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/* Setting various store fields
Copyright (C) 1995, 1996 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <malloc.h>
#include <string.h>
#include "store.h"
/* Set STORE's current runs list to (a copy of) RUNS and NUM_RUNS. */
error_t
store_set_runs (struct store *store, const struct store_run *runs, unsigned num_runs)
{
unsigned size = num_runs * sizeof (struct store_run);
struct store_run *copy = malloc (size);
if (!copy)
return ENOMEM;
if (store->runs)
free (store->runs);
bcopy (runs, copy, size);
store->runs = copy;
store->num_runs = num_runs;
if (store->block_size > 0)
_store_derive (store);
return 0;
}
/* Set STORE's current children list to (a copy of) CHILDREN and NUM_CHILDREN. */
error_t
store_set_children (struct store *store,
struct store *const *children, unsigned num_children)
{
unsigned size = num_children * sizeof (struct store_run);
struct store **copy = malloc (size);
if (!copy)
return ENOMEM;
if (store->children)
free (store->children);
bcopy (children, copy, size);
store->children = copy;
store->num_children = num_children;
return 0;
}
/* Sets the name associated with STORE to a copy of NAME. */
error_t
store_set_name (struct store *store, const char *name)
{
char *copy = malloc (strlen (name) + 1);
if (!copy)
return ENOMEM;
if (store->name)
free (store->name);
strcpy (copy, name);
store->name = copy;
return 0;
}
/* If STORE was created using store_create, remove the reference to the
source from which it was created. */
void store_close_source (struct store *store)
{
if (store->source)
{
mach_port_deallocate (mach_task_self (), store->source);
store->source = MACH_PORT_NULL;
}
}
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