source: main/branches/64_bit_Greenstone/greenstone2/common-src/indexers/mg/lib/huffman_stdio.c@ 23508

/**************************************************************************
 *
 * huffman_stdio.c -- Huffman coding function to a file
 * Copyright (C) 1994  Neil Sharman
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 **************************************************************************/

#include "sysfuncs.h"

#include "bitio_m.h"
#include "bitio_m_stdio.h"
#include "huffman.h"

#if 0
int fprintf (FILE *, const char *,...);
int _filbuf (FILE *);
int _flsbuf (unsigned, FILE *);
#endif

void 
BIO_Stdio_Huff_Encode (mg_u_long val, mg_u_long *codes,
               char *clens, stdio_bitio_state * bs)
{
  ENCODE_CONTINUE (*bs)
    HUFF_ENCODE (val, codes, clens);
  ENCODE_PAUSE (*bs)
}

mg_u_long 
BIO_Stdio_Huff_Decode (mg_u_long *mincodes,
               mg_u_long **values,
               stdio_bitio_state * bs)
{
  mg_u_long val;
  DECODE_CONTINUE (*bs)
    HUFF_DECODE (val, mincodes, values);
  DECODE_PAUSE (*bs)
    return (val);
}