open registry keys in read-only mode as we might not have the rights for full access...

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

diff --git a/src/common/wfstream.cpp b/src/common/wfstream.cpp
index 2b2e68dc6f674910d27a02a70987871492993f1a..296f205b2e3b1f4c703c590e960d29d6302a1e5e 100644 (file)
--- a/src/common/wfstream.cpp
+++ b/src/common/wfstream.cpp
@@ -6,10 +6,10 @@
 // Created:     11/07/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Guilhem Lavaux
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "wfstream.h"
 #endif
 
@@ -71,19 +71,23 @@ size_t wxFileInputStream::OnSysRead(void *buffer, size_t size)
 {
     off_t ret = m_file->Read(buffer, size);
 
-    switch ( ret )
-    {
-        case 0:
-            m_lasterror = wxSTREAM_EOF;
-            break;
-
-        case wxInvalidOffset:
-            m_lasterror = wxSTREAM_READ_ERROR;
-            ret = 0;
-            break;
+    // 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)
 
-        default:
-            m_lasterror = wxSTREAM_NO_ERROR;
+    if ( !ret )
+    {
+        // nothing read, so nothing more to read
+        m_lasterror = wxSTREAM_EOF;
+    }
+    else if ( ret == wxInvalidOffset )
+    {
+        m_lasterror = wxSTREAM_READ_ERROR;
+        ret = 0;
+    }
+    else
+    {
+        // normal case
+        m_lasterror = wxSTREAM_NO_ERROR;
     }
 
     return ret;
@@ -194,7 +198,7 @@ wxFileStream::wxFileStream(const wxString& fileName)
 wxFFileInputStream::wxFFileInputStream(const wxString& fileName)
   : wxInputStream()
 {
-    m_file = new wxFFile(fileName, "rb");
+    m_file = new wxFFile(fileName, _T("rb"));
     m_file_destroy = TRUE;
 }
 
@@ -235,10 +239,10 @@ size_t wxFFileInputStream::OnSysRead(void *buffer, size_t size)
     ret = m_file->Read(buffer, size);
 
     if (m_file->Eof())
-        m_lasterror = wxStream_EOF;
+        m_lasterror = wxSTREAM_EOF;
     if (ret == wxInvalidOffset)
     {
-        m_lasterror = wxStream_READ_ERR;
+        m_lasterror = wxSTREAM_READ_ERROR;
         ret = 0;
     }
 
@@ -247,7 +251,13 @@ size_t wxFFileInputStream::OnSysRead(void *buffer, size_t size)
 
 off_t wxFFileInputStream::OnSysSeek(off_t pos, wxSeekMode mode)
 {
-    return ( m_file->Seek(pos, mode) ? pos : wxInvalidOffset );
+#ifdef __VMS
+#pragma message disable intsignchange
+#endif
+   return ( m_file->Seek(pos, mode) ? m_file->Tell() : wxInvalidOffset );
+#ifdef __VMS
+#pragma message enable intsignchange
+#endif
 }
 
 off_t wxFFileInputStream::OnSysTell() const
@@ -261,7 +271,7 @@ off_t wxFFileInputStream::OnSysTell() const
 
 wxFFileOutputStream::wxFFileOutputStream(const wxString& fileName)
 {
-    m_file = new wxFFile(fileName, "w+b");
+    m_file = new wxFFile(fileName, _T("w+b"));
     m_file_destroy = TRUE;
 
     if (!m_file->IsOpened())
@@ -307,9 +317,9 @@ size_t wxFFileOutputStream::OnSysWrite(const void *buffer, size_t size)
 {
     size_t ret = m_file->Write(buffer, size);
     if (m_file->Error())
-        m_lasterror = wxStream_WRITE_ERR;
+        m_lasterror = wxSTREAM_WRITE_ERROR;
     else
-        m_lasterror = wxStream_NOERROR;
+        m_lasterror = wxSTREAM_NO_ERROR;
     return ret;
 }
 
@@ -320,7 +330,13 @@ off_t wxFFileOutputStream::OnSysTell() const
 
 off_t wxFFileOutputStream::OnSysSeek(off_t pos, wxSeekMode mode)
 {
-    return ( m_file->Seek(pos, mode) ? pos : wxInvalidOffset );
+#ifdef __VMS
+#pragma message disable intsignchange
+#endif
+    return ( m_file->Seek(pos, mode) ? m_file->Tell() : wxInvalidOffset );
+#ifdef __VMS
+#pragma message enable intsignchange
+#endif
 }
 
 void wxFFileOutputStream::Sync()