Re: printf %s with NULL pointer (was Re: BUG #17098: Assert failed on composing an error message when adding a type to an extension being dropped) - Mailing list pgsql-hackers
From
Peter Eisentraut
Subject
Re: printf %s with NULL pointer (was Re: BUG #17098: Assert failed on composing an error message when adding a type to an extension being dropped)
On 14.07.21 18:26, Tom Lane wrote:
> Peter Eisentraut <peter.eisentraut@enterprisedb.com> writes:
>> In this particular case, I would for example be quite curious how those
>> alternative minimal C libraries such as musl-libc handle this.
>
> Interesting question, so I took a look:
>
> https://git.musl-libc.org/cgit/musl/tree/src/stdio/vfprintf.c#n593
>
> case 's':
> a = arg.p ? arg.p : "(null)";
> ...
>
> Any others you'd like to consider?
Similar here:
https://github.com/ensc/dietlibc/blob/master/lib/__v_printf.c#L188
I think unless we get counterexamples, this is all good.
