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//===- Unix/TimeValue.cpp - Unix TimeValue Implementation -------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the Unix specific portion of the TimeValue class.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only generic UNIX code that
//=== is guaranteed to work on *all* UNIX variants.
//===----------------------------------------------------------------------===//
#include "Unix.h"
namespace llvm {
using namespace sys;
std::string TimeValue::str() const {
time_t OurTime = time_t(this->toEpochTime());
struct tm Storage;
struct tm *LT = ::localtime_r(&OurTime, &Storage);
assert(LT);
char Buffer[25];
strftime(Buffer, 25, "%b %e %H:%M %Y", LT);
return std::string(Buffer);
}
TimeValue TimeValue::now() {
struct timeval the_time;
timerclear(&the_time);
if (0 != ::gettimeofday(&the_time,0)) {
// This is *really* unlikely to occur because the only gettimeofday
// errors concern the timezone parameter which we're passing in as 0.
// In the unlikely case it does happen, just return MinTime, no error
// message needed.
return MinTime;
}
return TimeValue(
static_cast<TimeValue::SecondsType>( the_time.tv_sec +
PosixZeroTimeSeconds ),
static_cast<TimeValue::NanoSecondsType>( the_time.tv_usec *
NANOSECONDS_PER_MICROSECOND ) );
}
}
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