src/system/boot/loader/file_systems/bfs/File.cpp

   1 /*
   2  * Copyright 2003-2013, Axel Dörfler, axeld@pinc-software.de.
   3  * This file may be used under the terms of the MIT License.
   4  */
   5
   6
   7 #include "File.h"
   8
   9
  10 namespace BFS {
  11
  12
  13 File::File(Volume &volume, block_run run)
  14         :
  15         fStream(volume, run)
  16 {
  17 }
  18
  19
  20 File::File(Volume &volume, off_t id)
  21         :
  22         fStream(volume, id)
  23 {
  24 }
  25
  26
  27 File::File(const Stream &stream)
  28         :
  29         fStream(stream)
  30 {
  31 }
  32
  33
  34 File::~File()
  35 {
  36 }
  37
  38
  39 status_t
  40 File::InitCheck()
  41 {
  42         return fStream.InitCheck();
  43 }
  44
  45
  46 ssize_t
  47 File::ReadAt(void *cookie, off_t pos, void *buffer, size_t bufferSize)
  48 {
  49         status_t status = fStream.ReadAt(pos, (uint8 *)buffer, &bufferSize);
  50         if (status < B_OK)
  51                 return status;
  52
  53         return bufferSize;
  54 }
  55
  56
  57 ssize_t
  58 File::WriteAt(void *cookie, off_t pos, const void *buffer, size_t bufferSize)
  59 {
  60         return EROFS;
  61 }
  62
  63
  64 status_t
  65 File::GetName(char *nameBuffer, size_t bufferSize) const
  66 {
  67         return fStream.GetName(nameBuffer, bufferSize);
  68 }
  69
  70
  71 int32
  72 File::Type() const
  73 {
  74         return S_IFREG;
  75 }
  76
  77
  78 off_t
  79 File::Size() const
  80 {
  81         return fStream.Size();
  82 }
  83
  84
  85 ino_t
  86 File::Inode() const
  87 {
  88         return fStream.ID();
  89 }
  90
  91
  92 }       // namespace BFS