176 lines
4.3 KiB
C
Executable File
176 lines
4.3 KiB
C
Executable File
//
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// ZUTIL.H
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//
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// Source file for ArchiveLib 2.0
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//
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// No Copyright claimed by Greenleaf Software!
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//
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// DESCRIPTION
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//
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// This is one of the ZLIB source files, with as few changes as possible.
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//
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// REVISION HISTORY
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//
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// February 14, 1996 2.0A : New release
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/* zutil.h -- internal interface and configuration of the compression library
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* Copyright (C) 1995 Jean-loup Gailly.
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* For conditions of distribution and use, see copyright notice in zlib.h
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*/
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/* WARNING: this file should *not* be used by applications. It is
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part of the implementation of the compression library and is
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subject to change. Applications should only use zlib.h.
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*/
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/* $Id: zutil.h,v 1.1.1.1 1997-10-09 16:08:48 alex Exp $ */
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#ifndef _Z_UTIL_H
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#define _Z_UTIL_H
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#if !defined( AL_FLAT_MODEL )
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#define ZL_FAR _far
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#else
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#define ZL_FAR
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#endif
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#include "zlib.h"
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/* #ifndef __GNUC__ disable inline for now */
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# define inline
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/* #endif */
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/*
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* #ifdef MSDOS
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* # include <stddef.h>
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* # include <errno.h>
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* #else
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* extern int errno;
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*
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* #endif
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*/
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#include <errno.h>
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#include <string.h>
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#ifndef local
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# define local static
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#endif
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/* compile with -Dlocal if your debugger can't find static symbols */
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typedef unsigned char uch;
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typedef unsigned short ush;
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typedef unsigned long ulg;
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//
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// Under msc, I get a warning if it doesn't know the length of this
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// array. Under Watcom, I get an error if I do know the length!
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//
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#if defined( AL_MICROSOFT )
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extern char *z_errmsg[8]; /* indexed by 1-zlib_error */
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#else
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extern char *z_errmsg[8]; /* indexed by 1-zlib_error */
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#endif
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#define ERR_RETURN(strm,err) return (strm->msg=z_errmsg[1-err], err)
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/* To be used only when the state is known to be valid */
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/* common constants */
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#define DEFLATED 8
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#define DEF_WBITS 15
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/* default windowBits for decompression. MAX_WBITS is for compression only */
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#if MAX_MEM_LEVEL >= 8
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# define DEF_MEM_LEVEL 8
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#else
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# define DEF_MEM_LEVEL MAX_MEM_LEVEL
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#endif
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/* default memLevel */
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#define STORED_BLOCK 0
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#define STATIC_TREES 1
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#define DYN_TREES 2
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/* The three kinds of block type */
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#define MIN_MATCH 3
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#define MAX_MATCH 258
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/* The minimum and maximum match lengths */
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/* target dependencies */
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//#if defined( AL_WINDOWS ) || defined( MSDOS )
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# ifdef __TURBOC__
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# include <alloc.h>
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# else /* MSC */
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# include <malloc.h>
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# endif
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//#endif
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#ifndef FOPEN
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# define FOPEN(name, mode) fopen((name), (mode))
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#endif
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/* functions */
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#ifdef HAVE_STRERROR
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extern char *strerror __P((int));
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# define zstrerror(errnum) strerror(errnum)
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#else
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# define zstrerror(errnum) ""
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#endif
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#if defined(pyr) && !defined(NO_MEMCPY)
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# define NO_MEMCPY
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#endif
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#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
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# define HAVE_MEMCPY
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#endif
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#ifdef HAVE_MEMCPY
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# if defined( AL_FLAT_MODEL )
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# define zmemcpy memcpy
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# define zmemzero(dest, len) memset(dest, 0, len)
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# else
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# define zmemcpy _fmemcpy
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# define zmemzero(dest, len) _fmemset(dest, 0, len)
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# endif
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#else
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extern void zmemcpy __P((Byte* dest, Byte* source, uInt len));
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extern void zmemzero __P((Byte* dest, uInt len));
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#endif
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/* Diagnostic functions */
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#ifdef DEBUG
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# include <stdio.h>
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# ifndef verbose
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# define verbose 0
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# endif
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# define Assert(cond,msg) {if(!(cond)) z_error(msg);}
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# define Trace(x) fprintf x
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# define Tracev(x) {if (verbose) fprintf x ;}
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# define Tracevv(x) {if (verbose>1) fprintf x ;}
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# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
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# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
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#else
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# define Assert(cond,msg)
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# define Trace(x)
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# define Tracev(x)
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# define Tracevv(x)
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# define Tracec(c,x)
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# define Tracecv(c,x)
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#endif
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typedef uLong (*check_func) __P((uLong check, Byte ZL_FAR *buf, uInt len));
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extern void z_error __P((char *m));
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voidp zcalloc __P((voidp opaque, unsigned items, unsigned size));
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void zcfree __P((voidp opaque, voidp ptr));
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#define ZALLOC(strm, items, size) \
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(*((strm)->zalloc))((strm)->opaque, (items), (size))
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#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidp)(addr))
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#define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
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#endif /* _Z_UTIL_H */
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