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      1 // Common/C_FileIO.h
      2 
      3 #ifndef __COMMON_C_FILEIO_H
      4 #define __COMMON_C_FILEIO_H
      5 
      6 #include <stdio.h>
      7 #include <sys/types.h>
      8 
      9 #include "MyTypes.h"
     10 #include "MyWindows.h"
     11 
     12 #ifdef _WIN32
     13 #ifdef _MSC_VER
     14 typedef size_t ssize_t;
     15 #endif
     16 #endif
     17 
     18 namespace NC {
     19 namespace NFile {
     20 namespace NIO {
     21 
     22 class CFileBase
     23 {
     24 protected:
     25   int _handle;
     26   bool OpenBinary(const char *name, int flags);
     27 public:
     28   CFileBase(): _handle(-1) {};
     29   ~CFileBase() { Close(); }
     30   bool Close();
     31   bool GetLength(UInt64 &length) const;
     32   off_t Seek(off_t distanceToMove, int moveMethod) const;
     33 };
     34 
     35 class CInFile: public CFileBase
     36 {
     37 public:
     38   bool Open(const char *name);
     39   bool OpenShared(const char *name, bool shareForWrite);
     40   ssize_t Read(void *data, size_t size);
     41 };
     42 
     43 class COutFile: public CFileBase
     44 {
     45 public:
     46   bool Create(const char *name, bool createAlways);
     47   bool Open(const char *name, DWORD creationDisposition);
     48   ssize_t Write(const void *data, size_t size);
     49 };
     50 
     51 }}}
     52 
     53 #endif
     54