Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!apple!AppleLink.Apple.Com!Greg
From: Greg@AppleLink.Apple.Com (Greggy)
Newsgroups: comp.sys.mac.programmer
Subject: Re: Config File Resource Blues
Message-ID: <2741@internal.Apple.COM>
Date: 10 Jul 89 21:55:59 GMT
Sender: usenet@Apple.COM
Organization: Apple Computer, Inc.
Lines: 47
References:<2013@dogie.macc.wisc.edu> <1165@intercon.UUCP>

In article <1165@intercon.UUCP> amanda@intercon.uu.net (Amanda Walker) 
writes:
> There's another approach, which I use and have never had any problems 
> with, and goes something like this:
> 
> read_settings:
>         OpenResFile             // open the settings file
>         GetResource             // get settings resource
>         DetachResource          // detach it from the resource map
>         CloseResFile            // close the settings file
> 
> at this point, my settings resource is just another handle, which I can
> dispose of after I'm done with it.
> 
> write_settings:
>         CreateResFile (if it's not already there)
>         OpenResFile             // open the settings file
>         if (GetResource)        // if there's an old setting resource,
>                 RmveResource    // remove it
>         AddResource             // add the current settings as a resource
>         CloseResFile            // close the settings file
> 
> This way, I don't have to worry about the resource changing size, or
> whatever.  As another trick, you can put a default settings resource in
> your application, so that you don't have to worry about the settings file
> not being there the first time.

You could even SetResLoad( FALSE ) before the GetResource call in 
write_settings to prevent the old settings from needing some of your 
precious heap space right before you nuke them!

> --
> Amanda Walker
> InterCon Systems Corporation
> amanda@intercon.uu.net  |  ...!uunet!intercon!amanda
>  


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