1*22028508SToomas Soome /*-
2*22028508SToomas Soome * Copyright (c) 2002,2005 Marcel Moolenaar
3*22028508SToomas Soome * Copyright (c) 2002 Hiten Mahesh Pandya
4*22028508SToomas Soome * All rights reserved.
5*22028508SToomas Soome *
6*22028508SToomas Soome * Redistribution and use in source and binary forms, with or without
7*22028508SToomas Soome * modification, are permitted provided that the following conditions
8*22028508SToomas Soome * are met:
9*22028508SToomas Soome * 1. Redistributions of source code must retain the above copyright
10*22028508SToomas Soome * notice, this list of conditions and the following disclaimer.
11*22028508SToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
12*22028508SToomas Soome * notice, this list of conditions and the following disclaimer in the
13*22028508SToomas Soome * documentation and/or other materials provided with the distribution.
14*22028508SToomas Soome *
15*22028508SToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16*22028508SToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17*22028508SToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18*22028508SToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19*22028508SToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20*22028508SToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21*22028508SToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22*22028508SToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23*22028508SToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24*22028508SToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25*22028508SToomas Soome * SUCH DAMAGE.
26*22028508SToomas Soome *
27*22028508SToomas Soome * $FreeBSD$
28*22028508SToomas Soome */
29*22028508SToomas Soome
30*22028508SToomas Soome #include <string.h>
31*22028508SToomas Soome #include <uuid.h>
32*22028508SToomas Soome
33*22028508SToomas Soome /*
34*22028508SToomas Soome * uuid_equal() - compare for equality.
35*22028508SToomas Soome * See also:
36*22028508SToomas Soome * http://www.opengroup.org/onlinepubs/009629399/uuid_equal.htm
37*22028508SToomas Soome */
38*22028508SToomas Soome int32_t
uuid_equal(const uuid_t * a,const uuid_t * b,uint32_t * status)39*22028508SToomas Soome uuid_equal(const uuid_t *a, const uuid_t *b, uint32_t *status)
40*22028508SToomas Soome {
41*22028508SToomas Soome
42*22028508SToomas Soome if (status != NULL)
43*22028508SToomas Soome *status = uuid_s_ok;
44*22028508SToomas Soome
45*22028508SToomas Soome /* Deal with equal or NULL pointers. */
46*22028508SToomas Soome if (a == b)
47*22028508SToomas Soome return (1);
48*22028508SToomas Soome if (a == NULL)
49*22028508SToomas Soome return (uuid_is_nil(b, NULL));
50*22028508SToomas Soome if (b == NULL)
51*22028508SToomas Soome return (uuid_is_nil(a, NULL));
52*22028508SToomas Soome
53*22028508SToomas Soome /* Do a byte for byte comparison. */
54*22028508SToomas Soome return ((memcmp(a, b, sizeof(uuid_t))) ? 0 : 1);
55*22028508SToomas Soome }
56