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Re: retain, release, and autorelease operations

From: Jeff Teunissen
Subject: Re: retain, release, and autorelease operations
Date: Tue, 02 Oct 2001 18:40:03 -0400

Ludovic Marcotte wrote:
> Hi,
> One of my friend is porting GNUMail.app / Pantomime to MacOS-X.
> Since GNUstep defines RETAIN(), RELEASE(), and AUTORELEASE() as
> placeholders for GC (in a distant future), is it safe to simply define
> in both projects:

Macros should be protected from weird things (such as calling within other
macros) by forcing them to be evaluated.

> #define RETAIN(object)          [object retain]
> #define RELEASE(object)         [object release]
> #define AUTORELEASE(object)     [object autorelease]

#define RETAIN(obj)             [(obj) retain]
#define RELEASE(obj)            [(obj) release]
#define AUTORELEASE(obj)        [(obj) autorelease]

Other than that, it should be fine.

| Jeff Teunissen  -=-  Pres., Dusk To Dawn Computing  -=-  deek @ d2dc.net
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