Path: csiph.com!eternal-september.org!feeder.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.c
Subject: Re: double free
Date: Sat, 09 Jul 2016 14:24:37 -0700
Organization: None to speak of
Lines: 22
Message-ID: <lnwpkuld2i.fsf@kst-u.example.com>
References: <d5964270-015f-4955-9f7a-6a06bcfb5944@googlegroups.com> <577ba42f.13700328@news.xs4all.nl> <slrnnnqlqn.5q5.grahn+nntp@frailea.sa.invalid> <48c43c3f-8e7e-0509-5b9d-04133e7bb537@verizon.net> <pan.2016.07.09.05.13.42.40000@nowhere.invalid> <d3c0b115-927f-af9a-2c65-7893df4cbba9@verizon.net> <nlrfm4$fgs$1@dont-email.me> <nlrjkp$skl$1@jstuckle.eternal-september.org> <c99c343e-c95d-41f3-b8a0-995e27fb2c1e@googlegroups.com> <ln1t32msb8.fsf@kst-u.example.com> <1ad2ad44-a44e-adee-2b4e-8a4c80a881d9@verizon.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Injection-Info: mx02.eternal-september.org; posting-host="945944de09706c9b4e29b53c9d2efdc2"; logging-data="18556"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX1+0bfg1UBY+1MLLsNwNunv1"
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)
Cancel-Lock: sha1:3tKmt0z4OkhLvCQ5r1raJs/Dm8A= sha1:IyvCEusnVc+YD8PZeXJwva63eLQ=
Xref: csiph.com comp.lang.c:90161

"James R. Kuyper" <jameskuyper@verizon.net> writes:
> On 07/09/2016 05:10 PM, Keith Thompson wrote:
>> jameskuyper@verizon.net writes:
> ...
>>> and the cast causes an utterly unnecessary and useless error message
>>> if you add it to what is otherwise the preferred way of handling the
>>> call:
>>>
>>>    p = (double*) malloc( sizeof *p);
>> 
>> I presume you didn't intend to use a cast there.
>
> Actually, I did - that code was intended to be an example of what should
> NOT be done, and why.

"otherwise".  Got it.

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Working, but not speaking, for JetHead Development, Inc.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"