib.so.[0-9]*.[0-9]*
 138                 do
 139                         comparelib "$link"
 140                 done
 141
 142                 libmajor=
 143                 libminor=
 144                 libtiny=
 145                 for link in lib$lib.so.[0-9]*
 146                 do
 147                         comparelib "$link"
 148                 done
 149         done
 150 }
 151
 152 for i
 153 do
 154         processonedir "$i"
 155 done