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/* Copyright (C) 1991, 1992, 1993, 1994, 1995 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <errno.h>
#include <unistd.h>
#include <hurd.h>
#include <hurd/port.h>
#include <string.h>
/* Put the name of the current host in no more than LEN bytes of NAME.
The result is null-terminated if LEN is large enough for the full
name and the terminator. */
int
DEFUN(__gethostname, (name, len),
char *name AND size_t len)
{
error_t err;
char *buf = name;
mach_msg_type_number_t buflen = len;
if (err = __USEPORT (PROC, __proc_gethostname (port, &buf, &buflen)))
return __hurd_fail (err);
if (buf != name)
{
memcpy (name, buf, len < buflen ? len : buflen);
__vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen);
}
if (buflen > len)
return __hurd_fail (ENAMETOOLONG);
return 0;
}
weak_alias (__gethostname, gethostname)
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