1/* $NetBSD: mem.c,v 1.4 2003/10/16 06:35:26 itojun 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 1.4 2003/10/16 06:35:26 itojun Exp $"); 37#endif 38__FBSDID("$FreeBSD: releng/10.3/usr.bin/xlint/common/mem.c 281168 2015-04-06 19:56:27Z pfg $"); 39 40#include <stdlib.h> 41#include <string.h> 42 43#include "lint.h" 44 45void * 46xmalloc(size_t s) 47{ 48 void *p; 49 50 if ((p = malloc(s)) == NULL) 51 nomem(); 52 return (p); 53} 54 55void * 56xcalloc(size_t n, size_t s) 57{ 58 void *p; 59 60 if ((p = calloc(n, s)) == NULL) 61 nomem(); 62 return (p); 63} 64 65void * 66xrealloc(void *p, size_t s) 67{ 68 void *n; 69 70 if ((n = realloc(p, s)) == NULL) { 71 free(p); 72 nomem(); 73 } 74 p = n; 75 return (p); 76} 77 78char * 79xstrdup(const char *s) 80{ 81 char *s2; 82 83 if ((s2 = strdup(s)) == NULL) 84 nomem(); 85 return (s2); 86} 87 88void 89nomem(void) 90{ 91 92 errx(1, "virtual memory exhausted"); 93} 94