55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
// Copyright 2017 The Crashpad Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "util/misc/time.h"
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#include "util/numeric/safe_assignment.h"
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namespace crashpad {
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void AddTimespec(const timespec& ts1, const timespec& ts2, timespec* result) {
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result->tv_sec = ts1.tv_sec + ts2.tv_sec;
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result->tv_nsec = ts1.tv_nsec + ts2.tv_nsec;
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if (result->tv_nsec >= long{kNanosecondsPerSecond}) {
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++result->tv_sec;
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result->tv_nsec -= kNanosecondsPerSecond;
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}
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}
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void SubtractTimespec(const timespec& t1,
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const timespec& t2,
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timespec* result) {
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result->tv_sec = t1.tv_sec - t2.tv_sec;
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result->tv_nsec = t1.tv_nsec - t2.tv_nsec;
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if (result->tv_nsec < 0) {
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result->tv_sec -= 1;
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result->tv_nsec += kNanosecondsPerSecond;
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}
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}
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bool TimespecToTimeval(const timespec& ts, timeval* tv) {
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tv->tv_usec = ts.tv_nsec / 1000;
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// timespec::tv_sec and timeval::tv_sec should generally both be of type
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// time_t, however, on Windows, timeval::tv_sec is declared as a long, which
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// may be smaller than a time_t.
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return AssignIfInRange(&tv->tv_sec, ts.tv_sec);
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}
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void TimevalToTimespec(const timeval& tv, timespec* ts) {
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ts->tv_sec = tv.tv_sec;
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ts->tv_nsec = tv.tv_usec * 1000;
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}
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} // namespace crashpad
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