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 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