OSX/utilities/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