[tor-commits] [vidalia/alpha] fix possible crash in MessageLog widget at Vidalia exit

[chiiph at torproject.org]

commit e07c8f3d866cf52f259b6693224cf61dc4047296
Author: Sebastian Baginski <sebthestampede at gmail.com>
Date:   Sun Apr 29 11:20:06 2012 +0200

    fix possible crash in MessageLog widget at Vidalia exit
---
 changes/bug5690              |    3 +++
 src/vidalia/log/MessageLog.h |    2 +-
 2 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/changes/bug5690 b/changes/bug5690
new file mode 100644
index 0000000..a958e6b
--- /dev/null
+++ b/changes/bug5690
@@ -0,0 +1,3 @@
+  Internal cleanups and improvements:
+  o Fix possible dangling pointer access in MessageLog at
+    Vidalia exit. Fixes bug 5690.
diff --git a/src/vidalia/log/MessageLog.h b/src/vidalia/log/MessageLog.h
index 1d48045..6595eea 100644
--- a/src/vidalia/log/MessageLog.h
+++ b/src/vidalia/log/MessageLog.h
@@ -96,7 +96,7 @@ private:
   /** The log file used to store log messages. */
   LogFile _logFile;
 
-  QStatusBar *_statusBar;
+  QPointer<QStatusBar> _statusBar;
 
   /** Qt Designer generatated QObject **/
   Ui::MessageLog ui;