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zalloc.c revision 1.1.18.2 
      1  1.1.18.2  yamt /* $NetBSD: zalloc.c,v 1.1.18.2 2006/06/21 14:51:44 yamt Exp $ */
      2  1.1.18.2  yamt 
      3  1.1.18.2  yamt /*
      4  1.1.18.2  yamt  * Copyright (c) 2006 Valeriy E. Ushakov
      5  1.1.18.2  yamt  * All rights reserved.
      6  1.1.18.2  yamt  *
      7  1.1.18.2  yamt  * Redistribution and use in source and binary forms, with or without
      8  1.1.18.2  yamt  * modification, are permitted provided that the following conditions
      9  1.1.18.2  yamt  * are met:
     10  1.1.18.2  yamt  * 1. Redistributions of source code must retain the above copyright
     11  1.1.18.2  yamt  *    notice, this list of conditions and the following disclaimer.
     12  1.1.18.2  yamt  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1.18.2  yamt  *    notice, this list of conditions and the following disclaimer in the
     14  1.1.18.2  yamt  *    documentation and/or other materials provided with the distribution.
     15  1.1.18.2  yamt  * 3. The name of the author may not be used to endorse or promote products
     16  1.1.18.2  yamt  *    derived from this software without specific prior written permission
     17  1.1.18.2  yamt  *
     18  1.1.18.2  yamt  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  1.1.18.2  yamt  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  1.1.18.2  yamt  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  1.1.18.2  yamt  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  1.1.18.2  yamt  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23  1.1.18.2  yamt  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  1.1.18.2  yamt  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25  1.1.18.2  yamt  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  1.1.18.2  yamt  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27  1.1.18.2  yamt  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  1.1.18.2  yamt  */
     29  1.1.18.2  yamt 
     30  1.1.18.2  yamt #include "zutil.h"
     31  1.1.18.2  yamt #include <malloc.h>
     32  1.1.18.2  yamt #include <memory.h>
     33  1.1.18.2  yamt 
     34  1.1.18.2  yamt voidpf
     35  1.1.18.2  yamt zcalloc(opaque, items, size)
     36  1.1.18.2  yamt 	voidpf opaque;
     37  1.1.18.2  yamt 	unsigned items;
     38  1.1.18.2  yamt 	unsigned size;
     39  1.1.18.2  yamt {
     40  1.1.18.2  yamt 	size_t total = items * size;
     41  1.1.18.2  yamt 
     42  1.1.18.2  yamt 	opaque = malloc(total);
     43  1.1.18.2  yamt 	if (opaque != NULL)
     44  1.1.18.2  yamt 		memset(opaque, 0, total);
     45  1.1.18.2  yamt 	return opaque;
     46  1.1.18.2  yamt }
     47  1.1.18.2  yamt 
     48  1.1.18.2  yamt void
     49  1.1.18.2  yamt zcfree(opaque, ptr)
     50  1.1.18.2  yamt 	voidpf opaque;
     51  1.1.18.2  yamt 	voidpf ptr;
     52  1.1.18.2  yamt {
     53  1.1.18.2  yamt 	free(ptr);
     54  1.1.18.2  yamt }
     55