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/**
* @namespace biew
* @file bmfile.h
* @brief This file contains prototypes of Buffering streams Manager.
* @version -
* @remark this source file is part of Binary vIEW project (BIEW).
* The Binary vIEW (BIEW) is copyright (C) 1995 Nick Kurshev.
* All rights reserved. This software is redistributable under the
* licence given in the file "Licence.en" ("Licence.ru" in russian
* translation) distributed in the BIEW archive.
* @note Requires POSIX compatible development system
*
* @author Nick Kurshev
* @since 1995
* @note Development, fixes and improvements
**/
#ifndef __BMFILE_INC
#define __BMFILE_INC
#ifdef __cplusplus
extern "C" {
#endif
#ifndef __BBIO_H
#include "biewlib/bbio.h"
#endif
#if __WORDSIZE == 16
#define BBIO_CACHE_SIZE 0x4000 /* 16k */
#define BBIO_SMALL_CACHE_SIZE 0x1000 /* 4k */
#else
#define BBIO_CACHE_SIZE 0xFFFF /* 64k */
#define BBIO_SMALL_CACHE_SIZE 0x4000 /* 16k */
#endif
BGLOBAL __FASTCALL__ biewOpenRO(char *fname,unsigned cache_size);
BGLOBAL __FASTCALL__ biewOpenRW(char *fname,unsigned cache_size);
#define BM_SEEK_SET BIO_SEEK_SET
#define BM_SEEK_CUR BIO_SEEK_CUR
#define BM_SEEK_END BIO_SEEK_END
int __FASTCALL__ BMOpen(char * fname);
void __FASTCALL__ BMClose( void );
tBool __FASTCALL__ BMEOF( void );
void __FASTCALL__ BMSeek(long pos,int RELATION);
void __FASTCALL__ BMReRead( void );
tUInt8 __FASTCALL__ BMReadByte( void );
tUInt16 __FASTCALL__ BMReadWord( void );
tUInt32 __FASTCALL__ BMReadDWord( void );
tBool __FASTCALL__ BMReadBuffer(void * buffer,unsigned len);
tUInt8 __FASTCALL__ BMReadByteEx(long pos,int RELATION);
tUInt16 __FASTCALL__ BMReadWordEx(long pos,int RELATION);
tUInt32 __FASTCALL__ BMReadDWordEx(long pos,int RELATION);
tBool __FASTCALL__ BMReadBufferEx(void * buffer,unsigned len,long pos,int RELATION);
int __FASTCALL__ BMHandle( void );
BGLOBAL __FASTCALL__ BMbioHandle( void );
char * __FASTCALL__ BMName( void );
unsigned long __FASTCALL__ BMGetCurrFilePos( void );
unsigned long __FASTCALL__ BMGetFLength( void );
tBool __FASTCALL__ BMWriteByte(tUInt8 byte);
tBool __FASTCALL__ BMWriteWord(tUInt16 word);
tBool __FASTCALL__ BMWriteDWord(tUInt32 dword);
tBool __FASTCALL__ BMWriteBuff(void * buff,unsigned len);
tBool __FASTCALL__ BMWriteByteEx(long pos,int RELATION,tUInt8 byte);
tBool __FASTCALL__ BMWriteWordEx(long pos,int RELATION,tUInt16 word);
tBool __FASTCALL__ BMWriteDWordEx(long pos,int RELATION,tUInt32 dword);
tBool __FASTCALL__ BMWriteBuffEx(long pos,int RELATION,void * buff,unsigned len);
/** Below analogs with using small cache size */
tBool __FASTCALL__ bmEOF( void );
void __FASTCALL__ bmSeek(long pos,int RELATION);
void __FASTCALL__ bmReRead( void );
tUInt8 __FASTCALL__ bmReadByte( void );
tUInt16 __FASTCALL__ bmReadWord( void );
tUInt32 __FASTCALL__ bmReadDWord( void );
tBool __FASTCALL__ bmReadBuffer(void * buffer,unsigned len);
tUInt8 __FASTCALL__ bmReadByteEx(long pos,int RELATION);
tUInt16 __FASTCALL__ bmReadWordEx(long pos,int RELATION);
tUInt32 __FASTCALL__ bmReadDWordEx(long pos,int RELATION);
tBool __FASTCALL__ bmReadBufferEx(void * buffer,unsigned len,long pos,int RELATION);
int __FASTCALL__ bmHandle( void );
BGLOBAL __FASTCALL__ bmbioHandle( void );
char * __FASTCALL__ bmName( void );
unsigned long __FASTCALL__ bmGetCurrFilePos( void );
unsigned long __FASTCALL__ bmGetFLength( void );
tBool __FASTCALL__ bmWriteByte(tUInt8 byte);
tBool __FASTCALL__ bmWriteWord(tUInt16 word);
tBool __FASTCALL__ bmWriteDWord(tUInt32 dword);
tBool __FASTCALL__ bmWriteBuff(void * buff,unsigned len);
tBool __FASTCALL__ bmWriteByteEx(long pos,int RELATION,tUInt8 byte);
tBool __FASTCALL__ bmWriteWordEx(long pos,int RELATION,tUInt16 word);
tBool __FASTCALL__ bmWriteDWordEx(long pos,int RELATION,tUInt32 dword);
tBool __FASTCALL__ bmWriteBuffEx(long pos,int RELATION,void * buff,unsigned len);
#ifdef __cplusplus
}
#endif
#endif
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