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Message-ID: <20190710214407.GN21055@port70.net>
Date: Wed, 10 Jul 2019 23:44:07 +0200
From: Szabolcs Nagy <nsz@...t70.net>
To: musl@...ts.openwall.com
Subject: Re: [PATCH] Define NULL as __null in C++ mode when using GCC
or Clang.
* Rich Felker <dalias@...c.org> [2019-07-10 17:16:24 -0400]:
> > i think modern c++ code should use nullptr in the code.
> >
> > definition of NULL should be imo kept as 0L (that's what
> > you would get on older unix systems or on openbsd anyway)
> > apparently some ppl prefer __null.
>
> Do you know if OpenBSD has a reason they do it this way?
hm i misremembered and they changed it anyway
https://github.com/openbsd/src/blob/master/sys/sys/_null.h
openbsd used to define NULL as 0L for both c and c++,
then they changed it to __null if __GNUG__ and 0L and
(void*)0 for c++ and c, now it's even more complicated.
maybe it was some other bsd or solaris that used 0L
i remember looking at it last time we changed NULL.
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