From:	Richard Dawe <rich AT phekda DOT freeserve DOT co DOT uk>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Problem with malloc/free
Date:	Mon, 03 Mar 2003 10:32:30 +0000
Lines:	19
Message-ID:	<3E632F3E.6B46C007@phekda.freeserve.co.uk>
References:	<3E6225AD DOT 1341CC2B AT ec-red DOT com> <Xns933270944F6EBasu1cornelledu AT 132 DOT 236 DOT 56 DOT 8> <3E62BFC8 DOT 4E12DED8 AT ec-red DOT com> <7PD8a.59359$jM5 DOT 151272 AT newsfeeds DOT bigpond DOT com>
NNTP-Posting-Host:	62.136.9.84
Mime-Version:	1.0
X-Trace:	newsg2.svr.pol.co.uk 1046702183 10253 62.136.9.84 (3 Mar 2003 14:36:23 GMT)
NNTP-Posting-Date:	3 Mar 2003 14:36:23 GMT
X-Complaints-To:	abuse AT theplanet DOT net
X-Mailer:	Mozilla 4.77 [en] (X11; U; Linux 2.2.23 i586)
X-Accept-Language:	de,fr
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

Hello.

Ben Peddell wrote:
[snip]
> What about if you added all of the filelengths together, added 80 bytes to
> that, and then malloc()'d that space. Then use the first 80 bytes for the
> pointer array. Then set each pointer in the array to the right position
> within the buffer, so that each pointer points the [length of the previous
> file] after the pointer to the previous file. When you're finished, all you
> have to do is free() the pointer array, which will automatically free your
> entire buffer.

Instead of "80 bytes", you should use "sizeof(char *) * 20". If you use "80
bytes", the program is non-portable.

Bye, Rich =]

-- 
Richard Dawe [ http://www.phekda.freeserve.co.uk/richdawe/ ]

- Raw text -