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93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
/* $OpenBSD: alloc.c,v 1.9 2004/05/04 20:28:40 deraadt 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 <rosdhcp.h>
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struct string_list *
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new_string_list(size_t size)
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{
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struct string_list *rval;
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rval = calloc(1, sizeof(struct string_list) + size);
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if (rval != NULL)
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rval->string = ((char *)rval) + sizeof(struct string_list);
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return (rval);
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}
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struct hash_table *
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new_hash_table(int count)
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{
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struct hash_table *rval;
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rval = calloc(1, sizeof(struct hash_table) -
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(DEFAULT_HASH_SIZE * sizeof(struct hash_bucket *)) +
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(count * sizeof(struct hash_bucket *)));
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if (rval == NULL)
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return (NULL);
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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 *
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new_hash_bucket(void)
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{
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struct hash_bucket *rval = calloc(1, sizeof(struct hash_bucket));
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return (rval);
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}
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void
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dfree(void *ptr, char *name)
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{
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if (!ptr) {
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warning("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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void
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free_hash_bucket(struct hash_bucket *ptr, char *name)
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{
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dfree(ptr, name);
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}
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