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