1#!/bin/sh 2 3target="$1" 4loc="$2" 5 6test "$target" || exit 1 7test "$loc" || loc=. 8test -x "$loc/usage" || exit 1 9test "$SED" || SED=sed 10test "$DD" || DD=dd 11 12# Some people were bitten by their system lacking a (proper) od 13od -v -b </dev/null >/dev/null 14if test $? != 0; then 15 echo 'od tool is not installed or cannot accept "-v -b" options' 16 exit 1 17fi 18 19exec >"$target.$$" 20 21echo '#define UNPACKED_USAGE "" \' 22"$loc/usage" | od -v -b \ 23| grep -v '^ ' \ 24| $SED -e 's/^[^ ]*//' \ 25 -e 's/ //g' \ 26 -e '/^$/d' \ 27 -e 's/\(...\)/\\\1/g' \ 28 -e 's/^/"/' \ 29 -e 's/$/" \\/' 30echo '' 31# "grep -v '^ '" is for toybox's od bug: od -b prints some extra lines: 32#0000000 010 000 010 000 133 055 144 146 135 040 133 055 143 040 103 117 33# 000010 000010 026533 063144 020135 026533 020143 047503 34#0000020 116 106 104 111 122 135 040 133 055 154 040 114 117 107 106 111 35# 043116 044504 056522 055440 066055 046040 043517 044506 36#0000040 114 105 135 040 133 055 141 040 101 103 124 111 117 116 106 111 37# 042514 020135 026533 020141 041501 044524 047117 044506 38 39echo "#define UNPACKED_USAGE_LENGTH `$loc/usage | wc -c`" 40echo 41 42echo '#define PACKED_USAGE \' 43## Breaks on big-endian systems! 44## # Extra effort to avoid using "od -t x1": -t is not available 45## # in non-CONFIG_DESKTOPed busybox od 46## 47## "$loc/usage" | bzip2 -1 | od -v -x \ 48## | $SED -e 's/^[^ ]*//' \ 49## -e 's/ //g' \ 50## -e '/^$/d' \ 51## -e 's/\(..\)\(..\)/0x\2,0x\1,/g' 52## -e 's/$/ \\/' 53"$loc/usage" | bzip2 -1 | $DD bs=2 skip=1 2>/dev/null | od -v -b \ 54| grep -v '^ ' \ 55| $SED -e 's/^[^ ]*//' \ 56 -e 's/ //g' \ 57 -e '/^$/d' \ 58 -e 's/\(...\)/0\1,/g' \ 59 -e 's/$/ \\/' 60echo '' 61 62mv -- "$target.$$" "$target" 63