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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4 Version 1.01e, February 12th, 2005
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6 Copyright (C) 1998-2005 Gilles Vollant
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10 #define _ZLIBIOAPI_H
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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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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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21 #define ZLIB_FILEFUNC_MODE_EXISTING (4)
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22 #define ZLIB_FILEFUNC_MODE_CREATE (8)
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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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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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46 typedef struct zlib_filefunc_def_s
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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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56 } zlib_filefunc_def;
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60 void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def));
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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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