target/linux/etrax-2.6/image/e100boot/src/sbl/cconv

   1 #!/usr/bin/perl
   2 #!
   3 #! FILE NAME  : cconv
   4 #!
   5 #! PARAMETERS : Name of C program array variable.
   6 #!
   7 #! DESCRIPTION: Converts bytes of a binary file to C source code containing
   8 #!              char array initialized with the binary file data.
   9 #!
  10 #! SUBROUTINES:
  11 #!
  12 #!---------------------------------------------------------------------------
  13 #! HISTORY
  14 #!
  15 #! DATE         NAME            CHANGES
  16 #! ----         ----            -------
  17 #! Dec 15 1997  Sven Ekstrom    Initial version. Rewritten to Perl from C.
  18 #! Dec 16 1997  Sven Ekstrom    Fixed bug that generated truncated result.
  19 #!
  20 #!---------------------------------------------------------------------------
  21 #!
  22 #! (C) Copyright 1997, Axis Communications AB, LUND, SWEDEN
  23 #!
  24 #!***************************************************************************
  25 # @(#) cconv 1.2 12/16/97
  26
  27 #********************** CONSTANT SECTION ************************************
  28
  29 $MyName = 'cconv';
  30
  31 #
  32 # Number of bytes per line in the result.
  33 #
  34 $LineLength = 8;
  35
  36 #********************** MAIN PROGRAM SECTION ********************************
  37
  38 #
  39 # Make sure the command line contains the name of a C array.
  40 #
  41 if (scalar @ARGV != 1 || $ARGV[0] =~ /^-/)
  42 {
  43   die "$MyName: Usage:\n",
  44       "\n",
  45       "  Syntax\n",
  46       "  $MyName <name of C char array>\n",
  47       "\n",
  48       "  <name of C char array> : This is the name of the char array where\n",
  49       "                           the result is placed.\n",
  50       "\n",
  51       "  Description\n",
  52       "\n",
  53       "  Reads input from STDIN as binary data. Each byte of input data is\n",
  54       "  converted to C char data in hexadecimal form. The whole file read\n",
  55       "  from STDIN is converted and the result, C source code definition of\n",
  56       "  a char array, is printed on STDOUT.\n",
  57       "\n";
  58 }
  59
  60 #
  61 # Start with the name and version of this program and the name of the array.
  62 #
  63 print "\n",
  64       "/* $MyName 1.2 12/16/97, Copyright (C) 1997, Axis Communications AB */\n",
  65       "\n",
  66       "const char $ARGV[0]\[\] =\n",
  67       "{";
  68
  69 #
  70 # Read all bytes from STDIN, convert them to char data and print them on
  71 # STDOUT.
  72 #
  73 $CurrentOffset = 0;
  74 while (!eof(STDIN))
  75 {
  76   $Byte = ord(getc);
  77
  78   if ($CurrentOffset % $LineLength == 0)
  79   {
  80     #
  81     # Start of a new line.
  82     #
  83     if ($CurrentOffset != 0)
  84     {
  85       #
  86       # This is not the first byte.
  87       #
  88       print ",";
  89     }
  90     #
  91     # The new line is indented by 2 spaces.
  92     #
  93     print "\n",
  94           "  ";
  95   }
  96   else
  97   {
  98     #
  99     # Continuing an old line.
 100     #
 101     print ", ";
 102   }
 103
 104   #
 105   # Print the value of the byte as hex char data.
 106   #
 107   printf("'\\x%02x'", $Byte);
 108
 109   $CurrentOffset++;
 110 }
 111
 112 if ($CurrentOffset == 0)
 113 {
 114   #
 115   # Initialize the array with a single byte of zero.
 116   #
 117   print "\n  '\\x00'";
 118 }
 119
 120 #
 121 # End with the closing bracket and semicolon.
 122 #
 123 print "\n",
 124       "};\n";
 125
 126 exit 0;
 127
 128
 129 #********************** SUBROUTINE DEFINITION SECTION ***********************
 130
 131 #****************************************************************************
 132 #*
 133 #* SUBROUTINE  :
 134 #*
 135 #* PARAMETERS  :
 136 #*
 137 #* RETURNS     :
 138 #*
 139 #* SIDE EFFECTS:
 140 #*
 141 #* DESCRIPTION :
 142 #*
 143 #*---------------------------------------------------------------------------
 144 #* HISTORY
 145 #*
 146 #* DATE          NAME            CHANGES
 147 #* ----          ----            -------
 148 #* May 05, 1995  Sven Ekstrom    Initial version
 149 #*
 150 #****************************************************************************
 151
 152 #sub NN
 153 #{
 154 #  local() = @_;
 155 #
 156 #}
 157
 158 #************************ END OF FILE cconv *********************************