1/* 2 * Copyright (c) 2012,2014 Apple Inc. All Rights Reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23 24 25#ifndef utilities_comparison_h 26#define utilities_comparison_h 27 28#define MIN(a, b) ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a <= _b ? _a : _b; }) 29#define MAX(a, b) ({ __typeof__ (a) _a = (a); __typeof__ (b) _b = (b); _a >= _b ? _a : _b; }) 30 31uint64_t constant_memcmp(const uint8_t *first, const uint8_t *second, size_t count); 32 33#endif 34