5128eecc9f 2011-02-23        kinaba: /* maketree.c -- make inffixed.h table for decoding fixed codes
5128eecc9f 2011-02-23        kinaba:  * Copyright (C) 1998 Mark Adler
5128eecc9f 2011-02-23        kinaba:  * For conditions of distribution and use, see copyright notice in zlib.h
5128eecc9f 2011-02-23        kinaba:  */
5128eecc9f 2011-02-23        kinaba: 
5128eecc9f 2011-02-23        kinaba: /* WARNING: this file should *not* be used by applications. It is
5128eecc9f 2011-02-23        kinaba:    part of the implementation of the compression library and is
5128eecc9f 2011-02-23        kinaba:    subject to change. Applications should only use zlib.h.
5128eecc9f 2011-02-23        kinaba:  */
5128eecc9f 2011-02-23        kinaba: 
5128eecc9f 2011-02-23        kinaba: /* This program is included in the distribution for completeness.
5128eecc9f 2011-02-23        kinaba:    You do not need to compile or run this program since inffixed.h
5128eecc9f 2011-02-23        kinaba:    is already included in the distribution.  To use this program
5128eecc9f 2011-02-23        kinaba:    you need to compile zlib with BUILDFIXED defined and then compile
5128eecc9f 2011-02-23        kinaba:    and link this program with the zlib library.  Then the output of
5128eecc9f 2011-02-23        kinaba:    this program can be piped to inffixed.h. */
5128eecc9f 2011-02-23        kinaba: 
5128eecc9f 2011-02-23        kinaba: #include <stdio.h>
5128eecc9f 2011-02-23        kinaba: #include <stdlib.h>
5128eecc9f 2011-02-23        kinaba: #include "zutil.h"
5128eecc9f 2011-02-23        kinaba: #include "inftrees.h"
5128eecc9f 2011-02-23        kinaba: 
5128eecc9f 2011-02-23        kinaba: /* simplify the use of the inflate_huft type with some defines */
5128eecc9f 2011-02-23        kinaba: #define exop word.what.Exop
5128eecc9f 2011-02-23        kinaba: #define bits word.what.Bits
5128eecc9f 2011-02-23        kinaba: 
5128eecc9f 2011-02-23        kinaba: /* generate initialization table for an inflate_huft structure array */
5128eecc9f 2011-02-23        kinaba: void maketree(uInt b, inflate_huft *t)
5128eecc9f 2011-02-23        kinaba: {
5128eecc9f 2011-02-23        kinaba:   int i, e;
5128eecc9f 2011-02-23        kinaba: 
5128eecc9f 2011-02-23        kinaba:   i = 0;
5128eecc9f 2011-02-23        kinaba:   while (1)
5128eecc9f 2011-02-23        kinaba:   {
5128eecc9f 2011-02-23        kinaba:     e = t[i].exop;
5128eecc9f 2011-02-23        kinaba:     if (e && (e & (16+64)) == 0)        /* table pointer */
5128eecc9f 2011-02-23        kinaba:     {
5128eecc9f 2011-02-23        kinaba:       fprintf(stderr, "maketree: cannot initialize sub-tables!\n");
5128eecc9f 2011-02-23        kinaba:       exit(1);
5128eecc9f 2011-02-23        kinaba:     }
5128eecc9f 2011-02-23        kinaba:     if (i % 4 == 0)
5128eecc9f 2011-02-23        kinaba:       printf("\n   ");
5128eecc9f 2011-02-23        kinaba:     printf(" {{{%u,%u}},%u}", t[i].exop, t[i].bits, t[i].base);
5128eecc9f 2011-02-23        kinaba:     if (++i == (1<<b))
5128eecc9f 2011-02-23        kinaba:       break;
5128eecc9f 2011-02-23        kinaba:     putchar(',');
5128eecc9f 2011-02-23        kinaba:   }
5128eecc9f 2011-02-23        kinaba:   puts("");
5128eecc9f 2011-02-23        kinaba: }