X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8907154c1a8a6882c6797d1f16393ddfb23e7f3a..3e822cd8d0bdf04cd2c7a3dddff61dcc211f7439:/src/common/stream.cpp

diff --git a/src/common/stream.cpp b/src/common/stream.cpp
index 8061deeb7b..435b60f266 100644
--- a/src/common/stream.cpp
+++ b/src/common/stream.cpp
@@ -576,7 +576,7 @@ wxFileOffset wxStreamBuffer::Seek(wxFileOffset pos, wxSeekMode mode)
         }
         if (diff < 0 || diff > last_access)
             return wxInvalidOffset;
-        size_t int_diff = (size_t)diff;
+        size_t int_diff = wx_truncate_cast(size_t, diff);
         wxCHECK_MSG( (wxFileOffset)int_diff == diff, wxInvalidOffset, wxT("huge file not supported") );
         SetIntPosition(int_diff);
         return diff;
@@ -603,7 +603,7 @@ wxFileOffset wxStreamBuffer::Seek(wxFileOffset pos, wxSeekMode mode)
             }
             else
             {
-                size_t int_diff = (size_t)diff;
+                size_t int_diff = wx_truncate_cast(size_t, diff);
                 wxCHECK_MSG( (wxFileOffset)int_diff == diff, wxInvalidOffset, wxT("huge file not supported") );
                 SetIntPosition(int_diff);
                 return pos;
@@ -660,7 +660,13 @@ wxStreamBase::~wxStreamBase()
 size_t wxStreamBase::GetSize() const
 {
     wxFileOffset length = GetLength();
-    return length == wxInvalidOffset ? 0 : (size_t)length;
+    if ( length == wxInvalidOffset )
+        return 0;
+
+    const size_t len = wx_truncate_cast(size_t, length);
+    wxASSERT_MSG( len == length + size_t(0), _T("large files not supported") );
+
+    return len;
 }
 
 wxFileOffset wxStreamBase::OnSysSeek(wxFileOffset WXUNUSED(seek), wxSeekMode WXUNUSED(mode))
@@ -673,20 +679,6 @@ wxFileOffset wxStreamBase::OnSysTell() const
     return wxInvalidOffset;
 }
 
-#if WXWIN_COMPATIBILITY_2_2
-
-wxStreamError wxStreamBase::LastError() const
-{
-    return m_lasterror;
-}
-
-size_t wxStreamBase::StreamSize() const
-{
-    return GetSize();
-}
-
-#endif // WXWIN_COMPATIBILITY_2_2
-
 // ----------------------------------------------------------------------------
 // wxInputStream
 // ----------------------------------------------------------------------------
@@ -994,7 +986,7 @@ size_t wxCountingOutputStream::OnSysWrite(const void *WXUNUSED(buffer),
 
 wxFileOffset wxCountingOutputStream::OnSysSeek(wxFileOffset pos, wxSeekMode mode)
 {
-    ssize_t new_pos = (ssize_t)pos;
+    ssize_t new_pos = wx_truncate_cast(ssize_t, pos);
 
     switch ( mode )
     {