misc/quazip/ioapi.h
author nemo
Mon, 29 Oct 2012 18:20:08 -0400
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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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   Modified by Sergey A. Tachenov to integrate with Qt.
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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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#endif
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typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, voidpf file, 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 uLong   (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));
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typedef int   (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_qiodevice_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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