From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com> |
Cc: | Ranier Vilela <ranier(dot)vf(at)gmail(dot)com>, Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
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) |
Date: | 2021-07-14 16:41:24 |
Message-ID: | 3517929.1626280884@sss.pgh.pa.us |
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Lists: | pgsql-bugs pgsql-hackers |
I wrote:
> 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)";
BTW, the adjacent code shows that musl is also supporting glibc's
"%m" extension, so I imagine that they are endeavoring to be
compatible with glibc, and this goes along with that. But that
just supports my larger point: printing "(null)" is clearly the
de facto standard now, whether or not POSIX has caught up with it.
regards, tom lane
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