1 /*- 2 * Copyright (C) 2009 Gabor Kovesdan <gabor@FreeBSD.org> 3 * Copyright (C) 2012 Oleg Moskalenko <mom040267@gmail.com> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: head/usr.bin/sort/mem.c 281132 2015-04-06 02:35:55Z pfg $ 28 */ 29 30 31 #include <err.h> 32 #include <stdlib.h> 33 #include <string.h> 34 35 #include "mem.h" 36 37 /* 38 * malloc() wrapper. 39 */ 40 void * 41 sort_malloc(size_t size) 42 { 43 void *ptr; 44 45 if ((ptr = malloc(size)) == NULL) 46 err(2, NULL); 47 return (ptr); 48 } 49 50 /* 51 * free() wrapper. 52 */ 53 void 54 sort_free(const void *ptr) 55 { 56 57 if (ptr) 58 free(__DECONST(void *, ptr)); 59 } 60 61 /* 62 * realloc() wrapper. 63 */ 64 void * 65 sort_realloc(void *ptr, size_t size) 66 { 67 68 if ((ptr = realloc(ptr, size)) == NULL) 69 err(2, NULL); 70 return (ptr); 71 } 72 73 char * 74 sort_strdup(const char *str) 75 { 76 char *dup; 77 78 if ((dup = strdup(str)) == NULL) 79 err(2, NULL); 80 return (dup); 81 } 82