/* ==== fc_file.c ============================================================
 * Copyright (c) 1995 by Chris Provenzano, proven@mit.edu
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *  This product includes software developed by Chris Provenzano.
 * 4. The name of Chris Provenzano may not be used to endorse or promote 
 *	  products derived from this software without specific prior written
 *	  permission.
 *
 * THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``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 CHRIS PROVENZANO 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.
 *
 * Description : Main fc functions.
 *
 *  1.00 95/06/28  proven
 *      -Started coding this file.
 */

#include <stdio.h>
#include <errno.h>
#include "cluster.h"
#include "util.h"
#include "fc.h"

static cluster fc_group_cluster;

/* ==========================================================================
 * fc_group_init()
 */
int fc_group_init()
{
	return (cluster_init(&fc_group_cluster, sizeof(struct fc_groups)));
}

/* ==========================================================================
 * fc_group_alloc()
 */
struct fc_groups * fc_group_alloc(unsigned int count)
{
	struct fc_groups * next = NULL;
	struct fc_groups * ret = NULL;
	int i;

	switch(count) {
	default:
	 	if (cluster_prealloc(&fc_group_cluster, count) == OK) {
			for (i = 0; i < count; i++) {
				if (ret = cluster_alloc(&fc_group_cluster)) {
					ret->alloctype = UN_ALLOCED;
					ret->group_name = NULL;

					ret->groupkey_first = NULL;
					ret->groupkey_count = 0;

					ret->group_next = next;
					next = ret;
				} else {
					abort();
				}
			}
		}
		break;
	case 1:
		if (ret = cluster_alloc(&fc_group_cluster)) {
			ret->alloctype = UN_ALLOCED;
			ret->group_name = NULL;

			ret->groupkey_first = NULL;
			ret->groupkey_count = 0;

			ret->group_next = NULL;
		}
		break;
	case 0:
		break;
	}
	return(ret);
}

/* ==========================================================================
 * fc_group_free()
 */
void fc_group_free(struct fc_groups * dead)
{
	cluster_free(&fc_group_cluster, dead);
}