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/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2001
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 <errno.h>
#include <string.h>
#include <unistd.h>
#include <sysdep.h>
#include <sys/syscall.h>
int
__gethostname (char *name, size_t len)
{
int result;
result = INLINE_SYSCALL (gethostname, 2, name, len);
if (result == 0
/* See whether the string is terminated. If not we will return
an error. */
&& memchr (name, '\0', len) == NULL)
{
__set_errno (EOVERFLOW);
result = -1;
}
return result;
}
weak_alias (__gethostname, gethostname)
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