GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.sbin/dhcpd/alloc.c Lines: 0 19 0.0 %
Date: 2017-11-13 Branches: 0 8 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: alloc.c,v 1.15 2017/02/13 19:13:14 krw Exp $	*/
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/* Memory allocation... */
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/*
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 * Copyright (c) 1995, 1996, 1998 The Internet Software Consortium.
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of The Internet Software Consortium nor the names
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 *    of its contributors may be used to endorse or promote products derived
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 *    from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
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 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 * This software has been written for the Internet Software Consortium
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 * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
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 * Enterprises.  To learn more about the Internet Software Consortium,
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 * see ``http://www.vix.com/isc''.  To learn more about Vixie
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 * Enterprises, see ``http://www.vix.com''.
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 */
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "dhcp.h"
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#include "tree.h"
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#include "dhcpd.h"
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#include "log.h"
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struct lease_state *free_lease_states;
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struct tree_cache *free_tree_caches;
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struct tree_cache *
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new_tree_cache(char *name)
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{
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	struct tree_cache *rval;
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	if (free_tree_caches) {
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		rval = free_tree_caches;
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		free_tree_caches = (struct tree_cache *)(rval->value);
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	} else {
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		rval = calloc(1, sizeof(struct tree_cache));
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		if (!rval)
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			fatalx("unable to allocate tree cache for %s.", name);
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	}
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	return (rval);
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}
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void
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free_tree_cache(struct tree_cache *ptr)
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{
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	ptr->value = (unsigned char *)free_tree_caches;
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	free_tree_caches = ptr;
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}
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struct lease_state *
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new_lease_state(char *name)
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{
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	struct lease_state *rval;
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	if (free_lease_states) {
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		rval = free_lease_states;
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		free_lease_states = free_lease_states->next;
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	} else {
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		rval = calloc(1, sizeof(struct lease_state));
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		if (!rval)
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			fatalx("unable to allocate lease state for %s.", name);
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	}
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	return (rval);
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}
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void
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free_lease_state(struct lease_state *ptr, char *name)
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{
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	free(ptr->prl);
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	ptr->next = free_lease_states;
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	free_lease_states = ptr;
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}