usr/src/lib/libbc/libc/gen/common/calloc.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <stdio.h>
  30 #include <malloc.h>
  31
  32 /*
  33  * calloc - allocate and clear memory block
  34  */
  35 #define CHARPERINT (sizeof(int)/sizeof(char))
  36
  37 #ifdef  S5EMUL
  38 #define ptr_t   void*
  39 #define free_t  void
  40 #define free_return(x)  (x)
  41 #else
  42 #define ptr_t   char*
  43 #define free_t  int
  44 #define free_return(x)  return (x)
  45 #endif
  46
  47 ptr_t
  48 calloc(unsigned num, unsigned size)
  49 {
  50         ptr_t mp;
  51         ptr_t   malloc();
  52
  53         num *= size;
  54         mp = malloc(num);
  55         if (mp == NULL)
  56                 return(NULL);
  57         bzero(mp, num);
  58         return ((ptr_t)(mp));
  59 }
  60
  61 free_t
  62 cfree(ptr_t p, unsigned num, unsigned size)
  63 {
  64         free_return(free(p));
  65 }