tumble / file diff

     1.1 diff -r 25c6b1a63f93 -r f2e13c2ff575 bitblt_table_gen.c
     1.2 --- a/bitblt_table_gen.c	Wed Mar 12 06:02:46 2003 +0000
     1.3 +++ b/bitblt_table_gen.c	Wed Mar 12 06:39:22 2003 +0000
     1.4 @@ -4,7 +4,7 @@
     1.5   *      will be compressed using ITU-T T.6 (G4) fax encoding.
     1.6   *
     1.7   * bitblt table generator
     1.8 - * $Id: bitblt_table_gen.c,v 1.4 2003/03/05 12:44:33 eric Exp $
     1.9 + * $Id: bitblt_table_gen.c,v 1.5 2003/03/11 22:39:22 eric Exp $
    1.10   * Copyright 2003 Eric Smith <eric@brouhaha.com>
    1.11   *
    1.12   * This program is free software; you can redistribute it and/or modify
    1.13 @@ -24,13 +24,23 @@
    1.14   */
    1.15  
    1.16  
    1.17 +#include <stdbool.h>
    1.18  #include <stdio.h>
    1.19 +#include <stdlib.h>
    1.20  
    1.21 -void gen_bit_reverse_table (void)
    1.22 +void gen_bit_reverse_table (bool header)
    1.23  {
    1.24    int i, j;
    1.25  
    1.26 -  printf ("static const uint8_t bit_reverse_byte [0x100] =\n");
    1.27 +  if (header)
    1.28 +    printf ("extern ");
    1.29 +  printf ("const uint8_t bit_reverse_byte [0x100]");
    1.30 +  if (header)
    1.31 +    {
    1.32 +      printf (";\n");
    1.33 +      return;
    1.34 +    }
    1.35 +  printf (" =\n");
    1.36    printf ("{\n");
    1.37    for (i = 0; i < 0x100; i++)
    1.38      {
    1.39 @@ -73,11 +83,19 @@
    1.40  }
    1.41  
    1.42  
    1.43 -void gen_run_length_table (int val, char *name)
    1.44 +void gen_run_length_table (bool header, int val, char *name)
    1.45  {
    1.46    int i, j;
    1.47  
    1.48 -  printf ("static const uint8_t %s [8][256] =\n", name);
    1.49 +  if (header)
    1.50 +    printf ("extern ");
    1.51 +  printf ("const uint8_t %s [8][256]", name);
    1.52 +  if (header)
    1.53 +    {
    1.54 +      printf (";\n");
    1.55 +      return;
    1.56 +    }
    1.57 +  printf (" =\n");
    1.58    printf ("{\n");
    1.59    for (i = 0; i < 8; i++)
    1.60      {
    1.61 @@ -105,15 +123,38 @@
    1.62  
    1.63  int main (int argc, char *argv[])
    1.64  {
    1.65 +  bool header;
    1.66 +
    1.67 +  if (argc != 2)
    1.68 +    {
    1.69 +      fprintf (stderr, "wrong arg count\n");
    1.70 +      exit (2);
    1.71 +    }
    1.72 +  if (strcmp (argv [1], "-h") == 0)
    1.73 +    header = 1;
    1.74 +  else if (strcmp (argv [1], "-c") == 0)
    1.75 +    header = 0;
    1.76 +  else
    1.77 +    {
    1.78 +      fprintf (stderr, "wrong args\n");
    1.79 +      exit (2);
    1.80 +    }
    1.81 +
    1.82    printf ("/* This file is automatically generated; do not edit */\n");
    1.83    printf ("\n");
    1.84  
    1.85 -  gen_bit_reverse_table ();
    1.86 +  if (! header)
    1.87 +    {
    1.88 +      printf ("#include <stdint.h>\n");
    1.89 +      printf ("#include \"bitblt_tables.h\"\n");
    1.90 +      printf ("\n");
    1.91 +    }
    1.92 +
    1.93 +  gen_bit_reverse_table (header);
    1.94    printf ("\n");
    1.95  
    1.96 -  gen_run_length_table (0, "rle_tab");
    1.97 +  gen_run_length_table (header, 0, "rle_tab");
    1.98    printf ("\n");
    1.99  
   1.100    return (0);
   1.101  }
   1.102 -