Bug 26622 nsAutoString use as member variables should be reviewed (mailnews patch). Original Patch by Mikael Parknert <mikael@parknert.se>, updated by me. r=neil.parkwaycc.co.uk,sr=bienvenu

mailnews/base/src/nsMessengerWinIntegration.h

@@ -143,8 +143,8 @@ private:
   char *mInboxURI;
   char *mEmail;
 
-  nsAutoString mAppName;      
-  nsAutoString mEmailPrefix;  
+  nsString  mAppName;
+  nsString  mEmailPrefix;
   nsCString mShellDllPath;
 
 #ifdef MOZ_THUNDERBIRD

mailnews/compose/src/nsSmtpService.h

@@ -87,7 +87,7 @@ private:
     nsCOMPtr<nsISmtpServer> mDefaultSmtpServer;
     nsCOMPtr<nsISmtpServer> mSessionDefaultServer;
 
-    nsCAutoString mServerKeyList;
+    nsCString mServerKeyList;
 
     PRBool mSmtpServersLoaded;
 };

mailnews/imap/src/nsImapProtocol.h

@@ -341,7 +341,7 @@ private:
   PRUint32              m_allocatedSize; // allocated size
   PRUint32        m_totalDataSize; // total data size
   PRUint32        m_curReadIndex;  // current read index
-  nsCAutoString   m_trashFolderName;
+  nsCString       m_trashFolderName;
   
   // Ouput stream for writing commands to the socket
   nsCOMPtr<nsISocketTransport>  m_transport; 

mailnews/mapi/mapihook/src/nsMapiRegistryUtils.cpp

@@ -84,7 +84,7 @@ const char * nsMapiRegistryUtils::thisApplication()
     return m_thisApp.get() ;
 }
 
-void nsMapiRegistryUtils::getVarValue(const PRUnichar * varName, nsAutoString & result)
+void nsMapiRegistryUtils::getVarValue(const PRUnichar * varName, nsXPIDLString & result)
 {
     nsresult rv;
     nsCOMPtr<nsIStringBundleService> bundleService(do_GetService(
@@ -95,12 +95,9 @@ void nsMapiRegistryUtils::getVarValue(const PRUnichar * varName, nsAutoString &
                     "chrome://branding/locale/brand.properties",
                     getter_AddRefs(brandBundle));
         if (NS_SUCCEEDED(rv)) {
-            nsXPIDLString value;
-            rv = brandBundle->GetStringFromName(
+            brandBundle->GetStringFromName(
                        varName,
-                       getter_Copies(value));
-            if (NS_SUCCEEDED(rv))
-                result = value;
+                       getter_Copies(result));
         }
     }
 }
@@ -788,7 +785,7 @@ nsresult nsMapiRegistryUtils::registerMailApp(PRBool aForceRegistration)
           appKeyName.Assign(keyName);
           appKeyName.AppendLiteral("\\shell\\properties");
 
-          nsAutoString brandShortName;
+          nsXPIDLString brandShortName;
           getVarValue(NS_LITERAL_STRING("brandShortName").get(), brandShortName);
 
           const PRUnichar* brandNameStrings[] = { brandShortName.get() };

mailnews/mapi/mapihook/src/nsMapiRegistryUtils.h

@@ -55,15 +55,14 @@
 class nsMapiRegistryUtils
 {
 private :
-    nsCAutoString m_thisApp ;
-    nsAutoString m_brand ;
-    nsAutoString m_vendor ;
-    nsAutoString m_versionNo ;
+    nsCString m_thisApp;
+    nsXPIDLString m_brand;
+    nsXPIDLString m_vendor;
 
     nsCOMPtr<nsIStringBundle> m_mapiStringBundle ;
 
     // sets result to the value of varName (as defined in brand.properties)
-    void getVarValue(const PRUnichar * varName, nsAutoString & result);
+    void getVarValue(const PRUnichar * varName, nsXPIDLString & result);
 
     // verifyRestrictedAccess - Returns PR_TRUE if this user only has restricted access
     // to the registry keys we need to modify. Consumers should call the public method