1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (C) 2009 Gabor Kovesdan <gabor@FreeBSD.org> 5 * Copyright (C) 2012 Oleg Moskalenko <mom040267@gmail.com> 6 * 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 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 #include <err.h> 34 #include <stdlib.h> 35 #include <string.h> 36 37 #include "mem.h" 38 39 /* 40 * malloc() wrapper. 41 */ 42 void * 43 sort_malloc(size_t size) 44 { 45 void *ptr; 46 47 if ((ptr = malloc(size)) == NULL) 48 err(2, NULL); 49 return (ptr); 50 } 51 52 /* 53 * free() wrapper. 54 */ 55 void 56 sort_free(const void *ptr) 57 { 58 59 if (ptr) 60 free(__DECONST(void *, ptr)); 61 } 62 63 /* 64 * realloc() wrapper. 65 */ 66 void * 67 sort_realloc(void *ptr, size_t size) 68 { 69 70 if ((ptr = realloc(ptr, size)) == NULL) 71 err(2, NULL); 72 return (ptr); 73 } 74 75 char * 76 sort_strdup(const char *str) 77 { 78 char *dup; 79 80 if ((dup = strdup(str)) == NULL) 81 err(2, NULL); 82 return (dup); 83 } 84