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333 lines
7.1 KiB
C
333 lines
7.1 KiB
C
/* alloc.c
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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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#ifndef lint
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static char copyright[] =
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"$Id: alloc.c,v 1.13.2.2 1999/03/26 16:39:36 mellon Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium. All rights reserved.\n";
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#endif /* not lint */
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#include "dhcpd.h"
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struct dhcp_packet *dhcp_free_list;
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struct packet *packet_free_list;
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VOIDPTR dmalloc (size, name)
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int size;
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char *name;
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{
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VOIDPTR foo = (VOIDPTR)malloc (size);
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if (!foo)
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warn ("No memory for %s.", name);
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else
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memset (foo, 0, size);
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return foo;
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}
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void dfree (ptr, name)
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VOIDPTR ptr;
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char *name;
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{
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if (!ptr) {
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warn ("dfree %s: free on null pointer.", name);
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return;
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}
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free (ptr);
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}
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struct packet *new_packet (name)
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char *name;
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{
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struct packet *rval;
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rval = (struct packet *)dmalloc (sizeof (struct packet), name);
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return rval;
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}
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struct dhcp_packet *new_dhcp_packet (name)
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char *name;
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{
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struct dhcp_packet *rval;
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rval = (struct dhcp_packet *)dmalloc (sizeof (struct dhcp_packet),
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name);
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return rval;
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}
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struct tree *new_tree (name)
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char *name;
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{
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struct tree *rval = dmalloc (sizeof (struct tree), name);
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return rval;
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}
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struct tree_cache *free_tree_caches;
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struct tree_cache *new_tree_cache (name)
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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 =
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(struct tree_cache *)(rval -> value);
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} else {
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rval = dmalloc (sizeof (struct tree_cache), name);
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if (!rval)
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error ("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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struct hash_table *new_hash_table (count, name)
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int count;
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char *name;
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{
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struct hash_table *rval = dmalloc (sizeof (struct hash_table)
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- (DEFAULT_HASH_SIZE
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* sizeof (struct hash_bucket *))
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+ (count
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* sizeof (struct hash_bucket *)),
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name);
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rval -> hash_count = count;
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return rval;
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}
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struct hash_bucket *new_hash_bucket (name)
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char *name;
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{
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struct hash_bucket *rval = dmalloc (sizeof (struct hash_bucket), name);
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return rval;
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}
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struct lease *new_leases (n, name)
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int n;
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char *name;
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{
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struct lease *rval = dmalloc (n * sizeof (struct lease), name);
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return rval;
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}
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struct lease *new_lease (name)
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char *name;
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{
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struct lease *rval = dmalloc (sizeof (struct lease), name);
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return rval;
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}
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struct subnet *new_subnet (name)
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char *name;
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{
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struct subnet *rval = dmalloc (sizeof (struct subnet), name);
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return rval;
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}
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struct class *new_class (name)
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char *name;
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{
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struct class *rval = dmalloc (sizeof (struct class), name);
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return rval;
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}
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struct shared_network *new_shared_network (name)
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char *name;
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{
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struct shared_network *rval =
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dmalloc (sizeof (struct shared_network), name);
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return rval;
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}
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struct group *new_group (name)
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char *name;
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{
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struct group *rval =
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dmalloc (sizeof (struct group), name);
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return rval;
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}
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struct protocol *new_protocol (name)
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char *name;
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{
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struct protocol *rval = dmalloc (sizeof (struct protocol), name);
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return rval;
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}
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struct lease_state *free_lease_states;
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struct lease_state *new_lease_state (name)
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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 =
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(struct lease_state *)(free_lease_states -> next);
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} else {
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rval = dmalloc (sizeof (struct lease_state), name);
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}
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return rval;
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}
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struct domain_search_list *new_domain_search_list (name)
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char *name;
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{
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struct domain_search_list *rval =
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dmalloc (sizeof (struct domain_search_list), name);
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return rval;
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}
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struct name_server *new_name_server (name)
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char *name;
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{
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struct name_server *rval =
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dmalloc (sizeof (struct name_server), name);
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return rval;
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}
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void free_name_server (ptr, name)
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struct name_server *ptr;
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char *name;
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{
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dfree ((VOIDPTR)ptr, name);
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}
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void free_domain_search_list (ptr, name)
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struct domain_search_list *ptr;
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char *name;
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{
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dfree ((VOIDPTR)ptr, name);
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}
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void free_lease_state (ptr, name)
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struct lease_state *ptr;
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char *name;
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{
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if (ptr -> prl)
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dfree (ptr -> prl, name);
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ptr -> next = free_lease_states;
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free_lease_states = ptr;
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}
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void free_protocol (ptr, name)
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struct protocol *ptr;
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char *name;
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{
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dfree ((VOIDPTR)ptr, name);
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}
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void free_group (ptr, name)
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struct group *ptr;
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char *name;
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{
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dfree ((VOIDPTR)ptr, name);
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}
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void free_shared_network (ptr, name)
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struct shared_network *ptr;
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char *name;
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{
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dfree ((VOIDPTR)ptr, name);
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}
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void free_class (ptr, name)
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struct class *ptr;
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char *name;
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{
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dfree ((VOIDPTR)ptr, name);
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}
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void free_subnet (ptr, name)
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struct subnet *ptr;
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char *name;
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{
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dfree ((VOIDPTR)ptr, name);
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}
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void free_lease (ptr, name)
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struct lease *ptr;
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char *name;
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{
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dfree ((VOIDPTR)ptr, name);
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}
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void free_hash_bucket (ptr, name)
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struct hash_bucket *ptr;
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char *name;
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{
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dfree ((VOIDPTR)ptr, name);
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}
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void free_hash_table (ptr, name)
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struct hash_table *ptr;
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char *name;
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{
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dfree ((VOIDPTR)ptr, name);
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}
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void free_tree_cache (ptr, name)
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struct tree_cache *ptr;
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char *name;
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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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void free_packet (ptr, name)
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struct packet *ptr;
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char *name;
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{
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dfree ((VOIDPTR)ptr, name);
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}
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void free_dhcp_packet (ptr, name)
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struct dhcp_packet *ptr;
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char *name;
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{
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dfree ((VOIDPTR)ptr, name);
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}
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void free_tree (ptr, name)
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struct tree *ptr;
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char *name;
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{
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dfree ((VOIDPTR)ptr, name);
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}
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