#!/bin/sh target="$1" loc="$2" test "$target" || exit 1 test "$loc" || loc=. test -x "$loc/usage" || exit 1 test "$SED" || SED=sed test "$DD" || DD=dd # Some people were bitten by their system lacking a (proper) od od -v -b </dev/null >/dev/null if test $? != 0; then echo 'od tool is not installed or cannot accept "-v -b" options' exit 1 fi exec >"$target.$$" echo '#define UNPACKED_USAGE "" \' "$loc/usage" | od -v -b \ | grep -v '^ ' \ | $SED -e 's/^[^ ]*//' \ -e 's/ //g' \ -e '/^$/d' \ -e 's/\(...\)/\\\1/g' \ -e 's/^/"/' \ -e 's/$/" \\/' echo '' # "grep -v '^ '" is for toybox's od bug: od -b prints some extra lines: #0000000 010 000 010 000 133 055 144 146 135 040 133 055 143 040 103 117 # 000010 000010 026533 063144 020135 026533 020143 047503 #0000020 116 106 104 111 122 135 040 133 055 154 040 114 117 107 106 111 # 043116 044504 056522 055440 066055 046040 043517 044506 #0000040 114 105 135 040 133 055 141 040 101 103 124 111 117 116 106 111 # 042514 020135 026533 020141 041501 044524 047117 044506 echo '#define PACKED_USAGE \' ## Breaks on big-endian systems! ## # Extra effort to avoid using "od -t x1": -t is not available ## # in non-CONFIG_DESKTOPed busybox od ## ## "$loc/usage" | bzip2 -1 | od -v -x \ ## | $SED -e 's/^[^ ]*//' \ ## -e 's/ //g' \ ## -e '/^$/d' \ ## -e 's/\(..\)\(..\)/0x\2,0x\1,/g' ## -e 's/$/ \\/' "$loc/usage" | bzip2 -1 | $DD bs=2 skip=1 2>/dev/null | od -v -b \ | grep -v '^ ' \ | $SED -e 's/^[^ ]*//' \ -e 's/ //g' \ -e '/^$/d' \ -e 's/\(...\)/0\1,/g' \ -e 's/$/ \\/' echo '' mv -- "$target.$$" "$target"