usr.sbin/dhcpd/alloc.c

1 /* $OpenBSD: alloc.c,v 1.16 2025年05月31日 01:42:22 dlg Exp $ */
2
3 /* Memory allocation... */
4
5 /*
6 * Copyright (c) 1995, 1996, 1998 The Internet Software Consortium.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of The Internet Software Consortium nor the names
19 * of its contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
23 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
24 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26 * DISCLAIMED. IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
27 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
30 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
33 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * This software has been written for the Internet Software Consortium
37 * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
38 * Enterprises. To learn more about the Internet Software Consortium,
39 * see ``http://www.vix.com/isc''. To learn more about Vixie
40 * Enterprises, see ``http://www.vix.com''.
41 */
42
43#include <sys/types.h>
44#include <sys/socket.h>
45
46#include <net/if.h>
47
48#include <netinet/in.h>
49
50#include <stdio.h>
51#include <stdlib.h>
52
53#include "dhcp.h"
54#include "tree.h"
55#include "dhcpd.h"
56#include "log.h"
57
58 struct tree_cache *
59 new_tree_cache(char *name)
60{
61 struct tree_cache *rval;
62
63 rval = calloc(1, sizeof(*rval));
64 if (rval == NULL)
65 fatalx("unable to allocate tree cache for %s.", name);
66
67 return (rval);
68}
69
70 void
71 free_tree_cache(struct tree_cache *ptr)
72{
73 free(ptr);
74}
75
76 struct lease_state *
77 new_lease_state(char *name)
78{
79 struct lease_state *rval;
80
81 rval = calloc(1, sizeof(*rval));
82 if (rval == NULL)
83 fatalx("unable to allocate lease state for %s.", name);
84
85 return (rval);
86}
87
88 void
89 free_lease_state(struct lease_state *ptr, char *name)
90{
91 free(ptr->prl);
92 free(ptr);
93}
94