ObjFW  Diff

	/* Time zone */
	seconds += -(double)tz * 60;

	return seconds;
}

@implementation OFDateSingleton
- (instancetype)autorelease
{
	return self;
}

OF_SINGLETON_METHODS
- (instancetype)retain
{
	return self;
}

- (void)release
{
}

- (unsigned int)retainCount
{
	return OFMaxRetainCount;
}
@end

@implementation OFDatePlaceholder
#ifdef __clang__
/* We intentionally don't call into super, so silence the warning. */
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wunknown-pragmas"

	return (id)[[OFConcreteDate alloc]
	    initWithTimeIntervalSince1970: seconds];
}
#ifdef __clang__
# pragma clang diagnostic pop
#endif

OF_SINGLETON_METHODS
@end

@implementation OFConcreteDate
- (instancetype)initWithTimeIntervalSince1970: (OFTimeInterval)seconds
{
	self = [super initWithTimeIntervalSince1970: seconds];