bin/csh/alloc.c

   1 /* $NetBSD: alloc.c,v 1.13 2013/01/22 19:28:00 christos Exp $ */
   2
   3 /*-
   4  * Copyright (c) 1983, 1991, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 #ifndef lint
  34 #if 0
  35 static char sccsid[] = "@(#)alloc.c     8.1 (Berkeley) 5/31/93";
  36 #else
  37 __RCSID("$NetBSD: alloc.c,v 1.13 2013/01/22 19:28:00 christos Exp $");
  38 #endif
  39 #endif /* not lint */
  40
  41 #include <sys/types.h>
  42
  43 #include <unistd.h>
  44 #include <stdarg.h>
  45 #include <stdlib.h>
  46
  47 #include "csh.h"
  48 #include "extern.h"
  49
  50 ptr_t
  51 Malloc(size_t n)
  52 {
  53     ptr_t ptr;
  54
  55     if ((ptr = malloc(n)) == (ptr_t) 0) {
  56         child++;
  57         stderror(ERR_NOMEM);
  58     }
  59     return (ptr);
  60 }
  61
  62 ptr_t
  63 Realloc(ptr_t p, size_t n)
  64 {
  65     ptr_t ptr;
  66
  67     if ((ptr = realloc(p, n)) == (ptr_t) 0) {
  68         child++;
  69         stderror(ERR_NOMEM);
  70     }
  71     return (ptr);
  72 }
  73
  74 ptr_t
  75 Calloc(size_t s, size_t n)
  76 {
  77     ptr_t ptr;
  78
  79     if ((ptr = calloc(s, n)) == (ptr_t) 0) {
  80         child++;
  81         stderror(ERR_NOMEM);
  82     }
  83     return (ptr);
  84 }
  85
  86 void
  87 Free(ptr_t p)
  88 {
  89     if (p)
  90         free(p);
  91 }