11e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o/* 21e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * compare.c --- compare whether or not two UUID's are the same 31e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * 41e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * Returns 0 if the two UUID's are different, and 1 if they are the same. 5efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o * 619c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o * Copyright (C) 1996, 1997 Theodore Ts'o. 719c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o * 819c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o * %Begin-Header% 91bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * Redistribution and use in source and binary forms, with or without 101bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * modification, are permitted provided that the following conditions 111bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * are met: 121bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * 1. Redistributions of source code must retain the above copyright 131bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * notice, and the entire permission notice in its entirety, 141bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * including the disclaimer of warranties. 151bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * 2. Redistributions in binary form must reproduce the above copyright 161bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * notice, this list of conditions and the following disclaimer in the 171bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * documentation and/or other materials provided with the distribution. 181bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * 3. The name of the author may not be used to endorse or promote 191bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * products derived from this software without specific prior 201bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * written permission. 21efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o * 221bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 231bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 241bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF 251bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE 261bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 271bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 281bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 291bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 301bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 311bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 321bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH 331bbfec624c4bbe767060a13762aa9a656536a4fdTheodore Ts'o * DAMAGE. 3419c78dc07fce2d6f39b5e541562afc3ca1ea38ffTheodore Ts'o * %End-Header% 351e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o */ 361e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 371e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#include "uuidP.h" 38b1416db3227b4b7192ee0d2d3ff6e00e92e9d3e2Theodore Ts'o#include <string.h> 391e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 40ffd3af5874950a38f4e383331a5a332e40cabf80Theodore Ts'o#define UUCMP(u1,u2) if (u1 != u2) return((u1 < u2) ? -1 : 1); 41ffd3af5874950a38f4e383331a5a332e40cabf80Theodore Ts'o 42ce2722f86de298ad1a8965f55a453b5723d2b2b9Theodore Ts'oint uuid_compare(const uuid_t uu1, const uuid_t uu2) 431e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o{ 44ffd3af5874950a38f4e383331a5a332e40cabf80Theodore Ts'o struct uuid uuid1, uuid2; 45ffd3af5874950a38f4e383331a5a332e40cabf80Theodore Ts'o 46ffd3af5874950a38f4e383331a5a332e40cabf80Theodore Ts'o uuid_unpack(uu1, &uuid1); 47ffd3af5874950a38f4e383331a5a332e40cabf80Theodore Ts'o uuid_unpack(uu2, &uuid2); 481e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 49ffd3af5874950a38f4e383331a5a332e40cabf80Theodore Ts'o UUCMP(uuid1.time_low, uuid2.time_low); 50ffd3af5874950a38f4e383331a5a332e40cabf80Theodore Ts'o UUCMP(uuid1.time_mid, uuid2.time_mid); 51ffd3af5874950a38f4e383331a5a332e40cabf80Theodore Ts'o UUCMP(uuid1.time_hi_and_version, uuid2.time_hi_and_version); 52ffd3af5874950a38f4e383331a5a332e40cabf80Theodore Ts'o UUCMP(uuid1.clock_seq, uuid2.clock_seq); 53ffd3af5874950a38f4e383331a5a332e40cabf80Theodore Ts'o return memcmp(uuid1.node, uuid2.node, 6); 541e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o} 551e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 56