syslinux/libinstaller/bin2c.pl
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   1#!/usr/bin/perl
   2## -----------------------------------------------------------------------
   3##
   4##   Copyright 1998-2008 H. Peter Anvin - All Rights Reserved
   5##
   6##   This program is free software; you can redistribute it and/or modify
   7##   it under the terms of the GNU General Public License as published by
   8##   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
   9##   Boston MA 02111-1307, USA; either version 2 of the License, or
  10##   (at your option) any later version; incorporated herein by reference.
  11##
  12## -----------------------------------------------------------------------
  13
  14#
  15# bin2c.pl: binary file to C source converter
  16#
  17
  18eval { use bytes; };
  19eval { binmode STDIN; };
  20
  21($table_name, $pad) = @ARGV;
  22
  23if ( !defined($table_name) ) {
  24    print STDERR "Usage: $0 table_name [pad] < input_file > output_file\n";
  25    exit 1;
  26}
  27
  28$pad = 1 if ($pad < 1);
  29
  30printf "unsigned char %s[] = {\n", $table_name;
  31
  32$pos = 0;
  33$linelen = 8;
  34
  35$total_len = 0;
  36
  37while ( ($n = read(STDIN, $data, 4096)) > 0 ) {
  38    $total_len += $n;
  39    for ( $i = 0 ; $i < $n ; $i++ ) {
  40        $byte = substr($data, $i, 1);
  41        if ( $pos >= $linelen ) {
  42            print ",\n\t";
  43            $pos = 0;
  44        } elsif ( $pos > 0 ) {
  45            print ", ";
  46        } else {
  47            print "\t";
  48        }
  49        printf("0x%02x", unpack("C", $byte));
  50        $pos++;
  51    }
  52}
  53
  54$align = $total_len % $pad;
  55if ($align != 0) {
  56    $n = $pad - $align;
  57    $total_len += $n;
  58    for ( $i = 0 ; $i < $n ; $i++ ) {
  59        if ( $pos >= $linelen ) {
  60            print ",\n\t";
  61            $pos = 0;
  62        } elsif ( $pos > 0 ) {
  63            print ", ";
  64        } else {
  65            print "\t";
  66        }
  67        print '0x00';
  68        $pos++;
  69    }
  70}
  71
  72printf "\n};\n\nconst unsigned int %s_len = %u;\n", $table_name, $total_len;
  73
  74@st = stat STDIN;
  75
  76printf "\nconst int %s_mtime = %d;\n", $table_name, $st[9];
  77
  78exit 0;
  79