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-rw-r--r--hurd/set-host.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/hurd/set-host.c b/hurd/set-host.c
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index 0000000000..e9af697226
--- /dev/null
+++ b/hurd/set-host.c
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+/* 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;
+}