release/src/router/busybox/applets/usage_compressed

   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"