Don't use "Cancel" button in the about dialog of the listctrl sample.

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

diff --git a/src/common/filefn.cpp b/src/common/filefn.cpp
index 85a3cad29d8aaa3ddcf54e829612dc1af86b7de7..92ce4c1f64f14aedb710213eef89d31349b1452f 100644 (file)
--- a/src/common/filefn.cpp
+++ b/src/common/filefn.cpp
@@ -842,6 +842,9 @@ wxString wxMacFSRefToPath( const FSRef *fsRef , CFStringRef additionalPathCompon
 {
     CFURLRef fullURLRef;
     fullURLRef = CFURLCreateFromFSRef(NULL, fsRef);
+    if ( fullURLRef == NULL)
+        return wxEmptyString;
+    
     if ( additionalPathComponent )
     {
         CFURLRef parentURLRef = fullURLRef ;
@@ -849,12 +852,10 @@ wxString wxMacFSRefToPath( const FSRef *fsRef , CFStringRef additionalPathCompon
             additionalPathComponent,false);
         CFRelease( parentURLRef ) ;
     }
-    CFStringRef cfString = CFURLCopyFileSystemPath(fullURLRef, kDefaultPathStyle);
+    wxCFStringRef cfString( CFURLCopyFileSystemPath(fullURLRef, kDefaultPathStyle ));
     CFRelease( fullURLRef ) ;
-    CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, cfString);
-    CFRelease( cfString );
-    CFStringNormalize(cfMutableString,kCFStringNormalizationFormC);
-    return wxCFStringRef(cfMutableString).AsString();
+
+    return wxCFStringRef::AsStringWithNormalizationFormC(cfString);
 }
 
 OSStatus wxMacPathToFSRef( const wxString&path , FSRef *fsRef )
@@ -879,13 +880,10 @@ OSStatus wxMacPathToFSRef( const wxString&path , FSRef *fsRef )
 
 wxString wxMacHFSUniStrToString( ConstHFSUniStr255Param uniname )
 {
-    CFStringRef cfname = CFStringCreateWithCharacters( kCFAllocatorDefault,
+    wxCFStringRef cfname( CFStringCreateWithCharacters( kCFAllocatorDefault,
                                                       uniname->unicode,
-                                                      uniname->length );
-    CFMutableStringRef cfMutableString = CFStringCreateMutableCopy(NULL, 0, cfname);
-    CFRelease( cfname );
-    CFStringNormalize(cfMutableString,kCFStringNormalizationFormC);
-    return wxCFStringRef(cfMutableString).AsString() ;
+                                                      uniname->length ) );
+    return wxCFStringRef::AsStringWithNormalizationFormC(cfname);
 }
 
 #ifndef __LP64__
@@ -1357,9 +1355,7 @@ wxString wxFindNextFile()
     wxCHECK_MSG( gs_dir, "", "You must call wxFindFirstFile before!" );
 
     wxString result;
-    gs_dir->GetNext(&result);
-
-    if ( result.empty() )
+    if ( !gs_dir->GetNext(&result) || result.empty() )
     {
         wxDELETE(gs_dir);
         return result;
@@ -1537,7 +1533,7 @@ bool wxSetWorkingDirectory(const wxString& d)
     // No equivalent in WinCE
     wxUnusedVar(d);
 #else
-    success = (SetCurrentDirectory(d.fn_str()) != 0);
+    success = (SetCurrentDirectory(d.t_str()) != 0);
 #endif
 #else
     // Must change drive, too.
@@ -1576,8 +1572,12 @@ wxString wxGetOSDirectory()
 #ifdef __WXWINCE__
     return wxString(wxT("\\Windows"));
 #elif defined(__WINDOWS__) && !defined(__WXMICROWIN__)
-    wxChar buf[256];
-    GetWindowsDirectory(buf, 256);
+    wxChar buf[MAX_PATH];
+    if ( !GetWindowsDirectory(buf, MAX_PATH) )
+    {
+        wxLogLastError(wxS("GetWindowsDirectory"));
+    }
+
     return wxString(buf);
 #elif defined(__WXMAC__) && wxOSX_USE_CARBON
     return wxMacFindFolderNoSeparator(kOnSystemDisk, 'macs', false);
@@ -1765,7 +1765,7 @@ static bool wxCheckWin32Permission(const wxString& path, DWORD access)
     // quoting the MSDN: "To obtain a handle to a directory, call the
     // CreateFile function with the FILE_FLAG_BACKUP_SEMANTICS flag", but this
     // doesn't work under Win9x/ME but then it's not needed there anyhow
-    const DWORD dwAttr = ::GetFileAttributes(path.fn_str());
+    const DWORD dwAttr = ::GetFileAttributes(path.t_str());
     if ( dwAttr == INVALID_FILE_ATTRIBUTES )
     {
         // file probably doesn't exist at all