diff options
Diffstat (limited to 'REORG.TODO/hurd/set-host.c')
-rw-r--r-- | REORG.TODO/hurd/set-host.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/REORG.TODO/hurd/set-host.c b/REORG.TODO/hurd/set-host.c new file mode 100644 index 0000000000..e302d71fb7 --- /dev/null +++ b/REORG.TODO/hurd/set-host.c @@ -0,0 +1,49 @@ +/* Set a host configuration item kept as the whole contents of a file. + Copyright (C) 1996-2017 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 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 + <http://www.gnu.org/licenses/>. */ + +#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; + char *name; + + dir = __file_name_split (item, &name); + if (dir == MACH_PORT_NULL) + return -1; + + /* Create a new node. */ + err = __dir_mkfile (dir, O_WRONLY, 0644, &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, name, 0); + __mach_port_deallocate (__mach_task_self (), new); + } + __mach_port_deallocate (__mach_task_self (), dir); + + return err ? __hurd_fail (err) : nwrote; +} |