check for self assignment in operator=

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62762 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2009-12-02 16:36:50 +00:00
parent 46b8d15a67
commit 2a32b8071b
3 changed files with 13 additions and 8 deletions
--- a/include/wx/private/sckaddr.h
+++ b/include/wx/private/sckaddr.h
@@ -137,10 +137,11 @@ public:

    wxSockAddressImpl& operator=(const wxSockAddressImpl& other)
    {
-        free(m_addr);
-
-        InitFromOther(other);
-
+        if (this != &other)
+        {
+            free(m_addr);
+            InitFromOther(other);
+        }
        return *this;
    }