X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fa06876d15941852d27abcf92c86c1e536c3aaba..c220a8ec4fcb4e7b620e88c76b0a84be4554b28b:/src/common/stream.cpp diff --git a/src/common/stream.cpp b/src/common/stream.cpp index 3230417f2c..62a8e98e7d 100644 --- a/src/common/stream.cpp +++ b/src/common/stream.cpp @@ -576,10 +576,10 @@ wxFileOffset wxStreamBuffer::Seek(wxFileOffset pos, wxSeekMode mode) default: wxFAIL_MSG( _T("invalid seek mode") ); - return (wxFileOffset) wxInvalidOffset; + return wxInvalidOffset; } if (diff < 0 || diff > last_access) - return (wxFileOffset) wxInvalidOffset; + return wxInvalidOffset; SetIntPosition(diff); return diff; } @@ -616,19 +616,19 @@ wxFileOffset wxStreamBuffer::Seek(wxFileOffset pos, wxSeekMode mode) return ret_off; } - return (wxFileOffset) wxInvalidOffset; + return wxInvalidOffset; } wxFileOffset wxStreamBuffer::Tell() const { - wxFileSize_t pos; + wxFileOffset pos; // ask the stream for position if we have a real one if ( m_stream ) { pos = m_stream->OnSysTell(); if ( pos == wxInvalidOffset ) - return (wxFileOffset) wxInvalidOffset; + return wxInvalidOffset; } else // no associated stream { @@ -657,14 +657,20 @@ wxStreamBase::~wxStreamBase() { } +size_t wxStreamBase::GetSize() const +{ + wxFileOffset length = GetLength(); + return length == wxInvalidOffset ? 0 : (size_t)length; +} + wxFileOffset wxStreamBase::OnSysSeek(wxFileOffset WXUNUSED(seek), wxSeekMode WXUNUSED(mode)) { - return (wxFileOffset) wxInvalidOffset; + return wxInvalidOffset; } wxFileOffset wxStreamBase::OnSysTell() const { - return (wxFileOffset) wxInvalidOffset; + return wxInvalidOffset; } // ---------------------------------------------------------------------------- @@ -889,7 +895,7 @@ wxFileOffset wxInputStream::SeekI(wxFileOffset pos, wxSeekMode mode) wxFileOffset wxInputStream::TellI() const { - wxFileSize_t pos = OnSysTell(); + wxFileOffset pos = OnSysTell(); if (pos != wxInvalidOffset) pos -= (m_wbacksize - m_wbackcur); @@ -957,7 +963,7 @@ wxCountingOutputStream::wxCountingOutputStream () m_currentPos = 0; } -size_t wxCountingOutputStream::GetSize() const +wxFileOffset wxCountingOutputStream::GetLength() const { return m_lastcount; } @@ -990,7 +996,7 @@ wxFileOffset wxCountingOutputStream::OnSysSeek(wxFileOffset pos, wxSeekMode mode default: wxFAIL_MSG( _T("invalid seek mode") ); - return (wxFileOffset) wxInvalidOffset; + return wxInvalidOffset; } if (m_currentPos > m_lastcount) @@ -1122,7 +1128,7 @@ wxFileOffset wxBufferedInputStream::SeekI(wxFileOffset pos, wxSeekMode mode) wxFileOffset wxBufferedInputStream::TellI() const { - wxFileSize_t pos = m_i_streambuf->Tell(); + wxFileOffset pos = m_i_streambuf->Tell(); if (pos != wxInvalidOffset) pos -= (m_wbacksize - m_wbackcur); @@ -1179,6 +1185,13 @@ wxBufferedOutputStream::~wxBufferedOutputStream() delete m_o_streambuf; } +bool wxBufferedOutputStream::Close() +{ + Sync(); + return IsOk(); +} + + wxOutputStream& wxBufferedOutputStream::Write(const void *buffer, size_t size) { m_lastcount = 0; @@ -1218,9 +1231,9 @@ wxFileOffset wxBufferedOutputStream::OnSysTell() const return m_parent_o_stream->TellO(); } -size_t wxBufferedOutputStream::GetSize() const +wxFileOffset wxBufferedOutputStream::GetLength() const { - return m_parent_o_stream->GetSize() + m_o_streambuf->GetIntPosition(); + return m_parent_o_stream->GetLength() + m_o_streambuf->GetIntPosition(); } void wxBufferedOutputStream::SetOutputStreamBuffer(wxStreamBuffer *buffer)