xref: /freebsd/bin/setfacl/util.c (revision 1d386b48a555f61cb7325543adbbb5c3f3407a66)
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 #include <err.h>
29 #include <stdlib.h>
30 
31 #include "setfacl.h"
32 
33 void *
zmalloc(size_t size)34 zmalloc(size_t size)
35 {
36 	void *ptr;
37 
38 	ptr = calloc(1, size);
39 	if (ptr == NULL)
40 		err(1, "calloc() failed");
41 	return (ptr);
42 }
43 
44 void *
zrealloc(void * ptr,size_t size)45 zrealloc(void *ptr, size_t size)
46 {
47 	void *newptr;
48 
49 	newptr = realloc(ptr, size);
50 	if (newptr == NULL)
51 		err(1, "realloc() failed");
52 	return (newptr);
53 }
54 
55 const char *
brand_name(int brand)56 brand_name(int brand)
57 {
58 	switch (brand) {
59 	case ACL_BRAND_NFS4:
60 		return "NFSv4";
61 	case ACL_BRAND_POSIX:
62 		return "POSIX.1e";
63 	default:
64 		return "unknown";
65 	}
66 }
67 
68 int
branding_mismatch(int brand1,int brand2)69 branding_mismatch(int brand1, int brand2)
70 {
71 	if (brand1 == ACL_BRAND_UNKNOWN || brand2 == ACL_BRAND_UNKNOWN)
72 		return (0);
73 	if (brand1 != brand2)
74 		return (1);
75 	return (0);
76 }
77