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Article #2342

Re: Memory Allocation Error

#2342
From: Patrice Belleville
Date: Sat, 23 Jan 1993 18:08
30 lines
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From article <ofM_2yS00WA78Jzi5C@andrew.cmu.edu>, by David Apfelbaum <da0g+@andrew.cmu.edu>:
> Excerpts from netnews.comp.sys.next.programmer: 21-Jan-93 Re: Memory
> Allocation Error by Erich S. Boleyn@alamo.mt 
>>   I have seen this problem many times.  It has always (so far at least)
>>been caused by attempting to call 'free' on a statically allocated string.
>>.....
>>   Basically, your answer is to just bite the bullet and fix the bad
>>code that technically shouldn't have worked anyway, even though SunOS
>>and a few others are permissive.
> 
> 
> ????
> 
> If this truly is the problem, there's a much easier, though far less
> "correct" solution:
> 
> (from "man cc")
>      -fwritable-strings

	I'm not sure I see how this  would  help.   The problem is  that,  by
calling 'free'  on something which  has  not been  previously  malloc'ed, you
confuse memory  allocation.  Whether the string is  writable or not, the same
confusion will occur (in fact it might show  up  earlier in  the latter case,
and hence be easier to fix).
								      Patrice
-- 
/***************************************************************************\
|* Patrice Belleville 					 patrice@cs.sfu.ca *|
|*   --- Simon Fraser University is not responsible for my mistakes. ---   *|
\***************************************************************************/
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Message-ID: <1993Jan23.180844.23627@cs.sfu.ca>
Path: arc1-ca.pugleaf.net!sparky!uunet!van-bc!cs.ubc.ca!fornax!patrice
References: <ofM_2yS00WA78Jzi5C@andrew.cmu.edu>

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Newsgroups: comp.sys.next.programmer
Path: arc1-ca.pugleaf.net!sparky!uunet!van-bc!cs.ubc.ca!fornax!patrice
From: patrice@cs.sfu.ca (Patrice Belleville)
Subject: Re: Memory Allocation Error
Message-ID: <1993Jan23.180844.23627@cs.sfu.ca>
Organization: CSS, Simon Fraser University, Burnaby, B.C., Canada
References: <ofM_2yS00WA78Jzi5C@andrew.cmu.edu>
Distribution: cct
Date: Sat, 23 Jan 1993 18:08:44 GMT
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