1. corrections for compilation of the wxBase apps with wxApp

2. wxCAL_NO_MONTH/YEAR_CHANGE styles implemented, cosmetic corrections
3. attempt at BC++ compilation fix


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5203 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/utilscmn.cpp

@@ -1040,3 +1040,37 @@ wxString wxGetHomeDir()
 
     return home;
 }
+
+#if 0
+
+wxString wxGetCurrentDir()
+{
+    wxString dir;
+    size_t len = 1024;
+    bool ok;
+    do
+    {
+        ok = getcwd(dir.GetWriteBuf(len + 1), len) != NULL;
+        dir.UngetWriteBuf();
+
+        if ( !ok )
+        {
+            if ( errno != ERANGE )
+            {
+                wxLogSysError(_T("Failed to get current directory"));
+
+                return wxEmptyString;
+            }
+            else
+            {
+                // buffer was too small, retry with a larger one
+                len *= 2;
+            }
+        }
+        //else: ok
+    } while ( !ok );
+
+    return dir;
+}
+
+#endif // 0