glibc/sysdeps/mach/hurd/uname.c

48 lines
1.4 KiB
C

/* Copyright (C) 1992-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <sys/utsname.h>
#include <hurd.h>
#include <hurd/startup.h>
int
__uname (struct utsname *uname)
{
error_t err;
if (err = __USEPORT (PROC, __proc_uname (port, uname)))
return __hurd_fail (err);
/* Fill in the hostname, which the proc server doesn't know. */
err = errno;
if (__gethostname (uname->nodename, sizeof uname->nodename) < 0)
{
if (errno == ENAMETOOLONG)
/* Ignore the error of the buffer being too small.
It is of fixed size, nothing to do about it. */
errno = err;
else
return -1;
}
return 0;
}
weak_alias (__uname, uname)
libc_hidden_def (__uname)
libc_hidden_def (uname)