1 files changed, 76 insertions, 0 deletions
diff --git a/libstore/create.c b/libstore/create.c
new file mode 100644
index 00000000..71a4c62e
--- /dev/null
+++ b/libstore/create.c
@@ -0,0 +1,76 @@
+/* Store creation
+
+   Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+   Written by Miles Bader <miles@gnu.ai.mit.edu>
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   The GNU Hurd 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
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
+
+#include <hurd/fs.h>
+
+#include "store.h"
+
+/* Return a new store in STORE, which refers to the storage underlying SOURCE.
+   CLASSES is used to select classes specified by the provider; if it is 0,
+   STORE_STD_CLASSES is used.  FLAGS is set with store_set_flags, with the
+   exception of STORE_INACTIVE, which merely indicates that no attempt should
+   be made to activate an inactive store; if STORE_INACTIVE is not specified,
+   and the store returned for SOURCE is inactive, an attempt is made to
+   activate it (failure of which causes an error to be returned).  A reference
+   to SOURCE is created (but may be destroyed with store_close_source).  */
+error_t
+store_create (file_t source, int flags,
+	      const struct store_class *const *classes,
+	      struct store **store)
+{
+  error_t err;
+  struct store_enc enc;
+  mach_port_t inline_ports[10];
+  int inline_ints[60];
+  off_t inline_offsets[60];
+  char inline_data[100];
+
+  store_enc_init (&enc, inline_ports, 10, inline_ints, 60,
+		  inline_offsets, 60, inline_data, 100);
+
+  err = file_get_storage_info (source,
+			       &enc.ports, &enc.num_ports,
+			       &enc.ints, &enc.num_ints,
+			       &enc.offsets, &enc.num_offsets,
+			       &enc.data, &enc.data_len);
+  if (err)
+    return err;
+
+  err = store_decode (&enc, classes, store);
+  if (! err)
+    {
+      if (flags & STORE_INACTIVE)
+	flags &= ~STORE_INACTIVE; /* Don't actually make store inactive.  */
+      else if ((*store)->flags & STORE_INACTIVE)
+	err = store_clear_flags (*store, STORE_INACTIVE);
+      if (!err && flags)
+	err = store_set_flags (*store, flags);
+      if (err)
+	store_free (*store);
+    }
+
+  store_enc_dealloc (&enc);
+
+  if (! err)
+    /* Keep a reference to SOURCE around.  */
+    (*store)->source = source;
+
+  return err;
+}