bin2c.pl

   1 #!/usr/bin/perl
   2 ## -----------------------------------------------------------------------
   3 ##
   4 ##   Copyright 1998-2004 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
  18 eval { use bytes; };
  19 eval { binmode STDIN; };
  20
  21 if ( $#ARGV != 0 ) {
  22     print STDERR "Usage: $0 table_name < input_file > output_file\n";
  23     exit 1;
  24 }
  25
  26 ($table_name) = @ARGV;
  27
  28 printf "unsigned char %s[] = {\n", $table_name;
  29
  30 $pos = 0;
  31 $linelen = 8;
  32
  33 $total_len = 0;
  34
  35 while ( ($n = read(STDIN, $data, 4096)) > 0 ) {
  36     $total_len += $n;
  37     for ( $i = 0 ; $i < $n ; $i++ ) {
  38         $byte = substr($data, $i, 1);
  39         if ( $pos >= $linelen ) {
  40             print ",\n\t";
  41             $pos = 0;
  42         } elsif ( $pos > 0 ) {
  43             print ", ";
  44         } else {
  45             print "\t";
  46         }
  47         printf("0x%02x", unpack("C", $byte));
  48         $pos++;
  49     }
  50 }
  51
  52 printf "\n};\n\nunsigned int %s_len = %u;\n", $table_name, $total_len;
  53
  54 @st = stat STDIN;
  55
  56 printf "\nint %s_mtime = %d;\n", $table_name, $st[9];
  57
  58 exit 0;