mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-23 11:20:07 +00:00
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/* 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)
|