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Code Issues 95 Packages Projects Releases 10 Wiki Activity

Reduce leaking (a little) on the workaround for NSFetchRequest.affectedStores ARC bug

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John Estropia
2016-09-27 17:31:08 +09:00
parent 4d2ebe4ea8
commit ed8c7b35e8
8 changed files with 91 additions and 69 deletions
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25
Sources/ObjectiveC/CoreStoreBridge.m
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@@ -223,16 +223,35 @@ CSWhere *_Nonnull CSWherePredicate(NSPredicate *_Nonnull predicate) CORESTORE_RE
#pragma mark CoreStoreFetchRequest
@interface _CSFetchRequest ()
@property (nullable, nonatomic, copy) NSArray<NSPersistentStore *> *safeAffectedStores;
@property (nullable, nonatomic, assign) CFArrayRef releaseArray;
@end
@implementation _CSFetchRequest
- (NSArray<NSPersistentStore *> *)affectedStores {
// MARK: NSFetchRequest
- (void)setAffectedStores:(NSArray<NSPersistentStore *> *_Nullable)affectedStores {
// Bugfix for NSFetchRequest messing up memory management for `affectedStores`
// http://stackoverflow.com/questions/14396375/nsfetchedresultscontroller-crashes-in-ios-6-if-affectedstores-is-specified
CFBridgingRetain([super affectedStores]);
return [super affectedStores];
if (NSFoundationVersionNumber < NSFoundationVersionNumber10_0) {
self.safeAffectedStores = affectedStores;
[super setAffectedStores:affectedStores];
return;
}
if (self.releaseArray != NULL) {
CFRelease(self.releaseArray);
self.releaseArray = NULL;
}
self.safeAffectedStores = affectedStores;
[super setAffectedStores:affectedStores];
self.releaseArray = CFBridgingRetain([super affectedStores]);
}
@end