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/* zutil.h (internal interface of the zlib compression library) */
/* Modified by Andrew Makhorin <mao@gnu.org>, April 2011 */
/* Copyright (C) 1995-2010 Jean-loup Gailly
* For conditions of distribution and use, see copyright notice in
* zlib.h */
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h. */
#ifndef ZUTIL_H
#define ZUTIL_H
#define ZLIB_INTERNAL
#include "zlib.h"
#include <stddef.h>
#include <string.h>
#include <stdlib.h>
#define local static
typedef unsigned char uch;
typedef uch uchf;
typedef unsigned short ush;
typedef ush ushf;
typedef unsigned long ulg;
extern const char * const z_errmsg[10];
#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
#define ERR_RETURN(strm, err) \
return (strm->msg = (char *)ERR_MSG(err), (err))
#define DEF_WBITS MAX_WBITS
#if MAX_MEM_LEVEL >= 8
#define DEF_MEM_LEVEL 8
#else
#define DEF_MEM_LEVEL MAX_MEM_LEVEL
#endif
#define STORED_BLOCK 0
#define STATIC_TREES 1
#define DYN_TREES 2
#define MIN_MATCH 3
#define MAX_MATCH 258
#define PRESET_DICT 0x20
#define OS_CODE 0x03 /* assume Unix */
#define HAVE_MEMCPY 1
#define zmemcpy memcpy
#define zmemzero(dest, len) memset(dest, 0, len)
#ifdef DEBUG
#include <stdio.h>
extern int ZLIB_INTERNAL z_verbose;
extern void ZLIB_INTERNAL z_error OF((char *m));
#define Assert(cond, msg) { if(!(cond)) z_error(msg); }
#define Trace(x) { if (z_verbose >= 0) fprintf x; }
#define Tracev(x) { if (z_verbose > 0) fprintf x; }
#define Tracevv(x) {if (z_verbose > 1) fprintf x; }
#define Tracec(c, x) {if (z_verbose > 0 && (c)) fprintf x; }
#define Tracecv(c, x) {if (z_verbose > 1 && (c)) fprintf x; }
#else
#define Assert(cond, msg)
#define Trace(x)
#define Tracev(x)
#define Tracevv(x)
#define Tracec(c, x)
#define Tracecv(c, x)
#endif
voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,
unsigned size));
void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr));
#define ZALLOC(strm, items, size) \
(*((strm)->zalloc))((strm)->opaque, (items), (size))
#define ZFREE(strm, addr) \
(*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
#define TRY_FREE(s, p) { if (p) ZFREE(s, p); }
#endif
/* eof */
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