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Mail Archives: djgpp/1997/02/27/07:56:25

From: fmarcos AT jet DOT es (Fernando Marcos)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: free() ?
Date: Thu, 27 Feb 1997 11:10:32 GMT
Organization: Unisource Espana NEWS SERVER
Lines: 15
Message-ID: <5f3pmh$nn0$1@diana.ibernet.es>
References: <330CBD87 DOT 5B1F AT post DOT comstar DOT ru>
NNTP-Posting-Host: info57.jet.es
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

Dim Zegebart <zager AT post DOT comstar DOT ru> wrote:

>void foo(void)
>{ int x;
>  free(&x);
>}

>What will happens in line free(&x) ? Is it correct ?

Probably nothin'!! malloc() places a 'magic number' at the beginning
of every memory block it provides. If free() does not find that magic
number where it is supposed to be, returns. Or at least I think so
after a little study of malloc() sources!


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