util.c revision 1.1 
1/*	$NetBSD: util.c,v 1.1 2020/05/16 18:31:45 christos Exp $	*/
2
3/*-
4 * Copyright (c) 2001 Chris D. Faulhaber
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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30#if 0
31__FBSDID("$FreeBSD: head/bin/setfacl/util.c 332396 2018-04-10 23:29:57Z emaste $");
32#else
33__RCSID("$NetBSD: util.c,v 1.1 2020/05/16 18:31:45 christos Exp $");
34#endif
35
36#include <err.h>
37#include <stdlib.h>
38#include <string.h>
39
40#include "setfacl.h"
41
42void *
43zmalloc(size_t size)
44{
45	void *ptr;
46
47	ptr = calloc(1, size);
48	if (ptr == NULL)
49		err(1, "calloc() failed");
50	return (ptr);
51}
52
53void *
54zrealloc(void *ptr, size_t size)
55{
56	void *newptr;
57
58	newptr = realloc(ptr, size);
59	if (newptr == NULL)
60		err(1, "realloc() failed");
61	return (newptr);
62}
63
64const char *
65brand_name(int brand)
66{
67	switch (brand) {
68	case ACL_BRAND_NFS4:
69		return "NFSv4";
70	case ACL_BRAND_POSIX:
71		return "POSIX.1e";
72	default:
73		return "unknown";
74	}
75}
76
77int
78branding_mismatch(int brand1, int brand2)
79{
80	if (brand1 == ACL_BRAND_UNKNOWN || brand2 == ACL_BRAND_UNKNOWN)
81		return (0);
82	if (brand1 != brand2)
83		return (1);
84	return (0);
85}
86