1*4a5d661aSToomas Soome /*-
2*4a5d661aSToomas Soome * Copyright (c) 2002,2005 Marcel Moolenaar
3*4a5d661aSToomas Soome * Copyright (c) 2002 Hiten Mahesh Pandya
4*4a5d661aSToomas Soome * All rights reserved.
5*4a5d661aSToomas Soome *
6*4a5d661aSToomas Soome * Redistribution and use in source and binary forms, with or without
7*4a5d661aSToomas Soome * modification, are permitted provided that the following conditions
8*4a5d661aSToomas Soome * are met:
9*4a5d661aSToomas Soome * 1. Redistributions of source code must retain the above copyright
10*4a5d661aSToomas Soome * notice, this list of conditions and the following disclaimer.
11*4a5d661aSToomas Soome * 2. Redistributions in binary form must reproduce the above copyright
12*4a5d661aSToomas Soome * notice, this list of conditions and the following disclaimer in the
13*4a5d661aSToomas Soome * documentation and/or other materials provided with the distribution.
14*4a5d661aSToomas Soome *
15*4a5d661aSToomas Soome * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16*4a5d661aSToomas Soome * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17*4a5d661aSToomas Soome * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18*4a5d661aSToomas Soome * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19*4a5d661aSToomas Soome * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20*4a5d661aSToomas Soome * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21*4a5d661aSToomas Soome * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22*4a5d661aSToomas Soome * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23*4a5d661aSToomas Soome * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24*4a5d661aSToomas Soome * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25*4a5d661aSToomas Soome * SUCH DAMAGE.
26*4a5d661aSToomas Soome *
27*4a5d661aSToomas Soome * $FreeBSD$
28*4a5d661aSToomas Soome */
29*4a5d661aSToomas Soome
30*4a5d661aSToomas Soome #include <string.h>
31*4a5d661aSToomas Soome #include <uuid.h>
32*4a5d661aSToomas Soome
33*4a5d661aSToomas Soome /*
34*4a5d661aSToomas Soome * uuid_equal() - compare for equality.
35*4a5d661aSToomas Soome * See also:
36*4a5d661aSToomas Soome * http://www.opengroup.org/onlinepubs/009629399/uuid_equal.htm
37*4a5d661aSToomas Soome */
38*4a5d661aSToomas Soome int32_t
uuid_equal(const uuid_t * a,const uuid_t * b,uint32_t * status)39*4a5d661aSToomas Soome uuid_equal(const uuid_t *a, const uuid_t *b, uint32_t *status)
40*4a5d661aSToomas Soome {
41*4a5d661aSToomas Soome
42*4a5d661aSToomas Soome if (status != NULL)
43*4a5d661aSToomas Soome *status = uuid_s_ok;
44*4a5d661aSToomas Soome
45*4a5d661aSToomas Soome /* Deal with equal or NULL pointers. */
46*4a5d661aSToomas Soome if (a == b)
47*4a5d661aSToomas Soome return (1);
48*4a5d661aSToomas Soome if (a == NULL)
49*4a5d661aSToomas Soome return (uuid_is_nil(b, NULL));
50*4a5d661aSToomas Soome if (b == NULL)
51*4a5d661aSToomas Soome return (uuid_is_nil(a, NULL));
52*4a5d661aSToomas Soome
53*4a5d661aSToomas Soome /* Do a byte for byte comparison. */
54*4a5d661aSToomas Soome return ((memcmp(a, b, sizeof(uuid_t))) ? 0 : 1);
55*4a5d661aSToomas Soome }
56