SecTrace.c
1 /* 2 * Copyright (c) 2016 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 #include "SecTrace.h" 25 26 27 static int64_t 28 SecBucketNSignificant(int64_t value, int64_t n) 29 { 30 uint64_t factor = 1; 31 while (value > n) { 32 value /= 10; 33 factor *= 10; 34 } 35 return factor * value; 36 } 37 38 int64_t 39 SecBucket1Significant(int64_t value) 40 { 41 return SecBucketNSignificant(value, 10); 42 } 43 44 int64_t 45 SecBucket2Significant(int64_t value) 46 { 47 return SecBucketNSignificant(value, 100); 48 } 49