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From: Kaz Kylheku <643-408-1753@kylheku.com>
Newsgroups: comp.lang.c
Subject: Re: question about nullptr
Date: Fri, 12 Jul 2024 21:52:47 -0000 (UTC)
Organization: A noiseless patient Spider
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On 2024-07-12, Richard Harnden <richard.nospam@gmail.invalid> wrote:
> On 06/07/2024 13:54, Kaz Kylheku wrote:
>> On 2024-07-06, Thiago Adams <thiago.adams@gmail.com> wrote:
>>> If you were creating C code today and could use a C23 compiler, would
>>> you use nullptr instead of NULL?
>> 
>> In greenfield projects under my dictatorship, I use 0, as in:
>> 
>>     char *p = 0;
>> 
>> I was still 20 something when I (easily) wrapped my head around the 0
>> null pointer constant, and have not had any problems with it.
>> Once I learned the standard-defined truth about null pointer constants,
>> and their relationship to the NULL macro, I dropped NULL like a hot
>> potato, and didn't look back (except when working in code bases that use
>> NULL).
>> 
>
> I don't understand why you wouldn't use NULL.
>
> If it's a pointer: NULL
> If it's an integer: 0
> If it's a double: 0.0
> If it's a char: '\0'
>
> Don't you use '\n'? Surely nobody would say 0x0a?

But, see, nobody in their right mind would say '\012` for that. '\0'
an octal escape sequence like '\012', not a role-based character
abstraction like '\n'.  There is no null character abstraction because
the null character is the concrete zero code.

-- 
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