check for NULL pointer in OnMeasureItem() as well as in OnDrawItem()

[wxWidgets.git] / src / mac / classic / dirmac.cpp

diff --git a/src/mac/classic/dirmac.cpp b/src/mac/classic/dirmac.cpp
index 0afc3b5cb3449184dcb1617631f138ce79d80ad0..10587442a01ffb55e60911557a4ba35f1698497e 100644 (file)
--- a/src/mac/classic/dirmac.cpp
+++ b/src/mac/classic/dirmac.cpp
@@ -34,7 +34,7 @@
 #endif // PCH
 
 #include "wx/dir.h"
-#include "wx/filefn.h"          // for wxPathExists()
+#include "wx/filefn.h"          // for wxDirExists()
 
 #ifndef __DARWIN__
   #include <windows.h>
@@ -77,7 +77,7 @@ public:
     void SetFileSpec(const wxString& filespec) { m_filespec = filespec; }
     void SetFlags(int flags) { m_flags = flags; }
 
-    bool Read(wxString *filename); // reads the next 
+    bool Read(wxString *filename); // reads the next
     void Rewind() ;
 
     const wxString& GetName() const { return m_dirname; }
@@ -109,9 +109,9 @@ wxDirData::wxDirData(const wxString& dirname)
          : m_dirname(dirname)
 {
     m_ok = false;
-    
+
     OSErr err;
-    
+
     // throw away the trailing slashes
     size_t n = m_dirname.length();
     wxCHECK_RET( n, _T("empty dir name in wxDir") );
@@ -120,14 +120,14 @@ wxDirData::wxDirData(const wxString& dirname)
         ;
 
     m_dirname.Truncate(n + 1);
-    
+
 #ifdef __DARWIN__
     FSRef theRef;
 
     // get the FSRef associated with the POSIX path
     err = FSPathMakeRef((const UInt8 *) m_dirname.c_str(), &theRef, NULL);
     FSGetVRefNum(&theRef, &(m_CPB.hFileInfo.ioVRefNum));
-    
+
     err = FSGetNodeID( &theRef , &m_dirId , &m_isDir ) ;
 #else
     FSSpec fsspec ;
@@ -151,7 +151,7 @@ wxDirData::~wxDirData()
 {
 }
 
-void wxDirData::Rewind() 
+void wxDirData::Rewind()
 {
     m_index = 0 ;
 }
@@ -159,12 +159,12 @@ void wxDirData::Rewind()
 bool wxDirData::Read(wxString *filename)
 {
     if ( !m_isDir )
-        return FALSE ;
-        
+        return false ;
+
     wxString result;
 
     short err = noErr ;
-    
+
     while ( err == noErr )
     {
         m_index++ ;
@@ -173,7 +173,7 @@ bool wxDirData::Read(wxString *filename)
         err = PBGetCatInfoSync((CInfoPBPtr)&m_CPB);
         if ( err != noErr )
             break ;
-        
+
         // its hidden but we don't want it
         if ( ( m_CPB.hFileInfo.ioFlFndrInfo.fdFlags & kIsInvisible ) && !(m_flags & wxDIR_HIDDEN) )
             continue ;
@@ -190,13 +190,13 @@ bool wxDirData::Read(wxString *filename)
         //  we have a directory
         if ( ( m_CPB.dirInfo.ioFlAttrib & ioDirMask) != 0 && (m_flags & wxDIR_DIRS) )
             break ;
-        
+
         // its a file but we don't want it
         if ( ( m_CPB.dirInfo.ioFlAttrib & ioDirMask) == 0 && !(m_flags & wxDIR_FILES ) )
             continue ;
-        
+
         wxString file = wxMacMakeStringFromPascal( m_name ) ;
-        if ( m_filespec.IsEmpty() || m_filespec == wxT("*.*") || m_filespec == wxT("*") )
+        if ( m_filespec.empty() || m_filespec == wxT("*.*") || m_filespec == wxT("*") )
         {
         }
         else if ( m_filespec.Length() > 1 && m_filespec.Left(1) == wxT("*") )
@@ -217,17 +217,17 @@ bool wxDirData::Read(wxString *filename)
         {
             continue ;
         }
-        
+
         break ;
     }
     if ( err != noErr )
     {
-        return FALSE ;
+        return false ;
     }
-    
+
     *filename = wxMacMakeStringFromPascal( m_name )  ;
 
-    return TRUE;
+    return true;
 }
 
 // ----------------------------------------------------------------------------
@@ -237,7 +237,7 @@ bool wxDirData::Read(wxString *filename)
 /* static */
 bool wxDir::Exists(const wxString& dir)
 {
-    return wxPathExists(dir);
+    return wxDirExists(dir);
 }
 
 // ----------------------------------------------------------------------------
@@ -256,12 +256,12 @@ bool wxDir::Open(const wxString& dirname)
     delete M_DIR;
     m_data = new wxDirData(dirname);
     if (m_data->Ok())
-        return TRUE;
+        return true;
     else
     {
         delete m_data;
         m_data = NULL;
-        return FALSE;
+        return false;
     }
 }
 
@@ -302,7 +302,7 @@ bool wxDir::GetFirst(wxString *filename,
                      const wxString& filespec,
                      int flags) const
 {
-    wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
+    wxCHECK_MSG( IsOpened(), false, _T("must wxDir::Open() first") );
 
     M_DIR->Rewind();
 
@@ -314,9 +314,9 @@ bool wxDir::GetFirst(wxString *filename,
 
 bool wxDir::GetNext(wxString *filename) const
 {
-    wxCHECK_MSG( IsOpened(), FALSE, _T("must wxDir::Open() first") );
+    wxCHECK_MSG( IsOpened(), false, _T("must wxDir::Open() first") );
 
-    wxCHECK_MSG( filename, FALSE, _T("bad pointer in wxDir::GetNext()") );
+    wxCHECK_MSG( filename, false, _T("bad pointer in wxDir::GetNext()") );
 
     return M_DIR->Read(filename);
 }