1/* $NetBSD: mem.c,v 1.25 2024/01/20 12:02:09 rillig 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#if HAVE_NBTOOL_CONFIG_H 35#include "nbtool_config.h" 36#endif 37 38#include <sys/cdefs.h> 39#if defined(__RCSID) 40__RCSID("$NetBSD: mem.c,v 1.25 2024/01/20 12:02:09 rillig Exp $"); 41#endif 42 43#include <stdarg.h> 44#include <stdlib.h> 45#include <string.h> 46 47#include "lint.h" 48 49static void * 50not_null(void *ptr) 51{ 52 53 if (ptr == NULL) 54 errx(1, "out of memory"); 55 return ptr; 56} 57 58#if IS_LINT1 || IS_LINT2 59void * 60xmalloc(size_t s) 61{ 62 63 return not_null(malloc(s)); 64} 65 66void * 67xcalloc(size_t n, size_t s) 68{ 69 70 return not_null(calloc(n, s)); 71} 72#endif 73 74void * 75xrealloc(void *p, size_t s) 76{ 77 78 return not_null(realloc(p, s)); 79} 80 81char * 82xstrdup(const char *s) 83{ 84 85 return not_null(strdup(s)); 86} 87 88#if IS_XLINT 89char * 90xasprintf(const char *fmt, ...) 91{ 92 char *str; 93 int e; 94 va_list ap; 95 96 va_start(ap, fmt); 97 e = vasprintf(&str, fmt, ap); 98 va_end(ap); 99 if (e < 0) 100 (void)not_null(NULL); 101 return str; 102} 103#endif 104