1 /* $OpenBSD: alloc.c,v 1.20 2018/09/18 17:48:22 millert Exp $ */ 2 /* $NetBSD: alloc.c,v 1.6 1995/03/21 09:02:23 cgd Exp $ */ 3 4 /*- 5 * Copyright (c) 1983, 1991, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include <sys/types.h> 34 #include <unistd.h> 35 #include <stdlib.h> 36 #include <stdarg.h> 37 #include <string.h> 38 39 #include "csh.h" 40 #include "extern.h" 41 42 void * 43 xmalloc(size_t n) 44 { 45 void *ptr; 46 47 if ((ptr = malloc(n)) == NULL) { 48 child++; 49 stderror(ERR_NOMEM); 50 } 51 return (ptr); 52 } 53 54 void * 55 xreallocarray(void * p, size_t c, size_t n) 56 { 57 void *ptr; 58 59 if ((ptr = reallocarray(p, c, n)) == NULL) { 60 child++; 61 stderror(ERR_NOMEM); 62 } 63 return (ptr); 64 } 65 66 void * 67 xcalloc(size_t s, size_t n) 68 { 69 void *ptr; 70 71 if ((ptr = calloc(s, n)) == NULL) { 72 child++; 73 stderror(ERR_NOMEM); 74 } 75 76 return (ptr); 77 } 78 79 char * 80 xstrdup(const char *s) 81 { 82 char *n; 83 84 if (s == NULL) 85 s = ""; 86 if ((n = strdup(s)) == NULL) { 87 child++; 88 stderror(ERR_NOMEM); 89 } 90 return (n); 91 } 92