Backed-out PNG8 patch (no time to look at why

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

diff --git a/src/common/config.cpp b/src/common/config.cpp
index c75528c66e74f109f6bea39bec423f18559a7a0a..f2d95677a4497c200be971ab2d89089f15b24a6c 100644 (file)
--- a/src/common/config.cpp
+++ b/src/common/config.cpp
@@ -240,15 +240,32 @@ wxConfigPathChanger::wxConfigPathChanger(const wxConfigBase *pContainer,
     strPath = wxCONFIG_PATH_SEPARATOR;
   }
 
     strPath = wxCONFIG_PATH_SEPARATOR;
   }
 

-  if ( !strPath.IsEmpty() && m_pContainer->GetPath() != strPath ) {
-    // do change the path
-    m_bChanged = true;
+  if ( !strPath.IsEmpty() )
+  {
+    if ( m_pContainer->GetPath() != strPath )
+    {
+        // do change the path
+        m_bChanged = true;
+
+        /* JACS: work around a memory bug that causes an assert
+           when using wxRegConfig, related to reference-counting.
+           Can be reproduced by removing (const wxChar*) below and
+           adding the following code to the config sample OnInit under
+           Windows:
+
+           pConfig->SetPath(wxT("MySettings"));
+           pConfig->SetPath(wxT(".."));
+           int value;
+           pConfig->Read(_T("MainWindowX"), & value);
+        */
+        m_strOldPath = (const wxChar*) 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_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
   }
   else {
     // it's a name only, without path - nothing to do


@@ -379,7 +396,8 @@ wxString wxExpandEnvVars(const wxString& str)
 
       case '\\':
         // backslash can be used to suppress special meaning of % and $
 
       case '\\':
         // backslash can be used to suppress special meaning of % and $

-        if ( n != str.Len() && (str[n + 1] == wxT('%') || str[n + 1] == wxT('$')) ) {
+        if ( n != str.Len() - 1 &&
+                (str[n + 1] == wxT('%') || str[n + 1] == wxT('$')) ) {

           strResult += str[++n];
 
           break;
           strResult += str[++n];
 
           break;