From: "Damian Yerrick" <NOSP AT Msnews@pineight.8m.com>
Newsgroups: comp.os.msdos.djgpp
References: <Pine DOT SUN DOT 3 DOT 91 DOT 991209160149 DOT 22560D-100000 AT is> <82rh3j$sfu AT cantine DOT wu-wien DOT ac DOT at> <385EC088 DOT 8403BF22 AT ibm DOT net>
Subject: Re: Problems with MALLOC and FREE
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Organization: Pin Eight Software <http://pineight.8m.com/>
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NNTP-Posting-Date: Tue, 21 Dec 1999 15:04:35 GMT
Distribution: world
Date: Tue, 21 Dec 1999 15:04:35 GMT
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

"yhirsch" <yhirsch AT ibm DOT net> wrote:
> The first part doesn't cause any problem naturally, but you
> have to check if you free parts of that array during the
> program BEFORE shutdown! That's very important,
> because if you do and don't set those parts back to NULL,
> it means that at shutdown, you're trying to free areas in
> memory that have already been freed - which causes a
> SIGSEGV error. So remember, if, at some point, you
> free memory - set the pointer to NULL.

Oh, by the way, does anyone know what the standard
says should happen when you free(NULL)?

--
Damian Yerrick    http://yerricde.tripod.com/
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