Rev 6617 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6617 | IgorA | 1 | ; zutil.inc -- internal interface and configuration of the compression library |
| 2 | ; Copyright (C) 1995-2013 Jean-loup Gailly. |
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| 3 | ; For conditions of distribution and use, see copyright notice in zlib.inc |
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| 4 | |||
| 5 | ; WARNING: this file should *not* be used by applications. It is |
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| 6 | ; part of the implementation of the compression library and is |
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| 7 | ; subject to change. Applications should only use zlib.inc. |
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| 8 | |||
| 9 | |||
| 10 | macro ERR_MSG err |
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| 11 | { |
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| 6639 | IgorA | 12 | mov ecx,Z_NEED_DICT |
| 13 | sub ecx,err |
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| 6617 | IgorA | 14 | mov ecx,[4*ecx+z_errmsg] |
| 15 | } |
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| 16 | |||
| 17 | macro ERR_RETURN strm,err |
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| 18 | { |
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| 19 | ERR_MSG err |
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| 20 | mov [strm+z_stream.msg],ecx |
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| 21 | mov eax,err |
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| 22 | } |
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| 23 | ; To be used only when the state is known to be valid |
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| 24 | |||
| 25 | ; /* common constants */ |
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| 26 | |||
| 27 | ;#ifndef DEF_WBITS |
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| 28 | ;# define DEF_WBITS MAX_WBITS |
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| 29 | ;end if |
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| 30 | ; default windowBits for decompression. MAX_WBITS is for compression only |
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| 31 | |||
| 32 | ;#if MAX_MEM_LEVEL >= 8 |
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| 33 | DEF_MEM_LEVEL equ 8 |
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| 34 | ;#else |
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| 35 | ;# define DEF_MEM_LEVEL MAX_MEM_LEVEL |
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| 36 | ;end if |
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| 37 | ; default memLevel |
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| 38 | |||
| 39 | STORED_BLOCK equ 0 |
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| 40 | STATIC_TREES equ 1 |
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| 41 | DYN_TREES equ 2 |
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| 42 | ; The three kinds of block type |
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| 43 | |||
| 44 | MIN_MATCH equ 3 |
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| 45 | MAX_MATCH equ 258 |
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| 46 | ; The minimum and maximum match lengths |
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| 47 | |||
| 48 | PRESET_DICT equ 0x20 ;preset dictionary flag in zlib header |
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| 49 | |||
| 50 | ; /* common defaults */ |
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| 51 | |||
| 52 | OS_CODE equ 0x03 ;assume Unix |
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| 53 | |||
| 54 | ; /* functions */ |
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| 55 | |||
| 56 | ; Diagnostic functions |
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| 57 | ;if DEBUG eq 1 |
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| 58 | ;# define Trace(x) {if (z_verbose>=0) fprintf x ;} |
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| 59 | ;# define Tracev(x) {if (z_verbose>0) fprintf x ;} |
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| 60 | macro Tracevv mes1, mes2 |
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| 61 | { |
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| 62 | ;zlib_debug 'Tracevv = %d', mes1 |
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| 63 | } |
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| 64 | ;# define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;} |
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| 65 | ;# define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;} |
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| 66 | ;end if |
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| 67 | |||
| 68 | macro ZALLOC strm, items, size |
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| 69 | { |
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| 70 | stdcall dword[strm+z_stream.zalloc], [strm+z_stream.opaque], items, size |
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| 71 | } |
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| 72 | macro ZFREE strm, p2addr |
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| 73 | { |
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| 74 | stdcall dword[strm+z_stream.zfree], dword[strm+z_stream.opaque], p2addr |
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| 75 | } |
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| 76 | macro TRY_FREE s, p |
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| 77 | { |
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| 78 | local .end0 |
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| 79 | cmp p,0 |
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| 80 | je .end0 |
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| 81 | ZFREE s, p |
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| 82 | .end0: |
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| 83 | } |
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| 84 | |||
| 85 | ; Reverse the bytes in a 32-bit value |
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| 86 | macro ZSWAP32 q |
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| 87 | { |
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| 88 | bswap q |
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| 89 | } |