@@ -21,9 +21,7 @@ return; } - NSString *resultString = [[NSString alloc] initWithFormat: - @"'%@' has %d characters.",target,len]; - [countLabel setStringValue:resultString]; + [countLabel setStringValue:[NSString stringWithFormat:@"'%@' has %d characters.",target,len]]; } @end CharacterCounter/AppController.m @@ -21,14 +21,23 @@ return nil; NSAssert(theDate != nil, @"Argument must be non-nil"); - entryDate = theDate; + entryDate = [theDate retain]; firstNumber = random() % 100 + 1; secondNumber = random() % 100 + 1; return self; } +- (void) dealloc +{ + NSLog(@"deallocing %@", self); + [entryDate release]; + [super dealloc]; +} + - (void) setEntryDate:(NSCalendarDate *) date { + [date retain]; + [entryDate release]; entryDate = date; } @@ -49,11 +58,8 @@ - (NSString *) description { - NSString *result; - result = [[NSString alloc] initWithFormat:@"%@ = %d and %d", - [entryDate descriptionWithCalendarFormat:@"%b %d %Y"], - firstNumber, secondNumber]; - return result; + return [NSString stringWithFormat:@"%@ = %d and %d", + [self entryDate], [self firstNumber], [self secondNumber]]; } @end lottery/LotteryEntry.m @@ -28,13 +28,21 @@ int main (int argc, const char * argv[]) { // Add the LotteryEntry object to the array [array addObject:newEntry]; + + [newEntry release]; } + [now release]; + now = nil; + for (LotteryEntry *entryToPrint in array) { // Display its contents NSLog(@"%@", entryToPrint); } + [array release]; + array = nil; + [pool drain]; return 0; } lottery/lottery.m dcc053dcb6f40c9ccfab59e6663c06f32ad3c59d jake jake@dropio.com http://github.com/whoisjake/cocoa_adventures/commit/8ed8dbcba8f71d9c26d0ac1cf1bffaaf32cd90ee 8ed8dbcba8f71d9c26d0ac1cf1bffaaf32cd90ee 2008-08-12T12:35:58-07:00 2008-08-12T12:35:58-07:00 Fixed memory leaks 14104d1ace64d72172672fb11d0b08363324f416 jake jake@dropio.com