Added wxDC::GetPartialTextExtents

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

diff --git a/src/common/ffile.cpp b/src/common/ffile.cpp
index 4e1aea21ecce0669d15c8a441479fc8fd558b9cb..503e5bfa0d886350b3109fc2386bcac90209a2a6 100644 (file)
--- a/src/common/ffile.cpp
+++ b/src/common/ffile.cpp
@@ -1,12 +1,12 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        ffile.cpp
 /////////////////////////////////////////////////////////////////////////////
 // Name:        ffile.cpp

-// Purpose:     wxFFile - encapsulates "FILE *" IO stream
+// Purpose:     wxFFile encapsulates "FILE *" IO stream

 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     14.07.99
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     14.07.99
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "ffile.h"
 #endif
 
     #pragma implementation "ffile.h"
 #endif
 


@@ -28,7 +28,7 @@
   #pragma hdrstop
 #endif
 
   #pragma hdrstop
 #endif
 

-#if wxUSE_FILE
+#if wxUSE_FFILE

 
 #ifndef WX_PRECOMP
     #include "wx/intl.h"
 
 #ifndef WX_PRECOMP
     #include "wx/intl.h"


@@ -45,18 +45,18 @@
 // opening the file
 // ----------------------------------------------------------------------------
 
 // opening the file
 // ----------------------------------------------------------------------------
 

-wxFFile::wxFFile(const wxChar *filename, const char *mode)
+wxFFile::wxFFile(const wxChar *filename, const wxChar *mode)

 {
     Detach();
 
     (void)Open(filename, mode);
 }
 
 {
     Detach();
 
     (void)Open(filename, mode);
 }
 

-bool wxFFile::Open(const wxChar *filename, const char *mode)
+bool wxFFile::Open(const wxChar *filename, const wxChar *mode)

 {
 {

-    wxASSERT_MSG( !m_fp, _T("should close or detach the old file first") );
+    wxASSERT_MSG( !m_fp, wxT("should close or detach the old file first") );

 
 

-    m_fp = fopen(filename, mode);
+    m_fp = wxFopen(filename, mode);

 
     if ( !m_fp )
     {
 
     if ( !m_fp )
     {


@@ -74,7 +74,7 @@ bool wxFFile::Close()
 {
     if ( IsOpened() )
     {
 {
     if ( IsOpened() )
     {

-        if ( !fclose(m_fp) )
+        if ( fclose(m_fp) != 0 )

         {
             wxLogSysError(_("can't close file '%s'"), m_name.c_str());
 
         {
             wxLogSysError(_("can't close file '%s'"), m_name.c_str());
 


@@ -93,8 +93,8 @@ bool wxFFile::Close()
 
 bool wxFFile::ReadAll(wxString *str)
 {
 
 bool wxFFile::ReadAll(wxString *str)
 {

-    wxCHECK_MSG( str, FALSE, _T("invalid parameter") );
-    wxCHECK_MSG( IsOpened(), FALSE, _T("can't read from closed file") );
+    wxCHECK_MSG( str, FALSE, wxT("invalid parameter") );
+    wxCHECK_MSG( IsOpened(), FALSE, wxT("can't read from closed file") );

 
     clearerr(m_fp);
 
 
     clearerr(m_fp);
 


@@ -123,8 +123,8 @@ bool wxFFile::ReadAll(wxString *str)
 
 size_t wxFFile::Read(void *pBuf, size_t nCount)
 {
 
 size_t wxFFile::Read(void *pBuf, size_t nCount)
 {

-    wxCHECK_MSG( pBuf, FALSE, _T("invalid parameter") );
-    wxCHECK_MSG( IsOpened(), FALSE, _T("can't read from closed file") );
+    wxCHECK_MSG( pBuf, FALSE, wxT("invalid parameter") );
+    wxCHECK_MSG( IsOpened(), FALSE, wxT("can't read from closed file") );

 
     size_t nRead = fread(pBuf, 1, nCount, m_fp);
     if ( (nRead < nCount) && Error() )
 
     size_t nRead = fread(pBuf, 1, nCount, m_fp);
     if ( (nRead < nCount) && Error() )


@@ -137,8 +137,8 @@ size_t wxFFile::Read(void *pBuf, size_t nCount)
 
 size_t wxFFile::Write(const void *pBuf, size_t nCount)
 {
 
 size_t wxFFile::Write(const void *pBuf, size_t nCount)
 {

-    wxCHECK_MSG( pBuf, FALSE, _T("invalid parameter") );
-    wxCHECK_MSG( IsOpened(), FALSE, _T("can't write to closed file") );
+    wxCHECK_MSG( pBuf, FALSE, wxT("invalid parameter") );
+    wxCHECK_MSG( IsOpened(), FALSE, wxT("can't write to closed file") );

 
     size_t nWritten = fwrite(pBuf, 1, nCount, m_fp);
     if ( nWritten < nCount )
 
     size_t nWritten = fwrite(pBuf, 1, nCount, m_fp);
     if ( nWritten < nCount )


@@ -153,7 +153,9 @@ bool wxFFile::Flush()
 {
     if ( IsOpened() )
     {
 {
     if ( IsOpened() )
     {

-        if ( !fflush(m_fp) )
+        // fflush returns non-zero on error
+        //
+        if ( fflush(m_fp) )

         {
             wxLogSysError(_("failed to flush the file '%s'"), m_name.c_str());
 
         {
             wxLogSysError(_("failed to flush the file '%s'"), m_name.c_str());
 


@@ -170,13 +172,13 @@ bool wxFFile::Flush()
 
 bool wxFFile::Seek(long ofs, wxSeekMode mode)
 {
 
 bool wxFFile::Seek(long ofs, wxSeekMode mode)
 {

-    wxCHECK_MSG( IsOpened(), FALSE, _T("can't seek on closed file") );
+    wxCHECK_MSG( IsOpened(), FALSE, wxT("can't seek on closed file") );

 
     int origin;
     switch ( mode )
     {
         default:
 
     int origin;
     switch ( mode )
     {
         default:

-            wxFAIL_MSG(_T("unknown seek mode"));
+            wxFAIL_MSG(wxT("unknown seek mode"));

             // still fall through
 
         case wxFromStart:
             // still fall through
 
         case wxFromStart:


@@ -204,6 +206,9 @@ bool wxFFile::Seek(long ofs, wxSeekMode mode)
 
 size_t wxFFile::Tell() const
 {
 
 size_t wxFFile::Tell() const
 {

+    wxCHECK_MSG( IsOpened(), (size_t)-1,
+                 _T("wxFFile::Tell(): file is closed!") );
+

     long rc = ftell(m_fp);
     if ( rc == -1 )
     {
     long rc = ftell(m_fp);
     if ( rc == -1 )
     {


@@ -216,6 +221,9 @@ size_t wxFFile::Tell() const
 
 size_t wxFFile::Length() const
 {
 
 size_t wxFFile::Length() const
 {

+    wxCHECK_MSG( IsOpened(), (size_t)-1,
+                 _T("wxFFile::Length(): file is closed!") );
+

     wxFFile& self = *(wxFFile *)this;   // const_cast
 
     size_t posOld = Tell();
     wxFFile& self = *(wxFFile *)this;   // const_cast
 
     size_t posOld = Tell();


@@ -234,4 +242,4 @@ size_t wxFFile::Length() const
     return (size_t)-1;
 }
 
     return (size_t)-1;
 }
 

-#endif // wxUSE_FILE
+#endif // wxUSE_FFILE