50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/* Set a host configuration item kept as the whole contents of a file.
|
|
Copyright (C) 1996, 1997 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., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <fcntl.h>
|
|
#include <hurd.h>
|
|
#include "hurdhost.h"
|
|
|
|
ssize_t
|
|
_hurd_set_host_config (const char *item, const char *value, size_t valuelen)
|
|
{
|
|
error_t err;
|
|
mach_msg_type_number_t nwrote;
|
|
file_t new, dir;
|
|
|
|
dir = __file_name_split (item, (char **)&item);
|
|
if (dir == MACH_PORT_NULL)
|
|
return -1;
|
|
|
|
/* Create a new node. */
|
|
err = __dir_mkfile (dir, O_CREAT|O_TRUNC, 0600, &new);
|
|
if (! err)
|
|
{
|
|
/* Write the contents. */
|
|
err = __io_write (new, value, valuelen, 0, &nwrote);
|
|
if (! err)
|
|
/* Atomically link the new node onto the name. */
|
|
err = __dir_link (dir, new, item, 0);
|
|
__mach_port_deallocate (__mach_task_self (), new);
|
|
}
|
|
__mach_port_deallocate (__mach_task_self (), dir);
|
|
|
|
return nwrote;
|
|
}
|