1 /* $OpenBSD: mem.c,v 1.6 2015/04/02 20:30:45 millert Exp $ */ 2 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 <err.h> 31 #include <stdio.h> 32 #include <string.h> 33 34 #include "mem.h" 35 36 /* 37 * malloc() wrapper. 38 */ 39 void * 40 sort_malloc(size_t size) 41 { 42 void *ptr; 43 44 if ((ptr = malloc(size)) == NULL) 45 err(2, NULL); 46 return ptr; 47 } 48 49 /* 50 * calloc() wrapper. 51 */ 52 void * 53 sort_calloc(size_t nmemb, size_t size) 54 { 55 void *ptr; 56 57 if ((ptr = calloc(nmemb, size)) == NULL) 58 err(2, NULL); 59 return ptr; 60 } 61 62 /* 63 * free() wrapper. 64 */ 65 void 66 sort_free(void *ptr) 67 { 68 free(ptr); 69 } 70 71 /* 72 * reallocarray() wrapper. 73 */ 74 void * 75 sort_reallocarray(void *ptr, size_t nmemb, size_t size) 76 { 77 if ((ptr = reallocarray(ptr, nmemb, size)) == NULL) 78 err(2, NULL); 79 return ptr; 80 } 81 82 char * 83 sort_strdup(const char *str) 84 { 85 char *dup; 86 87 if ((dup = strdup(str)) == NULL) 88 err(2, NULL); 89 return dup; 90 } 91 92 int 93 sort_asprintf(char **ret, const char *fmt, ...) 94 { 95 int len; 96 va_list ap; 97 98 va_start(ap, fmt); 99 len = vasprintf(ret, fmt, ap); 100 va_end(ap); 101 102 if (len == -1) 103 err(2, NULL); 104 return len; 105 } 106