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Editorial Team
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Asked: 2026-05-15T16:41:37+00:00

Here is some code I have in my app that I DIDNT release. When

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Here is some code I have in my app that I DIDNT release. When I try to release I get a Program received signal: “EXC_BAD_ACCESS”. exception and the app crashes. If I dont try to release it the app runs fine.
Do I need to call a release message on these objects? Any idea what could be going on here?

        NSString *sA = legA.text;
        NSArray *firstLeg = [sA componentsSeparatedByString:@","]; 


[sA release]; //works ok
[firstLeg release]; //sends the bad access exception and crashes the app
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1 Answer

  1. Editorial Team

    Both of them don’t need to be -released.

    I suggest you read the Memory Management Rules. You need to -release an object if and only if the current scope is an owner of that object. You become an owner only when the object is received as

    • [[Foo alloc...] init...]
    • [foo new...]
    • [foo copy...] or [foo mutableCopy...]
    • [foo retain]

    in all other cases, you should never -release it. As .text and -componentsSeparatedByString: are not one of these methods, there’s no need to -release sA and firstLeg.

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