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/* salloc.c
Memory allocation for the DHCP server... */
/*
* Copyright (c) 1996-2000 Internet Software Consortium.
* 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. Neither the name of The Internet Software Consortium nor the names
* of its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
* CONTRIBUTORS ``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 INTERNET SOFTWARE CONSORTIUM OR
* CONTRIBUTORS 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.
*
* This software has been written for the Internet Software Consortium
* by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
* To learn more about the Internet Software Consortium, see
* ``http://www.isc.org/''. To learn more about Vixie Enterprises,
* see ``http://www.vix.com''. To learn more about Nominum, Inc., see
* ``http://www.nominum.com''.
*/
#ifndef lint
static char copyright[] =
"$Id: salloc.c,v 1.1 2000/05/16 23:11:42 mellon Exp $ Copyright (c) 1996-2000 The Internet Software Consortium. All rights reserved.\n";
#endif /* not lint */
#include "dhcpd.h"
#include <omapip/omapip_p.h>
struct lease *new_leases (n, file, line)
unsigned n;
const char *file;
int line;
{
struct lease *rval = dmalloc (n * sizeof (struct lease), file, line);
return rval;
}
OMAPI_OBJECT_ALLOC (lease, struct lease, dhcp_type_lease)
OMAPI_OBJECT_ALLOC (class, struct class, dhcp_type_class)
OMAPI_OBJECT_ALLOC (pool, struct pool, dhcp_type_pool)
OMAPI_OBJECT_ALLOC (host, struct host_decl, dhcp_type_host)
struct lease_state *free_lease_states;
struct lease_state *new_lease_state (file, line)
const char *file;
int line;
{
struct lease_state *rval;
if (free_lease_states) {
rval = free_lease_states;
free_lease_states =
(struct lease_state *)(free_lease_states -> next);
dmalloc_reuse (rval, file, line, 0);
} else {
rval = dmalloc (sizeof (struct lease_state), file, line);
if (!rval)
return rval;
}
memset (rval, 0, sizeof *rval);
if (!option_state_allocate (&rval -> options, file, line)) {
free_lease_state (rval, file, line);
return (struct lease_state *)0;
}
return rval;
}
void free_lease_state (ptr, file, line)
struct lease_state *ptr;
const char *file;
int line;
{
if (ptr -> options)
option_state_dereference (&ptr -> options, file, line);
if (ptr -> packet)
packet_dereference (&ptr -> packet, file, line);
if (ptr -> shared_network)
shared_network_dereference (&ptr -> shared_network,
file, line);
data_string_forget (&ptr -> parameter_request_list, file, line);
data_string_forget (&ptr -> filename, file, line);
data_string_forget (&ptr -> server_name, file, line);
ptr -> next = free_lease_states;
free_lease_states = ptr;
dmalloc_reuse (free_lease_states, (char *)0, 0, 0);
}
struct permit *new_permit (file, line)
const char *file;
int line;
{
struct permit *permit = ((struct permit *)
dmalloc (sizeof (struct permit), file, line));
if (!permit)
return permit;
memset (permit, 0, sizeof *permit);
return permit;
}
void free_permit (permit, file, line)
struct permit *permit;
const char *file;
int line;
{
dfree (permit, file, line);
}
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