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Rev | Author | Line No. | Line |
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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 | } |