lzx_compress.h

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/*
    File lzx_compress.h, part of lzxcomp library
    Copyright (C) 2002 Matthew T. Russotto
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation; version 2.1 only
 
    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 Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
typedef struct lzx_data lzx_data;
typedef int (*lzx_get_bytes_t)(void *arg, int n, void *buf);
typedef int (*lzx_put_bytes_t)(void *arg, int n, void *buf);
typedef void (*lzx_mark_frame_t)(void *arg, uint32_t uncomp, uint32_t comp);
typedef int (*lzx_at_eof_t)(void *arg);
 
typedef struct lzx_results
{
  /* add more here? Error codes, # blocks, # frames, etc? */
  long len_compressed_output;
  long len_uncompressed_input;
} lzx_results;
 
int lzx_init(struct lzx_data **lzxdp, int wsize_code,
         lzx_get_bytes_t get_bytes, void *get_bytes_arg,
         lzx_at_eof_t at_eof,
         lzx_put_bytes_t put_bytes, void *put_bytes_arg,
         lzx_mark_frame_t mark_frame, void *mark_frame_arg);
 
void  lzx_reset(lzx_data *lzxd);
 
int lzx_compress_block(lzx_data *lzxd, int block_size, int subdivide);
 
int lzx_finish(struct lzx_data *lzxd, struct lzx_results *lzxr);