sbin/rcorder/ealloc.c

   1 /*      $FreeBSD$       */
   2 /*      $NetBSD: ealloc.c,v 1.1.1.1 1999/11/19 04:30:56 mrg Exp $       */
   3
   4 /*
   5  * Copyright (c) 1988, 1989, 1990, 1993
   6  *      The Regents of the University of California.  All rights reserved.
   7  * Copyright (c) 1989 by Berkeley Softworks
   8  * All rights reserved.
   9  *
  10  * This code is derived from software contributed to Berkeley by
  11  * Adam de Boor.
  12  *
  13  * Redistribution and use in source and binary forms, with or without
  14  * modification, are permitted provided that the following conditions
  15  * are met:
  16  * 1. Redistributions of source code must retain the above copyright
  17  *    notice, this list of conditions and the following disclaimer.
  18  * 2. Redistributions in binary form must reproduce the above copyright
  19  *    notice, this list of conditions and the following disclaimer in the
  20  *    documentation and/or other materials provided with the distribution.
  21  * 3. All advertising materials mentioning features or use of this software
  22  *    must display the following acknowledgement:
  23  *      This product includes software developed by the University of
  24  *      California, Berkeley and its contributors.
  25  * 4. Neither the name of the University nor the names of its contributors
  26  *    may be used to endorse or promote products derived from this software
  27  *    without specific prior written permission.
  28  *
  29  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  30  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  31  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  32  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  33  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  34  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  35  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  37  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  38  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  39  * SUCH DAMAGE.
  40  */
  41
  42 #include <sys/cdefs.h>
  43 #ifndef lint
  44 __RCSID("$NetBSD: ealloc.c,v 1.1.1.1 1999/11/19 04:30:56 mrg Exp $");
  45 #endif /* not lint */
  46
  47 #include <stdio.h>
  48 #include <stdlib.h>
  49 #include <string.h>
  50 #include <err.h>
  51
  52 #include "ealloc.h"
  53
  54 static void enomem(void);
  55
  56 /*
  57  * enomem --
  58  *      die when out of memory.
  59  */
  60 static void
  61 enomem()
  62 {
  63         errx(2, "Cannot allocate memory.");
  64 }
  65
  66 /*
  67  * emalloc --
  68  *      malloc, but die on error.
  69  */
  70 void *
  71 emalloc(len)
  72         size_t len;
  73 {
  74         void *p;
  75
  76         if ((p = malloc(len)) == NULL)
  77                 enomem();
  78         return(p);
  79 }
  80
  81 /*
  82  * estrdup --
  83  *      strdup, but die on error.
  84  */
  85 char *
  86 estrdup(str)
  87         const char *str;
  88 {
  89         char *p;
  90
  91         if ((p = strdup(str)) == NULL)
  92                 enomem();
  93         return(p);
  94 }
  95
  96 /*
  97  * erealloc --
  98  *      realloc, but die on error.
  99  */
 100 void *
 101 erealloc(ptr, size)
 102         void *ptr;
 103         size_t size;
 104 {
 105         if ((ptr = realloc(ptr, size)) == NULL)
 106                 enomem();
 107         return(ptr);
 108 }
 109
 110 /*
 111  * ecalloc --
 112  *      calloc, but die on error.
 113  */
 114 void *
 115 ecalloc(nmemb, size)
 116         size_t nmemb;
 117         size_t size;
 118 {
 119         void    *ptr;
 120
 121         if ((ptr = calloc(nmemb, size)) == NULL)
 122                 enomem();
 123         return(ptr);
 124 }