2016-10-26 21:35:35 +02:00
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; zutil.inc -- internal interface and configuration of the compression library
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; Copyright (C) 1995-2013 Jean-loup Gailly.
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; For conditions of distribution and use, see copyright notice in zlib.inc
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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.inc.
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macro ERR_MSG err
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{
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2016-10-31 10:19:36 +01:00
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mov ecx,Z_NEED_DICT
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sub ecx,err
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2016-10-26 21:35:35 +02:00
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mov ecx,[4*ecx+z_errmsg]
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}
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macro ERR_RETURN strm,err
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{
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ERR_MSG err
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mov [strm+z_stream.msg],ecx
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mov eax,err
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}
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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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;#ifndef DEF_WBITS
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;# define DEF_WBITS MAX_WBITS
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;end if
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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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DEF_MEM_LEVEL equ 8
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;#else
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;# define DEF_MEM_LEVEL MAX_MEM_LEVEL
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;end if
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; default memLevel
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STORED_BLOCK equ 0
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STATIC_TREES equ 1
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DYN_TREES equ 2
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; The three kinds of block type
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MIN_MATCH equ 3
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MAX_MATCH equ 258
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; The minimum and maximum match lengths
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PRESET_DICT equ 0x20 ;preset dictionary flag in zlib header
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; /* common defaults */
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OS_CODE equ 0x03 ;assume Unix
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; /* functions */
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; Diagnostic functions
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;if DEBUG eq 1
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;# define Trace(x) {if (z_verbose>=0) fprintf x ;}
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;# define Tracev(x) {if (z_verbose>0) fprintf x ;}
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macro Tracevv mes1, mes2
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{
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;zlib_debug 'Tracevv = %d', mes1
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}
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;# define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
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;# define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
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;end if
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macro ZALLOC strm, items, size
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{
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stdcall dword[strm+z_stream.zalloc], [strm+z_stream.opaque], items, size
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}
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macro ZFREE strm, p2addr
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{
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stdcall dword[strm+z_stream.zfree], dword[strm+z_stream.opaque], p2addr
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}
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macro TRY_FREE s, p
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{
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local .end0
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cmp p,0
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je .end0
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ZFREE s, p
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.end0:
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}
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; Reverse the bytes in a 32-bit value
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macro ZSWAP32 q
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{
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bswap q
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}
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