1 | /* ioapi.h -- IO base function header for compress/uncompress .zip |
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2 | files using zlib + zip or unzip API |
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3 | |
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4 | Version 1.01e, February 12th, 2005 |
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5 | |
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6 | Copyright (C) 1998-2005 Gilles Vollant |
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7 | */ |
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8 | |
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9 | #ifndef _ZLIBIOAPI_H |
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10 | #define _ZLIBIOAPI_H |
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11 | |
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12 | |
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13 | #define ZLIB_FILEFUNC_SEEK_CUR (1) |
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14 | #define ZLIB_FILEFUNC_SEEK_END (2) |
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15 | #define ZLIB_FILEFUNC_SEEK_SET (0) |
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16 | |
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17 | #define ZLIB_FILEFUNC_MODE_READ (1) |
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18 | #define ZLIB_FILEFUNC_MODE_WRITE (2) |
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19 | #define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3) |
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20 | |
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21 | #define ZLIB_FILEFUNC_MODE_EXISTING (4) |
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22 | #define ZLIB_FILEFUNC_MODE_CREATE (8) |
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23 | |
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24 | |
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25 | #ifndef ZCALLBACK |
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26 | |
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27 | #if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK) |
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28 | #define ZCALLBACK CALLBACK |
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29 | #else |
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30 | #define ZCALLBACK |
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31 | #endif |
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32 | #endif |
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33 | |
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34 | #ifdef __cplusplus |
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35 | extern "C" { |
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36 | #endif |
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37 | |
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38 | typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode)); |
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39 | typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size)); |
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40 | typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size)); |
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41 | typedef long (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream)); |
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42 | typedef long (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin)); |
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43 | typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream)); |
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44 | typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream)); |
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45 | |
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46 | typedef struct zlib_filefunc_def_s |
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47 | { |
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48 | open_file_func zopen_file; |
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49 | read_file_func zread_file; |
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50 | write_file_func zwrite_file; |
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51 | tell_file_func ztell_file; |
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52 | seek_file_func zseek_file; |
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53 | close_file_func zclose_file; |
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54 | testerror_file_func zerror_file; |
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55 | voidpf opaque; |
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56 | } zlib_filefunc_def; |
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57 | |
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58 | |
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59 | |
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60 | void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); |
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61 | |
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62 | #define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size)) |
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63 | #define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size)) |
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64 | #define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream)) |
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65 | #define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode)) |
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66 | #define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream)) |
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67 | #define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream)) |
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68 | |
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69 | |
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70 | #ifdef __cplusplus |
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71 | } |
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72 | #endif |
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73 | |
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74 | #endif |
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75 | |
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