improved memory liberation (explicitly set to NULL after delete)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15933 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2002-06-23 17:22:54 +00:00
parent d208e6412a
commit f5bb225133
20 changed files with 140 additions and 80 deletions
--- a/src/mac/timer.cpp
+++ b/src/mac/timer.cpp
@@ -92,8 +92,10 @@ bool wxTimer::IsRunning() const
 wxTimer::~wxTimer()
 {
    Stop();
-    delete m_info ;
-    m_info = NULL ;
+    if (m_info != NULL) {
+        delete m_info ;
+        m_info = NULL ;
+    }
    int index = gTimersInProcess.Index( this ) ;
    if ( index != wxNOT_FOUND )
        gTimersInProcess.RemoveAt( index ) ;