p7zip-rar/CPP/Common/C_FileIO.h
2017-10-11 12:40:22 +02:00

54 lines
955 B
C++

// Common/C_FileIO.h
#ifndef __COMMON_C_FILEIO_H
#define __COMMON_C_FILEIO_H
#include <stdio.h>
#include <sys/types.h>
#include "MyTypes.h"
#include "MyWindows.h"
#ifdef _WIN32
#ifdef _MSC_VER
typedef size_t ssize_t;
#endif
#endif
namespace NC {
namespace NFile {
namespace NIO {
class CFileBase
{
protected:
int _handle;
bool OpenBinary(const char *name, int flags);
public:
CFileBase(): _handle(-1) {};
~CFileBase() { Close(); }
bool Close();
bool GetLength(UInt64 &length) const;
off_t Seek(off_t distanceToMove, int moveMethod) const;
};
class CInFile: public CFileBase
{
public:
bool Open(const char *name);
bool OpenShared(const char *name, bool shareForWrite);
ssize_t Read(void *data, size_t size);
};
class COutFile: public CFileBase
{
public:
bool Create(const char *name, bool createAlways);
bool Open(const char *name, DWORD creationDisposition);
ssize_t Write(const void *data, size_t size);
};
}}}
#endif