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      1 #! /bin/sh
      2 #	$NetBSD: msg_cmp.sh,v 1.2 2019/06/11 15:31:19 martin Exp $
      3 
      4 #-
      5 # Copyright (c) 2019 The NetBSD Foundation, Inc.
      6 # All rights reserved.
      7 #
      8 # This code is derived from software contributed to The NetBSD Foundation.
      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 
     32 
     33 # Compare two (binary) sysinst msg files and report identical messages.
     34 # Used to find untranslated strings.
     35 
     36 usage()
     37 {
     38 	echo "usage: msg_cmp.sh msg_defs.h file1 file2" >&2
     39 	exit 1
     40 }
     41 
     42 [ "$#" = 3 ] || usage
     43 
     44 msg_defs=$1
     45 msg_long="((msg)(long)"
     46 close_paren=")"
     47 
     48 TMP1=/tmp/mct1.$$
     49 TMP2=/tmp/mct2.$$
     50 inp1=$2
     51 inp2=$3
     52 
     53 # Read header file and set up map of message names to numbers
     54 
     55 exec <$msg_defs || exit 2
     56 
     57 while read define MSG_name number rest
     58 do
     59 	[ -z "$number" -o -n "$rest" ] && continue
     60 	[ "$define" = "#define" ] || continue
     61 	name="${MSG_name#MSG_}"
     62 	[ "$name" = "${MSG_name}" ] && continue
     63 	msg_number="${number#$msg_long}"
     64 	[ "$msg_number" = "$number" ] && continue
     65 	msg_number="${msg_number%$close_paren}"
     66 
     67 	varname=MSGNAME_$msg_number
     68 	eval $varname=$name
     69 done
     70 
     71 # Make the sysinst binary message files usable with text tools
     72 set -- $(tr '\000' '\n' < $inp1); off1=$(( $(( $2 + 2 )) \* 8 ))
     73 set -- $(tr '\000' '\n' < $inp2); off2=$(( $(( $2 + 2 )) \* 8 ))
     74 dd bs=1 skip=$off1 if=$inp1 2>/dev/null | tr '\n' '~' | tr '\000' '\n' > $TMP1
     75 dd bs=1 skip=$off2 if=$inp2 2>/dev/null | tr '\n' '~' | tr '\000' '\n' > $TMP2
     76 
     77 # Open both input files
     78 exec 3< $TMP1 
     79 exec 4< $TMP2
     80 
     81 # Compare lines
     82 IFS=''
     83 NUM=0
     84 HDR="Messages identical to the English version:"
     85 
     86 while
     87 	read -r l1 <&3 && read -r l2 <&4
     88 do
     89 	NUM=$(( $NUM + 1 ))
     90 	if [ "$l1" != "$l2" ]; then
     91 		continue
     92 	fi
     93 	[ -z "$hdr_done" ] && hdr_done=1 && printf "%s\n" $HDR
     94 	varname=MSGNAME_$NUM
     95 	eval $( printf "msg=$%s" $varname )
     96 	printf "%s (%d):\t%s\n" $msg $NUM $l1
     97 done
     98 
     99 rm $TMP1 $TMP2
    100 
    101