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
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
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/ ]