CPPUtil/UtilMappedFile.hpp

   1 //
   2 //  UtilMappedFile.h
   3 //  CPPUtil
   4 //
   5 //  Created by James McIlree on 4/19/13.
   6 //  Copyright (c) 2013 Apple. All rights reserved.
   7 //
   8
   9 #ifndef __CPPUtil__UtilMappedFile__
  10 #define __CPPUtil__UtilMappedFile__
  11
  12 class MappedFile {
  13     protected:
  14         unsigned char*  _address;
  15         size_t          _size;
  16
  17     public:
  18         MappedFile(const char* path);
  19         ~MappedFile();
  20
  21         uint8_t* address()      { return _address; }
  22         size_t size()           { return _size; }
  23
  24         bool mmap_failed() const        { return _size > 0 && _address == nullptr; }
  25 };
  26
  27 #endif /* defined(__CPPUtil__UtilMappedFile__) */