lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | #!/bin/sh |
| 2 | |
| 3 | target="$1" |
| 4 | loc="$2" |
| 5 | |
| 6 | test "$target" || exit 1 |
| 7 | test "$loc" || loc=. |
| 8 | test -x "$loc/usage" || exit 1 |
| 9 | test "$SED" || SED=sed |
| 10 | test "$DD" || DD=dd |
| 11 | |
| 12 | # Some people were bitten by their system lacking a (proper) od |
| 13 | od -v -t x1 </dev/null >/dev/null |
| 14 | if test $? != 0; then |
| 15 | echo 'od tool is not installed or cannot accept "-v -t x1" options' |
| 16 | exit 1 |
| 17 | fi |
| 18 | |
| 19 | exec >"$target.$$" |
| 20 | |
| 21 | echo '#define UNPACKED_USAGE "" \' |
| 22 | "$loc/usage" | od -v -t x1 \ |
| 23 | | $SED -e 's/^[^ ]*//' \ |
| 24 | -e 's/ //g' \ |
| 25 | -e '/^$/d' \ |
| 26 | -e 's/\(..\)/\\x\1/g' \ |
| 27 | -e 's/^/"/' \ |
| 28 | -e 's/$/" \\/' |
| 29 | echo '' |
| 30 | |
| 31 | echo '#define PACKED_USAGE \' |
| 32 | ## Breaks on big-endian systems! |
| 33 | ## # Extra effort to avoid using "od -t x1": -t is not available |
| 34 | ## # in non-CONFIG_DESKTOPed busybox od |
| 35 | ## |
| 36 | ## "$loc/usage" | bzip2 -1 | od -v -x \ |
| 37 | ## | $SED -e 's/^[^ ]*//' \ |
| 38 | ## -e 's/ //g' \ |
| 39 | ## -e '/^$/d' \ |
| 40 | ## -e 's/\(..\)\(..\)/0x\2,0x\1,/g' |
| 41 | ## -e 's/$/ \\/' |
| 42 | "$loc/usage" | bzip2 -1 | $DD bs=2 skip=1 2>/dev/null | od -v -t x1 \ |
| 43 | | $SED -e 's/^[^ ]*//' \ |
| 44 | -e 's/ //g' \ |
| 45 | -e '/^$/d' \ |
| 46 | -e 's/\(..\)/0x\1,/g' \ |
| 47 | -e 's/$/ \\/' |
| 48 | echo '' |
| 49 | |
| 50 | mv -- "$target.$$" "$target" |