1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include "private/bionic_time_conversions.h"
30
31bool timespec_from_timeval(timespec& ts, const timeval& tv) {
32  // Whole seconds can just be copied.
33  ts.tv_sec = tv.tv_sec;
34
35  // But we might overflow when converting microseconds to nanoseconds.
36  if (tv.tv_usec >= 1000000 || tv.tv_usec < 0) {
37    return false;
38  }
39  ts.tv_nsec = tv.tv_usec * 1000;
40  return true;
41}
42
43void timespec_from_ms(timespec& ts, const int ms) {
44  ts.tv_sec = ms / 1000;
45  ts.tv_nsec = (ms % 1000) * 1000000;
46}
47
48void timeval_from_timespec(timeval& tv, const timespec& ts) {
49  tv.tv_sec = ts.tv_sec;
50  tv.tv_usec = ts.tv_nsec / 1000;
51}
52