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Mail Archives: djgpp/2002/12/14/05:00:40

From: Martin Str|mberg <ams AT speedy DOT ludd DOT luth DOT se>
Subject: Re: problem with malloc and free
Newsgroups: comp.os.msdos.djgpp
References: <ateunh$mv3$1 AT news DOT online DOT de>
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Date: 14 Dec 2002 09:55:34 GMT
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Lars O. Hansen <lars DOT o DOT hansen AT gmx DOT de> wrote:
: the following code, if compiled per "gcc test.c" and executed (DOS), crashes for some compilations
: and then when compiled again crashes not and then again when compiled again, crashes again.

: if the (float*) casts are removed, the code always crashes.

: if then either atexit(freeall), or either free(cxphi) in main or either free(cm) in freeall or
: either free(cxphi) in freeall is removed, the code does not crash.

If you free something twice, anything can happen.


Right,

						MartinS

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