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 } 125