/* * Copyright (c) 2010-2013 Apple Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * HostUUID.c * - get the host UUID */ /* * Modification History * * April 11, 2013 * - created (split out from DHCPDUIDIAID.c) */ #include <unistd.h> #include "HostUUID.h" #include "symbol_scope.h" #include "cfutil.h" PRIVATE_EXTERN CFDataRef HostUUIDGet(void) { STATIC CFMutableDataRef host_UUID; struct timespec ts = { 0, 0 }; if (host_UUID != NULL) { return (host_UUID); } host_UUID = CFDataCreateMutable(NULL, sizeof(uuid_t)); CFDataSetLength(host_UUID, sizeof(uuid_t)); if (gethostuuid(CFDataGetMutableBytePtr(host_UUID), &ts) != 0) { my_CFRelease(&host_UUID); } return (host_UUID); }