NeoStats-NeoIRCd/include/s_zip.h

/*
 *  NeoIRCd: NeoStats Group. Based on Hybird7
 *  s_zip.h: A header for the compression functions.
 *
 *  Copyright (C) 2002 by the past and present ircd coders, and others.
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 *  USA
 *
 *  $Id: s_zip.h,v 1.3 2002/09/13 06:50:06 fishwaldo Exp $
 */

#ifndef INCLUDED_s_zip_h
#define INCLUDED_s_zip_h

#include "config.h"       /* config settings */

struct Client;

/* the minimum amount of data needed to trigger compression */
#define ZIP_MINIMUM     4096
/* the minimum amount of data needed to trigger compression */

/* the maximum amount of data to be compressed (can actually be a bit more) */
#define ZIP_MAXIMUM     8192    /* WARNING: *DON'T* CHANGE THIS!!!! */

struct Zdata {
  z_stream*   in;            /* input zip stream data */
  z_stream*   out;           /* output zip stream data */
  char        inbuf[ZIP_MAXIMUM]; /* incoming zipped buffer */
  char        outbuf[ZIP_MAXIMUM]; /* outgoing (unzipped) buffer */
  int         incount;        /* size of inbuf content */
  int         outcount;       /* size of outbuf content */
};


extern int     zip_init (struct Client *);
extern void    zip_free (struct Client *);
extern char*   unzip_packet (struct Client *, char *, int *);
extern char*   zip_buffer (struct Client *, char *, int *, int);

#endif /* INCLUDED_s_zip_h */