release/src-rt/linux/linux-2.6/scripts/squashfs/lzma/C/Common/C_FileIO.h

   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 "Types.h"
  10 #include "MyWindows.h"
  11
  12 namespace NC {
  13 namespace NFile {
  14 namespace NIO {
  15
  16 class CFileBase
  17 {
  18 protected:
  19   int _handle;
  20   bool OpenBinary(const char *name, int flags);
  21 public:
  22   CFileBase(): _handle(-1) {};
  23   ~CFileBase() { Close(); }
  24   bool Close();
  25   bool GetLength(UInt64 &length) const;
  26   off_t Seek(off_t distanceToMove, int moveMethod) const;
  27 };
  28
  29 class CInFile: public CFileBase
  30 {
  31 public:
  32   bool Open(const char *name);
  33   ssize_t Read(void *data, size_t size);
  34 };
  35
  36 class COutFile: public CFileBase
  37 {
  38 public:
  39   bool Create(const char *name, bool createAlways);
  40   ssize_t Write(const void *data, size_t size);
  41 };
  42
  43 }}}
  44
  45 #endif