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e39f4dfd21
(cherry picked from commit 3ebcf7d0bb02c8bd3a42398fe5f4b574dd179fe8) Conflicts: Interface/File.h file.h file_linux.cpp file_win.cpp fsimageplugin/CompressedFile.cpp fsimageplugin/CompressedFile.h fsimageplugin/FileWrapper.cpp fsimageplugin/FileWrapper.h fsimageplugin/vhdfile.cpp fsimageplugin/vhdfile.h
134 lines
3.0 KiB
C++
134 lines
3.0 KiB
C++
/*************************************************************************
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* UrBackup - Client/Server backup system
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* Copyright (C) 2011-2016 Martin Raiber
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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**************************************************************************/
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#include "FileWrapper.h"
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std::string FileWrapper::getFilename( void )
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{
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return wfile->getFilename();
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}
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_i64 FileWrapper::RealSize()
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{
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return static_cast<_i64>(wfile->usedSize());
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}
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_i64 FileWrapper::Size( void )
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{
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return static_cast<_i64>(wfile->getSize())-offset;
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}
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bool FileWrapper::Seek( _i64 spos )
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{
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return wfile->Seek(offset+spos);
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}
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_u32 FileWrapper::Write( const char* buffer, _u32 bsize, bool *has_error )
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{
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return wfile->Write(buffer, bsize, has_error);
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}
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_u32 FileWrapper::Write(int64 spos, const char* buffer, _u32 bsize, bool *has_error)
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{
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if(!Seek(spos))
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{
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if (has_error) *has_error = true;
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return 0;
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}
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return wfile->Write( buffer, bsize);
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}
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_u32 FileWrapper::Write( const std::string &tw, bool *has_error )
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{
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return Write( tw.c_str(), (_u32)tw.size(), has_error);
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}
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_u32 FileWrapper::Write( int64 spos, const std::string &tw, bool *has_error)
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{
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if (!Seek(spos))
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{
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if (has_error) *has_error = true;
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return 0;
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}
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return Write(tw.c_str(), (_u32)tw.size(), has_error);
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}
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_u32 FileWrapper::Read( char* buffer, _u32 bsize, bool *has_error )
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{
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size_t read;
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bool rc = wfile->Read(buffer, bsize, read);
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if(!rc)
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{
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if(has_error) *has_error=true;
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read=0;
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}
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return static_cast<_u32>(read);
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}
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_u32 FileWrapper::Read(int64 spos, char* buffer, _u32 bsize, bool *has_error)
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{
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if(!Seek(spos))
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{
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if (has_error) *has_error = true;
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return 0;
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}
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return Read(buffer, bsize, has_error);
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}
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std::string FileWrapper::Read( _u32 tr, bool *has_error )
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{
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std::string ret;
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ret.resize(tr);
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_u32 gc=Read((char*)ret.c_str(), tr, has_error);
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if( gc<tr )
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ret.resize( gc );
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return ret;
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}
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std::string FileWrapper::Read(int64 spos, _u32 tr, bool *has_error)
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{
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if(!Seek(spos))
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{
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if (has_error) *has_error = true;
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return std::string();
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}
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return Read(tr, has_error);
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}
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FileWrapper::FileWrapper( IVHDFile* wfile, int64 offset )
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: wfile(wfile), offset(offset)
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{
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Seek(0);
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}
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bool FileWrapper::PunchHole( _i64 spos, _i64 size )
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{
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return false;
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}
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bool FileWrapper::Sync()
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{
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return false;
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}
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