Unused warning fix.

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

diff --git a/src/common/config.cpp b/src/common/config.cpp
index 2e8372db9366eb0ae3cbfdee29a6ae899d9e60ff..4cc55702a7926d31e046647e3c4587ff6ed33cd8 100644 (file)
--- a/src/common/config.cpp
+++ b/src/common/config.cpp
@@ -75,6 +75,7 @@ wxConfigBase::wxConfigBase(const wxString& appName,
 
 wxConfigBase::~wxConfigBase()
 {
+    // required here for Darwin
 }
 
 wxConfigBase *wxConfigBase::Set(wxConfigBase *pConfig)
@@ -239,15 +240,20 @@ wxConfigPathChanger::wxConfigPathChanger(const wxConfigBase *pContainer,
     strPath = wxCONFIG_PATH_SEPARATOR;
   }
 
-  if ( !strPath.IsEmpty() ) {
-    // do change the path
-    m_bChanged = true;
+  if ( !strPath.IsEmpty() )
+  {
+    if ( m_pContainer->GetPath() != strPath )
+    {
+        // do change the path
+        m_bChanged = true;
+        m_strOldPath = m_pContainer->GetPath();
+        if ( *m_strOldPath.c_str() != wxCONFIG_PATH_SEPARATOR )
+          m_strOldPath += wxCONFIG_PATH_SEPARATOR;
+        m_pContainer->SetPath(strPath);
+    }
+
+    // in any case, use the just the name, not full path
     m_strName = strEntry.AfterLast(wxCONFIG_PATH_SEPARATOR);
-    m_strOldPath = m_pContainer->GetPath();
-    if ( m_strOldPath.Len() == 0 ||
-         m_strOldPath.Last() != wxCONFIG_PATH_SEPARATOR )
-        m_strOldPath += wxCONFIG_PATH_SEPARATOR;
-    m_pContainer->SetPath(strPath);
   }
   else {
     // it's a name only, without path - nothing to do
@@ -352,7 +358,7 @@ wxString wxExpandEnvVars(const wxString& str)
 
           // check the closing bracket
           if ( bracket != Bracket_None ) {
-            if ( m == str.Len() || str[m] != (char)bracket ) {
+            if ( m == str.Len() || str[m] != (wxChar)bracket ) {
               // under MSW it's common to have '%' characters in the registry
               // and it's annoying to have warnings about them each time, so
               // ignroe them silently if they are not used for env vars