119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* 219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * isnull.c --- Check whether or not the UUID is null 33984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * 419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Copyright (C) 1996, 1997 Theodore Ts'o. 519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * 619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * %Begin-Header% 719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * Redistribution and use in source and binary forms, with or without 819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * modification, are permitted provided that the following conditions 919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * are met: 1019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 1119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * notice, and the entire permission notice in its entirety, 1219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * including the disclaimer of warranties. 1319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 1419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 1519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * documentation and/or other materials provided with the distribution. 1619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * 3. The name of the author may not be used to endorse or promote 1719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * products derived from this software without specific prior 1819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * written permission. 193984b61df41c68966bdfbb2a5e5a45ef4b9a536cDmitry Shmidt * 2019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 2119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 2219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF 2319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * WHICH ARE HEREBY DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE 2419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 2619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 2719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 2819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 3019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH 3119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * DAMAGE. 3219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project * %End-Header% 3319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project */ 3419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 3519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project#include "uuidP.h" 3619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 3719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project/* Returns 1 if the uuid is the NULL uuid */ 3819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Projectint uuid_is_null(const uuid_t uu) 3919dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project{ 4019dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project const unsigned char *cp; 4119dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project int i; 4219dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 4319dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project for (i=0, cp = uu; i < 16; i++) 4419dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project if (*cp++) 4519dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 0; 4619dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project return 1; 4719dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project} 4819dacda2b02bb08c0ffb649f84526b249c749279The Android Open Source Project 49