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/*
* libmowgli: A collection of useful routines for programming.
* allocation_policy.h: Allocation policy management.
*
* Copyright (c) 2007 William Pitcock <nenolod -at- sacredspiral.co.uk>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice is present in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "mowgli.h"
static mowgli_object_class_t klass;
static mowgli_patricia_t *mowgli_allocation_policy_dict = NULL;
static void
_allocation_policy_key_canon(char *str)
{ }
void
mowgli_allocation_policy_bootstrap(void)
{
mowgli_allocation_policy_dict = mowgli_patricia_create(_allocation_policy_key_canon);
mowgli_object_class_init(&klass, "mowgli.allocation_policy", NULL, FALSE);
}
mowgli_allocation_policy_t *
mowgli_allocation_policy_create(const char *name, mowgli_allocation_func_t allocator, mowgli_deallocation_func_t deallocator)
{
mowgli_allocation_policy_t *policy;
if (mowgli_allocation_policy_dict == NULL)
mowgli_allocation_policy_dict = mowgli_patricia_create(_allocation_policy_key_canon);
if ((policy = mowgli_patricia_retrieve(mowgli_allocation_policy_dict, name)))
return policy;
policy = mowgli_alloc(sizeof(mowgli_allocation_policy_t));
mowgli_object_init_from_class(mowgli_object(policy), name, &klass);
policy->allocate = allocator;
policy->deallocate = deallocator;
mowgli_patricia_add(mowgli_allocation_policy_dict, name, policy);
return policy;
}
mowgli_allocation_policy_t *
mowgli_allocation_policy_lookup(const char *name)
{
if (mowgli_allocation_policy_dict == NULL)
mowgli_allocation_policy_dict = mowgli_patricia_create(_allocation_policy_key_canon);
return mowgli_patricia_retrieve(mowgli_allocation_policy_dict, name);
}
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