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Adding new files from ioquake3
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Richard Allen
parent
5aab7746ae
commit
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2 changed files with 257 additions and 0 deletions
182
reaction/code/qcommon/ioapi.c
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182
reaction/code/qcommon/ioapi.c
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/* ioapi.c -- 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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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef USE_LOCAL_HEADERS
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#include "../zlib/zlib.h"
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#else
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#include <zlib.h>
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#endif
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#include "ioapi.h"
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/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */
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#ifndef SEEK_CUR
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#define SEEK_CUR 1
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#endif
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#ifndef SEEK_END
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#define SEEK_END 2
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#endif
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#ifndef SEEK_SET
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#define SEEK_SET 0
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#endif
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voidpf ZCALLBACK fopen_file_func OF((
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voidpf opaque,
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const char* filename,
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int mode));
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uLong ZCALLBACK fread_file_func OF((
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voidpf opaque,
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voidpf stream,
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void* buf,
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uLong size));
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uLong ZCALLBACK fwrite_file_func OF((
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voidpf opaque,
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voidpf stream,
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const void* buf,
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uLong size));
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long ZCALLBACK ftell_file_func OF((
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voidpf opaque,
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voidpf stream));
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long ZCALLBACK fseek_file_func OF((
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voidpf opaque,
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voidpf stream,
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uLong offset,
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int origin));
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int ZCALLBACK fclose_file_func OF((
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voidpf opaque,
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voidpf stream));
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int ZCALLBACK ferror_file_func OF((
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voidpf opaque,
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voidpf stream));
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voidpf ZCALLBACK fopen_file_func (opaque, filename, mode)
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voidpf opaque;
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const char* filename;
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int mode;
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{
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FILE* file = NULL;
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const char* mode_fopen = NULL;
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if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
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mode_fopen = "rb";
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else
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if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
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mode_fopen = "r+b";
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else
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if (mode & ZLIB_FILEFUNC_MODE_CREATE)
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mode_fopen = "wb";
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if ((filename!=NULL) && (mode_fopen != NULL))
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file = fopen(filename, mode_fopen);
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return file;
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}
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uLong ZCALLBACK fread_file_func (opaque, stream, buf, size)
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voidpf opaque;
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voidpf stream;
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void* buf;
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uLong size;
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{
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uLong ret;
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ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
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return ret;
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}
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uLong ZCALLBACK fwrite_file_func (opaque, stream, buf, size)
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voidpf opaque;
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voidpf stream;
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const void* buf;
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uLong size;
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{
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uLong ret;
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ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
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return ret;
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}
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long ZCALLBACK ftell_file_func (opaque, stream)
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voidpf opaque;
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voidpf stream;
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{
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long ret;
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ret = ftell((FILE *)stream);
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return ret;
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}
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long ZCALLBACK fseek_file_func (opaque, stream, offset, origin)
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voidpf opaque;
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voidpf stream;
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uLong offset;
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int origin;
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{
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int fseek_origin=0;
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long ret;
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switch (origin)
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{
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case ZLIB_FILEFUNC_SEEK_CUR :
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fseek_origin = SEEK_CUR;
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break;
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case ZLIB_FILEFUNC_SEEK_END :
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fseek_origin = SEEK_END;
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break;
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case ZLIB_FILEFUNC_SEEK_SET :
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fseek_origin = SEEK_SET;
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break;
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default: return -1;
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}
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ret = 0;
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fseek((FILE *)stream, offset, fseek_origin);
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return ret;
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}
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int ZCALLBACK fclose_file_func (opaque, stream)
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voidpf opaque;
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voidpf stream;
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{
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int ret;
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ret = fclose((FILE *)stream);
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return ret;
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}
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int ZCALLBACK ferror_file_func (opaque, stream)
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voidpf opaque;
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voidpf stream;
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{
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int ret;
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ret = ferror((FILE *)stream);
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return ret;
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}
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void fill_fopen_filefunc (pzlib_filefunc_def)
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zlib_filefunc_def* pzlib_filefunc_def;
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{
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pzlib_filefunc_def->zopen_file = fopen_file_func;
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pzlib_filefunc_def->zread_file = fread_file_func;
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pzlib_filefunc_def->zwrite_file = fwrite_file_func;
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pzlib_filefunc_def->ztell_file = ftell_file_func;
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pzlib_filefunc_def->zseek_file = fseek_file_func;
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pzlib_filefunc_def->zclose_file = fclose_file_func;
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pzlib_filefunc_def->zerror_file = ferror_file_func;
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pzlib_filefunc_def->opaque = NULL;
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}
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75
reaction/code/qcommon/ioapi.h
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75
reaction/code/qcommon/ioapi.h
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@ -0,0 +1,75 @@
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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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#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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