diff options
Diffstat (limited to 'src/Platform/File.h')
| -rw-r--r-- | src/Platform/File.h | 210 |
1 files changed, 105 insertions, 105 deletions
diff --git a/src/Platform/File.h b/src/Platform/File.h index ea4fef93..5bb25a01 100644 --- a/src/Platform/File.h +++ b/src/Platform/File.h @@ -3,112 +3,112 @@ Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed by the TrueCrypt License 3.0. - Modifications and additions to the original source code (contained in this file) + Modifications and additions to the original source code (contained in this file) and all other portions of this file are Copyright (c) 2013-2016 IDRIX and are governed by the Apache License 2.0 the full text of which is contained in the file License.txt included in VeraCrypt binary and source code distribution packages. -*/
-
-#ifndef TC_HEADER_Platform_File
-#define TC_HEADER_Platform_File
-
-#include "PlatformBase.h"
-#include "Buffer.h"
-#include "FilesystemPath.h"
-#include "SystemException.h"
-
-namespace VeraCrypt
-{
- class File
- {
- public:
- enum FileOpenMode
- {
- CreateReadWrite,
- CreateWrite,
- OpenRead,
- OpenWrite,
- OpenReadWrite
- };
-
- enum FileShareMode
- {
- ShareNone,
- ShareRead,
- ShareReadWrite,
- ShareReadWriteIgnoreLock
- };
-
- enum FileOpenFlags
- {
- // Bitmap
- FlagsNone = 0,
- PreserveTimestamps = 1 << 0,
- DisableWriteCaching = 1 << 1
- };
-
-#ifdef TC_WINDOWS
- typedef FILE* SystemFileHandleType;
-#else
- typedef int SystemFileHandleType;
-#endif
-
- File () : FileIsOpen (false), SharedHandle (false) { }
- virtual ~File ();
-
- void AssignSystemHandle (SystemFileHandleType openFileHandle, bool sharedHandle = true)
- {
- if (FileIsOpen)
- Close();
- FileHandle = openFileHandle;
- FileIsOpen = true;
- SharedHandle = sharedHandle;
- }
-
- void Close ();
- static void Copy (const FilePath &sourcePath, const FilePath &destinationPath, bool preserveTimestamps = true);
- void Delete ();
- void Flush () const;
- uint32 GetDeviceSectorSize () const;
- static size_t GetOptimalReadSize () { return OptimalReadSize; }
- static size_t GetOptimalWriteSize () { return OptimalWriteSize; }
- uint64 GetPartitionDeviceStartOffset () const;
- bool IsOpen () const { return FileIsOpen; }
- FilePath GetPath () const;
- uint64 Length () const;
- void Open (const FilePath &path, FileOpenMode mode = OpenRead, FileShareMode shareMode = ShareReadWrite, FileOpenFlags flags = FlagsNone);
- uint64 Read (const BufferPtr &buffer) const;
- void ReadCompleteBuffer (const BufferPtr &buffer) const;
- uint64 ReadAt (const BufferPtr &buffer, uint64 position) const;
- void SeekAt (uint64 position) const;
- void SeekEnd (int ofset) const;
- void Write (const ConstBufferPtr &buffer) const;
- void Write (const ConstBufferPtr &buffer, size_t length) const { Write (buffer.GetRange (0, length)); }
- void WriteAt (const ConstBufferPtr &buffer, uint64 position) const;
-
- protected:
- void ValidateState () const;
-
- static const size_t OptimalReadSize = 256 * 1024;
- static const size_t OptimalWriteSize = 256 * 1024;
-
- bool FileIsOpen;
- FileOpenFlags mFileOpenFlags;
- bool SharedHandle;
- FilePath Path;
- SystemFileHandleType FileHandle;
-
-#ifdef TC_WINDOWS
-#else
- time_t AccTime;
- time_t ModTime;
-#endif
-
- private:
- File (const File &);
- File &operator= (const File &);
- };
-}
-
-#endif // TC_HEADER_Platform_File
+*/ + +#ifndef TC_HEADER_Platform_File +#define TC_HEADER_Platform_File + +#include "PlatformBase.h" +#include "Buffer.h" +#include "FilesystemPath.h" +#include "SystemException.h" + +namespace VeraCrypt +{ + class File + { + public: + enum FileOpenMode + { + CreateReadWrite, + CreateWrite, + OpenRead, + OpenWrite, + OpenReadWrite + }; + + enum FileShareMode + { + ShareNone, + ShareRead, + ShareReadWrite, + ShareReadWriteIgnoreLock + }; + + enum FileOpenFlags + { + // Bitmap + FlagsNone = 0, + PreserveTimestamps = 1 << 0, + DisableWriteCaching = 1 << 1 + }; + +#ifdef TC_WINDOWS + typedef FILE* SystemFileHandleType; +#else + typedef int SystemFileHandleType; +#endif + + File () : FileIsOpen (false), SharedHandle (false) { } + virtual ~File (); + + void AssignSystemHandle (SystemFileHandleType openFileHandle, bool sharedHandle = true) + { + if (FileIsOpen) + Close(); + FileHandle = openFileHandle; + FileIsOpen = true; + SharedHandle = sharedHandle; + } + + void Close (); + static void Copy (const FilePath &sourcePath, const FilePath &destinationPath, bool preserveTimestamps = true); + void Delete (); + void Flush () const; + uint32 GetDeviceSectorSize () const; + static size_t GetOptimalReadSize () { return OptimalReadSize; } + static size_t GetOptimalWriteSize () { return OptimalWriteSize; } + uint64 GetPartitionDeviceStartOffset () const; + bool IsOpen () const { return FileIsOpen; } + FilePath GetPath () const; + uint64 Length () const; + void Open (const FilePath &path, FileOpenMode mode = OpenRead, FileShareMode shareMode = ShareReadWrite, FileOpenFlags flags = FlagsNone); + uint64 Read (const BufferPtr &buffer) const; + void ReadCompleteBuffer (const BufferPtr &buffer) const; + uint64 ReadAt (const BufferPtr &buffer, uint64 position) const; + void SeekAt (uint64 position) const; + void SeekEnd (int ofset) const; + void Write (const ConstBufferPtr &buffer) const; + void Write (const ConstBufferPtr &buffer, size_t length) const { Write (buffer.GetRange (0, length)); } + void WriteAt (const ConstBufferPtr &buffer, uint64 position) const; + + protected: + void ValidateState () const; + + static const size_t OptimalReadSize = 256 * 1024; + static const size_t OptimalWriteSize = 256 * 1024; + + bool FileIsOpen; + FileOpenFlags mFileOpenFlags; + bool SharedHandle; + FilePath Path; + SystemFileHandleType FileHandle; + +#ifdef TC_WINDOWS +#else + time_t AccTime; + time_t ModTime; +#endif + + private: + File (const File &); + File &operator= (const File &); + }; +} + +#endif // TC_HEADER_Platform_File |