bin2h.c

   1 /*
   2  *  Copyright (C) 2008  Robert Millan
   3  *
   4  *  This program is free software: you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation, either version 3 of the License, or
   7  *  (at your option) any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <stdio.h>
  19 #include <stdlib.h>
  20
  21 int
  22 main (int argc, char *argv[])
  23 {
  24   int b, i;
  25   char *sym;
  26   unsigned int len;
  27
  28   if (argc != 3)
  29     {
  30       fprintf (stderr, "Usage: %s symbol_name length\n", argv[0]);
  31       exit (1);
  32     }
  33
  34   sym = argv[1];
  35   len = atoi (argv[2]);
  36
  37   b = getchar ();
  38   if (b == EOF)
  39     goto abort;
  40
  41   printf ("/* THIS CHUNK OF BYTES IS AUTOMATICALY GENERATED */\n"
  42           "unsigned char %s[%u] =\n{\n", sym, len);
  43
  44   while (1)
  45     {
  46       printf ("0x%02x", b);
  47
  48       b = getchar ();
  49       if (b == EOF)
  50         goto end;
  51
  52       for (i = 0; i < 16 - 1; i++)
  53         {
  54           printf (", 0x%02x", b);
  55
  56           b = getchar ();
  57           if (b == EOF)
  58             goto end;
  59         }
  60
  61       printf (",\n");
  62     }
  63
  64 end:
  65   printf ("\n};\n");
  66
  67 abort:
  68   exit (0);
  69 }