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71 lines
2.5 KiB
C
71 lines
2.5 KiB
C
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/* ioapi.h -- IO base function header for compress/uncompress .zip
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files using zlib + zip or unzip API
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Version 1.01e, February 12th, 2005
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Copyright (C) 1998-2005 Gilles Vollant
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*/
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#ifndef _ZLIBIOAPI_H
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#define _ZLIBIOAPI_H
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#define ZLIB_FILEFUNC_SEEK_CUR (1)
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#define ZLIB_FILEFUNC_SEEK_END (2)
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#define ZLIB_FILEFUNC_SEEK_SET (0)
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#define ZLIB_FILEFUNC_MODE_READ (1)
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#define ZLIB_FILEFUNC_MODE_WRITE (2)
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#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3)
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#define ZLIB_FILEFUNC_MODE_EXISTING (4)
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#define ZLIB_FILEFUNC_MODE_CREATE (8)
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#ifndef ZCALLBACK
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#if (defined(WIN32) || defined(WINDOWS) || defined(_WINDOWS)) && defined(CALLBACK) && defined(USEWINDOWS_CALLBACK)
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#define ZCALLBACK CALLBACK
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#else
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#define ZCALLBACK
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#endif
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#endif
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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typedef voidpf(ZCALLBACK *open_file_func) OF((voidpf opaque, const char *filename, int mode));
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typedef uLong(ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void *buf, uLong size));
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typedef uLong(ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void *buf, uLong size));
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typedef long(ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));
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typedef long(ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin));
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typedef int(ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream));
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typedef int(ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream));
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typedef struct zlib_filefunc_def_s
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{
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open_file_func zopen_file;
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read_file_func zread_file;
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write_file_func zwrite_file;
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tell_file_func ztell_file;
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seek_file_func zseek_file;
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close_file_func zclose_file;
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testerror_file_func zerror_file;
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voidpf opaque;
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} zlib_filefunc_def;
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void fill_fopen_filefunc OF((zlib_filefunc_def * pzlib_filefunc_def));
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#define ZREAD(filefunc, filestream, buf, size) ((*((filefunc).zread_file))((filefunc).opaque, filestream, buf, size))
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#define ZWRITE(filefunc, filestream, buf, size) ((*((filefunc).zwrite_file))((filefunc).opaque, filestream, buf, size))
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#define ZTELL(filefunc, filestream) ((*((filefunc).ztell_file))((filefunc).opaque, filestream))
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#define ZSEEK(filefunc, filestream, pos, mode) ((*((filefunc).zseek_file))((filefunc).opaque, filestream, pos, mode))
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#define ZCLOSE(filefunc, filestream) ((*((filefunc).zclose_file))((filefunc).opaque, filestream))
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#define ZERROR(filefunc, filestream) ((*((filefunc).zerror_file))((filefunc).opaque, filestream))
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#ifdef __cplusplus
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}
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#endif
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#endif
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