From 8d8b77b5630d171e136acf3a8c3a06646be66c9b Mon Sep 17 00:00:00 2001
From: Michael Ow <mow@svn.icu-project.org>
Date: Fri, 6 Jun 2008 18:44:54 +0000
Subject: [PATCH] ICU-5955 Add deleter for TimeZoneRule.

X-SVN-Rev: 24116
---
 icu4c/source/i18n/vtzone.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/icu4c/source/i18n/vtzone.cpp b/icu4c/source/i18n/vtzone.cpp
index 5d65a3131b7..de37e2e068c 100644
--- a/icu4c/source/i18n/vtzone.cpp
+++ b/icu4c/source/i18n/vtzone.cpp
@@ -20,6 +20,14 @@
 
 U_NAMESPACE_BEGIN
 
+// This is the deleter that will be use to remove TimeZoneRule
+U_CDECL_BEGIN
+static void U_CALLCONV
+deleteTimeZoneRule(void* obj) {
+    delete (TimeZoneRule*) obj;
+}
+U_CDECL_END
+
 // Smybol characters used by RFC2445 VTIMEZONE
 static const UChar COLON = 0x3A; /* : */
 static const UChar SEMICOLON = 0x3B; /* ; */
@@ -1335,6 +1343,9 @@ VTimeZone::parse(UErrorCode& status) {
     if (U_FAILURE(status)) {
         goto cleanupParse;
     }
+     // Set the deleter to remove TimeZoneRule vectors to avoid memory leaks due to unowned TimeZoneRules.
+    rules->setDeleter(deleteTimeZoneRule);
+    
     dates = new UVector(uhash_deleteUnicodeString, uhash_compareUnicodeString, status);
     if (U_FAILURE(status)) {
         goto cleanupParse;