diff options
Diffstat (limited to 'hurd/set-host.c')
-rw-r--r-- | hurd/set-host.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/hurd/set-host.c b/hurd/set-host.c new file mode 100644 index 0000000000..e9af697226 --- /dev/null +++ b/hurd/set-host.c @@ -0,0 +1,48 @@ +/* Set a host configuration item kept as the whole contents of a file. +Copyright (C) 1996 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 <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, &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, item, 0); + __mach_port_deallocate (__mach_task_self (), new); + } + __mach_port_deallocate (__mach_task_self (), dir); + + return nread; +} |