1 /* $NetBSD: mem.c,v 1.3 2002/01/31 19:36:53 tv Exp $ */ 2 3 /* 4 * Copyright (c) 1994, 1995 Jochen Pohl 5 * 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Jochen Pohl for 18 * The NetBSD Project. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 #if defined(__RCSID) && !defined(lint) 36 __RCSID("$NetBSD: mem.c,v 1.3 2002/01/31 19:36:53 tv Exp $"); 37 #endif 38 39 #include <stdlib.h> 40 #include <string.h> 41 42 #include "lint.h" 43 44 void * 45 xmalloc(size_t s) 46 { 47 void *p; 48 49 if ((p = malloc(s)) == NULL) 50 nomem(); 51 return (p); 52 } 53 54 void * 55 xcalloc(size_t n, size_t s) 56 { 57 void *p; 58 59 if ((p = calloc(n, s)) == NULL) 60 nomem(); 61 return (p); 62 } 63 64 void * 65 xrealloc(void *p, size_t s) 66 { 67 68 if ((p = realloc(p, s)) == NULL) 69 nomem(); 70 return (p); 71 } 72 73 char * 74 xstrdup(const char *s) 75 { 76 char *s2; 77 78 if ((s2 = strdup(s)) == NULL) 79 nomem(); 80 return (s2); 81 } 82 83 void 84 nomem(void) 85 { 86 87 errx(1, "virtual memory exhausted"); 88 } 89