From: Szabolcs Nagy <nsz@port70.net>
To: musl@lists.openwall.com
Subject: Re: why is there no __MUSL__ macro?
Date: Thu, 11 Sep 2014 14:38:01 +0200 [thread overview]
Message-ID: <20140911123800.GI21835@port70.net> (raw)
In-Reply-To: <54118F73.2020807@posteo.de>
* J?rg Krause <jkrause@posteo.de> [2014-09-11 14:02:59 +0200]:
> On 09/11/2014 01:17 PM, Szabolcs Nagy wrote:
> >then _testing_ for conformance issues is the second try
> >if the default fails
>
> What do you mean with testing for concormance?
eg glibc scanf uses "%a" for its own extension by default
and c99 behaviour is only provided with appropriate cflags
if your project depends on %a scanf then you may need to
test for this conformance issue (instead of ifdef __GLIBC__
because they may change the behaviour later or the cflag
might not work on an older version etc)
of course there are cases when you depend on behaviour that
is not described by any standard in which case it is not
"conformance testing" but you still need some kind of testing
of the behaviour for portability
next prev parent reply other threads:[~2014-09-11 12:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-11 11:00 Jörg Krause
2014-09-11 11:09 ` Laurent Bercot
2014-09-11 11:17 ` Szabolcs Nagy
2014-09-11 12:02 ` Jörg Krause
2014-09-11 12:38 ` Szabolcs Nagy [this message]
2014-09-11 13:33 ` Jörg Krause
2014-09-11 14:48 ` Szabolcs Nagy
2014-09-11 14:30 ` Christian Neukirchen
2014-09-11 11:17 ` Jens
2014-09-11 12:24 ` Jörg Krause
2014-09-11 14:53 ` Isaac Dunham
2014-09-12 7:39 ` Jörg Krause
2014-09-11 14:47 ` Natanael Copa
2014-09-12 7:35 ` Jörg Krause
2014-09-12 15:37 ` Rich Felker
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