//
//	srecord - manipulate eprom load files
//	Copyright (C) 2003 Peter Miller;
//	All rights reserved.
//
//	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, USA.
//
// MANIFEST: interface definition for common/ac/zlib.cc
//

#ifndef COMMON_AC_ZLIB_H
#define COMMON_AC_ZLIB_H

#include <config.h>

#ifdef HAVE_ZLIB_H
#include <zlib.h>
#else
#error "You must have zlib installed in order to build Tardy."
#endif

// there is ERR_MSG in zutil.h, but we aren't allowed to see it.
const char *z_error(int);

#ifndef DEF_MEM_LEVEL
#define DEF_MEM_LEVEL 8 // in zutil.h, but we aren't allowed to see it.
#endif


#ifndef Z_BUFSIZE
#  ifdef MAXSEG_64K
#    define Z_BUFSIZE 4096 // minimize memory usage for 16-bit DOS
#  else
#    define Z_BUFSIZE 16384
#  endif
#endif

// gzip flag byte
#define Z_FLAG_ASCII        0x01 // bit 0 set: file probably ascii text
#define Z_FLAG_HEAD_CRC     0x02 // bit 1 set: header CRC present
#define Z_FLAG_EXTRA_FIELD  0x04 // bit 2 set: extra field present
#define Z_FLAG_ORIG_NAME    0x08 // bit 3 set: original file name present
#define Z_FLAG_COMMENT      0x10 // bit 4 set: file comment present
#define Z_FLAG_RESERVED     0xE0 // bits 5..7: reserved

#endif // COMMON_AC_ZLIB_H