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Message-ID: <4F59BD70.9020105@unixsol.org>
Date: Fri, 09 Mar 2012 10:21:04 +0200
From: Georgi Chorbadzhiyski <gf@...xsol.org>
To: musl@...ts.openwall.com
Subject: Re: [PATCH 0/4] Fix function definitions.
On 3/9/12 10:14 AM, Georgi Chorbadzhiyski wrote:
> Define several functions if _BSD_SOURCE is set. _XOPEN_SOURCE
> should also be checked but I can't be bothered, because _BSD_SOURCE
> works.
>
> Background for these patches:
> http://lists.landley.net/pipermail/toybox-landley.net/2012-March/000309.html
>
> Georgi Chorbadzhiyski (4):
> include/stdlib.h: Define clearenv() if (_SVID_SOURCE || _BSD_SOURCE)
> is set.
> include/unistd.h: Define sethostname() if _BSD_SOURCE is set.
> include/unistd.h: Define vfork() if _BSD_SOURCE is set.
> include/sys/types.h: major(), minor() and makedev() should be defined
> if _BSD_SOURCE is set.
>
> include/stdlib.h | 5 ++++-
> include/sys/types.h | 5 ++++-
> include/unistd.h | 10 ++++++++--
> 3 files changed, 16 insertions(+), 4 deletions(-)
>
Hmm...it seems this is not enough. See include/unistd.h
#ifdef _GNU_SOURCE
int brk(void *);
void *sbrk(intptr_t);
pid_t forkall(void);
int vhangup(void);
int getpagesize(void);
int usleep(unsigned);
unsigned ualarm(unsigned, unsigned);
int setgroups(size_t, const gid_t []);
int setresuid(uid_t, uid_t, uid_t);
int setresgid(gid_t, gid_t, gid_t);
char *get_current_dir_name(void);
#endif
Most of the above according to their man pages should be defined if
_BSD_SOURCE is set.
Should the headers be filled with feature checks (that would make them
quite ugly) or assume we have _GNU_SOURCE defined and remove any _GNU_SOURCE
checks?
--
Georgi Chorbadzhiyski
http://georgi.unixsol.org/
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