added MSWGetDefaultBgBrush() to allow some derived classes to use transparent brush...

[wxWidgets.git] / src / common / wfstream.cpp

diff --git a/src/common/wfstream.cpp b/src/common/wfstream.cpp
index a1f66f76b9e2d696a9209cffad932a07b604d62e..f66055242625c8bd543934fd3277220c5f665c78 100644 (file)
--- a/src/common/wfstream.cpp
+++ b/src/common/wfstream.cpp
@@ -62,17 +62,17 @@ wxFileInputStream::~wxFileInputStream()
         delete m_file;
 }
 
-size_t wxFileInputStream::GetSize() const
+wxFileOffset wxFileInputStream::GetLength() const
 {
     return m_file->Length();
 }
 
 size_t wxFileInputStream::OnSysRead(void *buffer, size_t size)
 {
-    off_t ret = m_file->Read(buffer, size);
+    ssize_t ret = m_file->Read(buffer, size);
 
     // NB: we can't use a switch here because HP-UX CC doesn't allow
-    //     switching over long long (which off_t is in 64bit mode)
+    //     switching over long long (which size_t is in 64bit mode)
 
     if ( !ret )
     {
@@ -93,12 +93,12 @@ size_t wxFileInputStream::OnSysRead(void *buffer, size_t size)
     return ret;
 }
 
-off_t wxFileInputStream::OnSysSeek(off_t pos, wxSeekMode mode)
+wxFileOffset wxFileInputStream::OnSysSeek(wxFileOffset pos, wxSeekMode mode)
 {
     return m_file->Seek(pos, mode);
 }
 
-off_t wxFileInputStream::OnSysTell() const
+wxFileOffset wxFileInputStream::OnSysTell() const
 {
     return m_file->Tell();
 }
@@ -160,12 +160,12 @@ size_t wxFileOutputStream::OnSysWrite(const void *buffer, size_t size)
     return ret;
 }
 
-off_t wxFileOutputStream::OnSysTell() const
+wxFileOffset wxFileOutputStream::OnSysTell() const
 {
     return m_file->Tell();
 }
 
-off_t wxFileOutputStream::OnSysSeek(off_t pos, wxSeekMode mode)
+wxFileOffset wxFileOutputStream::OnSysSeek(wxFileOffset pos, wxSeekMode mode)
 {
     return m_file->Seek(pos, mode);
 }
@@ -176,7 +176,7 @@ void wxFileOutputStream::Sync()
     m_file->Flush();
 }
 
-size_t wxFileOutputStream::GetSize() const
+wxFileOffset wxFileOutputStream::GetLength() const
 {
     return m_file->Length();
 }
@@ -227,18 +227,17 @@ wxFFileInputStream::~wxFFileInputStream()
         delete m_file;
 }
 
-size_t wxFFileInputStream::GetSize() const
+wxFileOffset wxFFileInputStream::GetLength() const
 {
     return m_file->Length();
 }
 
 size_t wxFFileInputStream::OnSysRead(void *buffer, size_t size)
 {
-    off_t ret;
+    ssize_t ret = m_file->Read(buffer, size);
 
-    ret = m_file->Read(buffer, size);
-
-    if (m_file->Eof())
+    // It is not safe to call Eof() if the file is not opened.
+    if (!m_file->IsOpened() || m_file->Eof())
         m_lasterror = wxSTREAM_EOF;
     if (ret == wxInvalidOffset)
     {
@@ -249,18 +248,12 @@ size_t wxFFileInputStream::OnSysRead(void *buffer, size_t size)
     return ret;
 }
 
-off_t wxFFileInputStream::OnSysSeek(off_t pos, wxSeekMode mode)
+wxFileOffset wxFFileInputStream::OnSysSeek(wxFileOffset pos, wxSeekMode mode)
 {
-#ifdef __VMS
-#pragma message disable intsignchange
-#endif
-   return ( m_file->Seek(pos, mode) ? m_file->Tell() : wxInvalidOffset );
-#ifdef __VMS
-#pragma message enable intsignchange
-#endif
+    return m_file->Seek(pos, mode) ? m_file->Tell() : wxInvalidOffset;
 }
 
-off_t wxFFileInputStream::OnSysTell() const
+wxFileOffset wxFFileInputStream::OnSysTell() const
 {
     return m_file->Tell();
 }
@@ -316,27 +309,22 @@ wxFFileOutputStream::~wxFFileOutputStream()
 size_t wxFFileOutputStream::OnSysWrite(const void *buffer, size_t size)
 {
     size_t ret = m_file->Write(buffer, size);
-    if (m_file->Error())
+    // It is not safe to call Error() if the file is not opened.
+    if (!m_file->IsOpened() || m_file->Error())
         m_lasterror = wxSTREAM_WRITE_ERROR;
     else
         m_lasterror = wxSTREAM_NO_ERROR;
     return ret;
 }
 
-off_t wxFFileOutputStream::OnSysTell() const
+wxFileOffset wxFFileOutputStream::OnSysTell() const
 {
     return m_file->Tell();
 }
 
-off_t wxFFileOutputStream::OnSysSeek(off_t pos, wxSeekMode mode)
+wxFileOffset wxFFileOutputStream::OnSysSeek(wxFileOffset pos, wxSeekMode mode)
 {
-#ifdef __VMS
-#pragma message disable intsignchange
-#endif
-    return ( m_file->Seek(pos, mode) ? m_file->Tell() : wxInvalidOffset );
-#ifdef __VMS
-#pragma message enable intsignchange
-#endif
+    return m_file->Seek(pos, mode) ? m_file->Tell() : wxInvalidOffset;
 }
 
 void wxFFileOutputStream::Sync()
@@ -345,7 +333,7 @@ void wxFFileOutputStream::Sync()
     m_file->Flush();
 }
 
-size_t wxFFileOutputStream::GetSize() const
+wxFileOffset wxFFileOutputStream::GetLength() const
 {
     return m_file->Length();
 }