Article View: comp.os.msdos.programmer
Article #7870Re: What is the max mem returned by `malloc`?
From: Laurence Mee
Date: Tue, 05 Sep 1995 12:03
Date: Tue, 05 Sep 1995 12:03
28 lines
1698 bytes
1698 bytes
In article <42f680$dlj@caip.rutgers.edu> halasz@caip.rutgers.edu writes:
> In article <42daou$n8h@tuzo.erin>, cfranzin@erin.utoronto.ca (Carla Maria
> Franzin) writes
> > ...
> > What does the C language define for the maximum memory that malloc
> > returns? The reason I ask is because of Dos 32-bit flat memory problems I
> > have. I'm not seeing why you might want to make a singulaly linked list
> > of say 16k?
>
> As far as I know, none at all and the standard leavs this implementational.
> Therefore, you hav little choice but to rede your vendor s writ or ask in
> other newsgroups, as I hav set.
>
malloc can return up to the maximum available free memory for the compiled
model - well that's not quite true as memory can get fragmented occasionally!
Thus for flat model malloc can return up to the maximum amount of memory
addressed by the extender - thus you can malloc megabytes in one call!
--
See Ya!
Laurence.
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The benefit of being stubborn is that you always
know what you are going to be thinking tomorrow!
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Path: arc1-ca.pugleaf.net!mail2news.demon.co.uk!wyrm.demon.co.uk From: Laurence Mee <laurence@wyrm.demon.co.uk> Newsgroups: comp.os.msdos.programmer,comp.lang.c Subject: Re: What is the max mem returned by `malloc`? Date: Tue, 05 Sep 95 12:03:41 GMT Organization: The FLIGHT DATA Company Distribution: can Message-ID: <810302621snz@wyrm.demon.co.uk> References: <42daou$n8h@tuzo.erin> <42f680$dlj@caip.rutgers.edu> Reply-To: laurence@wyrm.demon.co.uk X-NNTP-Posting-Host: wyrm.demon.co.uk X-Newsreader: Demon Internet Simple News v1.29