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zalloc.c revision 1.1.6.1
      1  1.1.6.1    fvdl /* $NetBSD: zalloc.c,v 1.1.6.1 1999/11/15 00:42:08 fvdl Exp $ */
      2      1.1  simonb 
      3      1.1  simonb /*-
      4      1.1  simonb  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5      1.1  simonb  * All rights reserved.
      6      1.1  simonb  *
      7      1.1  simonb  * This code is derived from software contributed to The NetBSD Foundation
      8      1.1  simonb  * by Simon Burge.
      9      1.1  simonb  *
     10      1.1  simonb  * Redistribution and use in source and binary forms, with or without
     11      1.1  simonb  * modification, are permitted provided that the following conditions
     12      1.1  simonb  * are met:
     13      1.1  simonb  * 1. Redistributions of source code must retain the above copyright
     14      1.1  simonb  *    notice, this list of conditions and the following disclaimer.
     15      1.1  simonb  * 2. Redistributions in binary form must reproduce the above copyright
     16      1.1  simonb  *    notice, this list of conditions and the following disclaimer in the
     17      1.1  simonb  *    documentation and/or other materials provided with the distribution.
     18      1.1  simonb  * 3. All advertising materials mentioning features or use of this software
     19      1.1  simonb  *    must display the following acknowledgement:
     20      1.1  simonb  *        This product includes software developed by the NetBSD
     21      1.1  simonb  *        Foundation, Inc. and its contributors.
     22      1.1  simonb  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23      1.1  simonb  *    contributors may be used to endorse or promote products derived
     24      1.1  simonb  *    from this software without specific prior written permission.
     25      1.1  simonb  *
     26      1.1  simonb  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27      1.1  simonb  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28      1.1  simonb  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29      1.1  simonb  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30      1.1  simonb  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31      1.1  simonb  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32      1.1  simonb  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33      1.1  simonb  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34      1.1  simonb  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35      1.1  simonb  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36      1.1  simonb  * POSSIBILITY OF SUCH DAMAGE.
     37      1.1  simonb  */
     38      1.1  simonb 
     39      1.1  simonb 
     40      1.1  simonb #include "zutil.h"
     41      1.1  simonb #include <lib/libsa/stand.h>
     42      1.1  simonb 
     43      1.1  simonb /*
     44      1.1  simonb  * A simple implementation of zcalloc and zcfree in terms of the libsa
     45      1.1  simonb  * alloc and free.
     46      1.1  simonb  */
     47      1.1  simonb 
     48      1.1  simonb voidpf
     49      1.1  simonb zcalloc(opaque, items, size)
     50      1.1  simonb 	voidpf opaque;
     51      1.1  simonb 	unsigned items;
     52      1.1  simonb 	unsigned size;
     53      1.1  simonb {
     54      1.1  simonb 	unsigned totalsize;
     55      1.1  simonb 
     56      1.1  simonb 	totalsize = items * size;
     57      1.1  simonb 	opaque = alloc(totalsize);
     58      1.1  simonb 	if (opaque != NULL)
     59      1.1  simonb 		bzero(opaque, totalsize);
     60      1.1  simonb 	return(opaque);
     61      1.1  simonb }
     62      1.1  simonb 
     63      1.1  simonb void
     64      1.1  simonb zcfree(opaque, ptr)
     65      1.1  simonb 	voidpf opaque;
     66      1.1  simonb 	voidpf ptr;
     67      1.1  simonb {
     68      1.1  simonb 	free(ptr, 0);	/* XXX: size not known */
     69      1.1  simonb }
     70