kolibrios-fun/programs/other/graph/graph_tablelib/KosFile.h

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#pragma once
#define SEEK_SET 0
#define SEEK_CUR 1
#define FILE_BUFFER_SIZE 512
#define OS_BLOCK_SIZE 1
#define FILE_BUFFER_BLOCKS (FILE_BUFFER_SIZE / OS_BLOCK_SIZE)
class CKosFile
{
public:
CKosFile(char *fileName);
virtual ~CKosFile(void);
virtual int Read(Byte *targetPtr, int readCount);
virtual int Write(Byte *sourcePtr, int writeCount);
virtual int Seek(int seekFrom, int seekStep);
protected:
int filePointer;
int bufferPointer;
bool validBuffer;
kosFileInfo fileInfo;
virtual void ValidateBuffer(void);
virtual void UpdateBuffer(void);
};