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-rw-r--r--third_party/libjingle/files/talk/base/time.cc91
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diff --git a/third_party/libjingle/files/talk/base/time.cc b/third_party/libjingle/files/talk/base/time.cc
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-/*
- * libjingle
- * Copyright 2004--2005, Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <iostream>
-#include <cstdlib>
-#include <cstring>
-
-#include "talk/base/time.h"
-
-namespace talk_base {
-
-#ifdef POSIX
-#include <sys/time.h>
-uint32 Time() {
- struct timeval tv;
- gettimeofday(&tv, 0);
- return tv.tv_sec * 1000 + tv.tv_usec / 1000;
-}
-#endif
-
-#ifdef WIN32
-#include <windows.h>
-uint32 Time() {
- return GetTickCount();
-}
-#endif
-
-uint32 StartTime() {
- // Close to program execution time
- static const uint32 g_start = Time();
- return g_start;
-}
-
-// Make sure someone calls it so that it gets initialized
-static uint32 ignore = StartTime();
-
-uint32 ElapsedTime() {
- return TimeDiff(Time(), StartTime());
-}
-
-bool TimeIsBetween(uint32 later, uint32 middle, uint32 earlier) {
- if (earlier <= later) {
- return ((earlier <= middle) && (middle <= later));
- } else {
- return !((later < middle) && (middle < earlier));
- }
-}
-
-int32 TimeDiff(uint32 later, uint32 earlier) {
- uint32 LAST = 0xFFFFFFFF;
- uint32 HALF = 0x80000000;
- if (TimeIsBetween(earlier + HALF, later, earlier)) {
- if (earlier <= later) {
- return static_cast<long>(later - earlier);
- } else {
- return static_cast<long>(later + (LAST - earlier) + 1);
- }
- } else {
- if (later <= earlier) {
- return -static_cast<long>(earlier - later);
- } else {
- return -static_cast<long>(earlier + (LAST - later) + 1);
- }
- }
-}
-
-} // namespace talk_base