Path: csiph.com!eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail
From: Tim Rentsch
Newsgroups: comp.lang.c
Subject: Re: How to avoid an overflow during multiplication?
Date: Mon, 07 Feb 2022 09:06:23 -0800
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Bart writes:
> On 07/02/2022 08:52, Tim Rentsch wrote:
>
>> Using _Bool works here too:
>>
>> _Bool p_valid = p;
>>
>> The conversion to _Bool converts null pointers to 0, and non-null
>> pointers to 1.
>
> This leads to:
>
> _Bool b;
>
> b = &b;
>
> which looks unintuitive. Usually the LHS would be of type T, then the
> RHS would have the incompatible type T*
It is querelis gratia querimonia as usual, I see.
(With apologies to my high school Latin teacher. I never
was good at Latin.)