From 4d60fa4dc31186fff961c0a2e9c0eb01ac4226c8 Mon Sep 17 00:00:00 2001
From: Wolfgang Sourdeau <wsourdeau@inverse.ca>
Date: Tue, 20 Mar 2012 18:47:05 +0000
Subject: [PATCH] Monotone-Parent: cbe26077e3038a934e225a1903e28b89cf90c61d
 Monotone-Revision: cbef49b9665bb4860d576825ae411fd212ee0d08

Monotone-Author: wsourdeau@inverse.ca
Monotone-Date: 2012-03-20T18:47:05
Monotone-Branch: ca.inverse.sogo
---
 ChangeLog                     |  3 +++
 OpenChange/NSDate+MAPIStore.h |  2 ++
 OpenChange/NSDate+MAPIStore.m | 13 +++++++++++++
 3 files changed, 18 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 8f9d93bb1..6e915207a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2012-03-20  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
 
+	* OpenChange/NSDate+MAPIStore.m (-isNever): new accessor for dates
+	occurring in 4500.
+
 	* OpenChange/MAPIStoreTypes.m (MAPIChangeKeyGUIDCompare): NSData
 	arguments passed as "id" due to the pickiness of some versions of
 	gcc.
diff --git a/OpenChange/NSDate+MAPIStore.h b/OpenChange/NSDate+MAPIStore.h
index a36fb5e16..3c7809f79 100644
--- a/OpenChange/NSDate+MAPIStore.h
+++ b/OpenChange/NSDate+MAPIStore.h
@@ -33,6 +33,8 @@
 + (id) dateFromFileTime: (const struct FILETIME *) timeValue;
 - (struct FILETIME *) asFileTimeInMemCtx: (void *) memCtx;
 
+- (BOOL) isNever; /* occurs on 4500-12-31 */
+
 @end
 
 #endif /* NSCALENDARDATE+MAPISTORE_H */
diff --git a/OpenChange/NSDate+MAPIStore.m b/OpenChange/NSDate+MAPIStore.m
index d36ff6729..1c09fd0a2 100644
--- a/OpenChange/NSDate+MAPIStore.m
+++ b/OpenChange/NSDate+MAPIStore.m
@@ -114,4 +114,17 @@ _setupRefDate ()
   return timeValue;
 }
 
+- (BOOL) isNever /* occurs on 4500-12-31 */
+{
+  NSCalendarDate *calDate;
+
+  if ([self isKindOfClass: [NSCalendarDate class]])
+    calDate = (NSCalendarDate *) self;
+  else
+    calDate = [NSCalendarDate dateWithTimeIntervalSince1970:
+                                [self timeIntervalSince1970]];
+
+  return [calDate yearOfCommonEra] == 4500;
+}
+
 @end