reactos/base/services/dhcpcsvc/dhcp/alloc.c

92 lines
2.9 KiB
C

/* $OpenBSD: alloc.c,v 1.9 2004/05/04 20:28:40 deraadt Exp $ */
/* Memory allocation... */
/*
* Copyright (c) 1995, 1996, 1998 The 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 <mellon@fugue.com> in cooperation with Vixie
* Enterprises. To learn more about the Internet Software Consortium,
* see ``http://www.vix.com/isc''. To learn more about Vixie
* Enterprises, see ``http://www.vix.com''.
*/
#include <rosdhcp.h>
struct string_list *
new_string_list(size_t size)
{
struct string_list *rval;
rval = calloc(1, sizeof(struct string_list) + size);
if (rval != NULL)
rval->string = ((char *)rval) + sizeof(struct string_list);
return (rval);
}
struct hash_table *
new_hash_table(int count)
{
struct hash_table *rval;
rval = calloc(1, sizeof(struct hash_table) -
(DEFAULT_HASH_SIZE * sizeof(struct hash_bucket *)) +
(count * sizeof(struct hash_bucket *)));
if (rval == NULL)
return (NULL);
rval->hash_count = count;
return (rval);
}
struct hash_bucket *
new_hash_bucket(void)
{
struct hash_bucket *rval = calloc(1, sizeof(struct hash_bucket));
return (rval);
}
void
dfree(void *ptr, char *name)
{
if (!ptr) {
warning("dfree %s: free on null pointer.", name);
return;
}
free(ptr);
}
void
free_hash_bucket(struct hash_bucket *ptr, char *name)
{
dfree(ptr, name);
}