#!/usr/bin/perl
#!
#! FILE NAME  : cconv
#!
#! PARAMETERS : Name of C program array variable.
#!
#! DESCRIPTION: Converts bytes of a binary file to C source code containing
#!              char array initialized with the binary file data.
#!
#! SUBROUTINES:
#!
#!---------------------------------------------------------------------------
#! HISTORY
#!
#! DATE         NAME            CHANGES
#! ----         ----            -------
#! Dec 15 1997  Sven Ekstrom    Initial version. Rewritten to Perl from C.
#! Dec 16 1997  Sven Ekstrom    Fixed bug that generated truncated result.
#!
#!---------------------------------------------------------------------------
#!
#! (C) Copyright 1997, Axis Communications AB, LUND, SWEDEN
#!
#!***************************************************************************
# @(#) cconv 1.2 12/16/97

#********************** CONSTANT SECTION ************************************

$MyName = 'cconv';

# 
# Number of bytes per line in the result.
#
$LineLength = 8;

#********************** MAIN PROGRAM SECTION ********************************

#
# Make sure the command line contains the name of a C array.
#
if (scalar @ARGV != 1 || $ARGV[0] =~ /^-/)
{
  die "$MyName: Usage:\n",
      "\n",
      "  Syntax\n",
      "  $MyName <name of C char array>\n",
      "\n",
      "  <name of C char array> : This is the name of the char array where\n",
      "                           the result is placed.\n",
      "\n",
      "  Description\n",
      "\n",
      "  Reads input from STDIN as binary data. Each byte of input data is\n",
      "  converted to C char data in hexadecimal form. The whole file read\n",
      "  from STDIN is converted and the result, C source code definition of\n",
      "  a char array, is printed on STDOUT.\n",
      "\n";
}

#
# Start with the name and version of this program and the name of the array.
#
print "\n",
      "/* $MyName 1.2 12/16/97, Copyright (C) 1997, Axis Communications AB */\n",
      "\n",
      "const char $ARGV[0]\[\] =\n",
      "{";

#
# Read all bytes from STDIN, convert them to char data and print them on
# STDOUT.
#
$CurrentOffset = 0;
while (!eof(STDIN))
{
  $Byte = ord(getc);

  if ($CurrentOffset % $LineLength == 0)
  {
    #
    # Start of a new line.
    #
    if ($CurrentOffset != 0)
    {
      #
      # This is not the first byte.
      #
      print ",";
    }
    #
    # The new line is indented by 2 spaces.
    #
    print "\n",
          "  ";
  }
  else
  {
    #
    # Continuing an old line.
    #
    print ", ";
  }

  #
  # Print the value of the byte as hex char data.
  #
  printf("'\\x%02x'", $Byte);

  $CurrentOffset++;
}

if ($CurrentOffset == 0)
{
  #
  # Initialize the array with a single byte of zero.
  #
  print "\n  '\\x00'";
}

#
# End with the closing bracket and semicolon.
#
print "\n",
      "};\n";

exit 0;


#********************** SUBROUTINE DEFINITION SECTION ***********************

#****************************************************************************
#*
#* SUBROUTINE  :
#*
#* PARAMETERS  :
#*
#* RETURNS     :
#*
#* SIDE EFFECTS:
#*
#* DESCRIPTION :
#*
#*---------------------------------------------------------------------------
#* HISTORY
#*
#* DATE          NAME            CHANGES
#* ----          ----            -------
#* May 05, 1995  Sven Ekstrom    Initial version
#*
#****************************************************************************

#sub NN
#{
#  local() = @_;
#
#}

#************************ END OF FILE cconv *********************************