blob: 186fcde774f36b6efbf7f8f065100a136b655e93
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 -b </dev/null >/dev/null |
14 | if test $? != 0; then |
15 | echo 'od tool is not installed or cannot accept "-v -b" options' |
16 | exit 1 |
17 | fi |
18 | |
19 | exec >"$target.$$" |
20 | |
21 | echo '#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/$/" \\/' |
30 | echo '' |
31 | # "grep -v '^ '" is for toybox's od bug: od -b prints some extra lines: |
32 | #0000000 010 000 010 000 133 055 144 146 135 040 133 055 143 040 103 117 |
33 | # 000010 000010 026533 063144 020135 026533 020143 047503 |
34 | #0000020 116 106 104 111 122 135 040 133 055 154 040 114 117 107 106 111 |
35 | # 043116 044504 056522 055440 066055 046040 043517 044506 |
36 | #0000040 114 105 135 040 133 055 141 040 101 103 124 111 117 116 106 111 |
37 | # 042514 020135 026533 020141 041501 044524 047117 044506 |
38 | |
39 | echo '#define PACKED_USAGE \' |
40 | ## Breaks on big-endian systems! |
41 | ## # Extra effort to avoid using "od -t x1": -t is not available |
42 | ## # in non-CONFIG_DESKTOPed busybox od |
43 | ## |
44 | ## "$loc/usage" | bzip2 -1 | od -v -x \ |
45 | ## | $SED -e 's/^[^ ]*//' \ |
46 | ## -e 's/ //g' \ |
47 | ## -e '/^$/d' \ |
48 | ## -e 's/\(..\)\(..\)/0x\2,0x\1,/g' |
49 | ## -e 's/$/ \\/' |
50 | "$loc/usage" | bzip2 -1 | $DD bs=2 skip=1 2>/dev/null | od -v -b \ |
51 | | grep -v '^ ' \ |
52 | | $SED -e 's/^[^ ]*//' \ |
53 | -e 's/ //g' \ |
54 | -e '/^$/d' \ |
55 | -e 's/\(...\)/0\1,/g' \ |
56 | -e 's/$/ \\/' |
57 | echo '' |
58 | |
59 | mv -- "$target.$$" "$target" |
60 |