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Message-ID: <20161020213058.GT19318@brightrain.aerifal.cx>
Date: Thu, 20 Oct 2016 17:30:58 -0400
From: Rich Felker <dalias@...c.org>
To: musl@...ts.openwall.com
Subject: Re: Header conformance/improvements
On Tue, Oct 11, 2016 at 06:44:14PM -0400, Daniel Sabogal wrote:
> Here's a list of observations from musl's headers.
>
> namespace/feature testing
> -------------------------
> dirent.h:36-7: (seek|tell)dir - XSI
> grp.h:32-4: (get|end|set)grent - XSI
> pwd.h:30-2: (set|end|get)pwent - XSI
Fixing.
> stdlib.h:103: mkostemp - GNU
POSIX-future, so no change.
> sys/stat.h:82,85: mknod[at] - XSI
Fixing.
> sys/time.h:13-29: sys/time.h - XSI header
Not sure what you mean here. If the whole header is XSI there's no
obligation to check FTMs; a conforming non-XSI program doesn't include
it.
> time.h:121: tzname - base, not XSI
> unistd.h:113,116: setre(uid|gid) - XSI
Fixing.
> wchar.h:70: wcswcs - issue 6 XSI and wcs[a-z], but removed
Leaving it alone for now since it's in a reserved namespace, but we
can revisit this desired.
> misc
> ----
> stdlib.h:155-8:
> glibc provides locale_t under _GNU_SOURCE. maybe it should
> be provided and used in place of struct __locale_struct.
Do you have in mind a scenario where this would be useful, i.e. where
you might need locale_t to be defined but not have included another
header that defines it?
> string.h:88:
> gcc generates an implicit-function-declaration warning from alloca
> when using strdupa. aside: glibc also provides strndupa.
We discussed making this definition depend on __GNUC__ and then it
could use __builtin_alloca and GCC extensions needed to make strndupa
work. There might be an old patch floating around to do something like
that.
> parameter names
> ---------------
> grp.h:37: stream
> ifaddrs.h:27,28: ifp, ifap
> stdlib.h:42: alignment, size
> sys/xattr.h:16,19: filedes
> threads.h:78: key
> wchar.h:56,168: n
Fixing.
> typos
> -----
> sys/param.h:10: CANBSIZE -> CANBSIZ
> utmpx.h:41: | -> ||
Fixing.
Rich
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