diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/source/stream/strmwnt.cxx | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/tools/source/stream/strmwnt.cxx b/tools/source/stream/strmwnt.cxx index 57f7c8b50c07..d7d3a73ed2ce 100644 --- a/tools/source/stream/strmwnt.cxx +++ b/tools/source/stream/strmwnt.cxx @@ -152,24 +152,29 @@ sal_uInt64 SvFileStream::SeekPos(sal_uInt64 const nPos) { // check if a truncated STREAM_SEEK_TO_END was passed assert(nPos != SAL_MAX_UINT32); - DWORD nNewPos = 0; + LARGE_INTEGER nNewPos, nActPos; + nNewPos.QuadPart = 0; + nActPos.QuadPart = nPos; + bool result = false; if( IsOpen() ) { if( nPos != STREAM_SEEK_TO_END ) - // 64-Bit files are not supported - nNewPos=SetFilePointer(mxFileHandle,nPos,nullptr,FILE_BEGIN); + { + result = SetFilePointerEx(mxFileHandle, nActPos, &nNewPos, FILE_BEGIN); + } else - nNewPos=SetFilePointer(mxFileHandle,0L,nullptr,FILE_END); - - if( nNewPos == 0xFFFFFFFF ) { - SetError(::GetSvError( GetLastError() ) ); - nNewPos = 0; + result = SetFilePointerEx(mxFileHandle, nNewPos, &nNewPos, FILE_END); + } + if (!result) + { + SetError(::GetSvError(GetLastError())); + return 0; } } else SetError( SVSTREAM_GENERALERROR ); - return static_cast<sal_uInt64>(nNewPos); + return static_cast<sal_uInt64>(nNewPos.QuadPart); } void SvFileStream::FlushData() |