xref: /freebsd/bin/setfacl/util.c (revision 89e3d5671ba13dceca272d5b159c9bd805f3f504)
1 /*-
2  * Copyright (c) 2001 Chris D. Faulhaber
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <err.h>
31 #include <stdlib.h>
32 
33 #include "setfacl.h"
34 
35 void *
36 zmalloc(size_t size)
37 {
38 	void *ptr;
39 
40 	ptr = calloc(1, size);
41 	if (ptr == NULL)
42 		err(1, "calloc() failed");
43 	return (ptr);
44 }
45 
46 void *
47 zrealloc(void *ptr, size_t size)
48 {
49 	void *newptr;
50 
51 	newptr = realloc(ptr, size);
52 	if (newptr == NULL)
53 		err(1, "realloc() failed");
54 	return (newptr);
55 }
56 
57 const char *
58 brand_name(int brand)
59 {
60 	switch (brand) {
61 	case ACL_BRAND_NFS4:
62 		return "NFSv4";
63 	case ACL_BRAND_POSIX:
64 		return "POSIX.1e";
65 	default:
66 		return "unknown";
67 	}
68 }
69 
70 int
71 branding_mismatch(int brand1, int brand2)
72 {
73 	if (brand1 == ACL_BRAND_UNKNOWN || brand2 == ACL_BRAND_UNKNOWN)
74 		return (0);
75 	if (brand1 != brand2)
76 		return (1);
77 	return (0);
78 }
79