support/lib/System/Win32/TimeValue.inc

//===- Win32/TimeValue.cpp - Win32 TimeValue Implementation -----*- C++ -*-===//
// 
//                     The LLVM Compiler Infrastructure
//
// This file was developed by Jeff Cohen and is distributed under the 
// University of Illinois Open Source License. See LICENSE.TXT for details.
// 
//===----------------------------------------------------------------------===//
//
// This file provides the Win32 implementation of the TimeValue class.
//
//===----------------------------------------------------------------------===//

#include "Win32.h"
#include <time.h>

namespace llvm {
using namespace sys;

//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only Win32 specific code.
//===----------------------------------------------------------------------===//

TimeValue TimeValue::now() {
  uint64_t ft;
  GetSystemTimeAsFileTime(reinterpret_cast<FILETIME *>(&ft));

  TimeValue t(0, 0);
  t.fromWin32Time(ft);
  return t;
}

std::string TimeValue::toString() const {
#ifdef __MINGW32__
  // This ban may be lifted by either:
  // (i) a future MinGW version other than 1.0 inherents the __time64_t type, or
  // (ii) configure tests for either the time_t or __time64_t type.
  time_t ourTime = time_t(this->toEpochTime());
  struct tm *lt = ::localtime(&ourTime);
#else
  __time64_t ourTime = this->toEpochTime();
  struct tm *lt = ::_localtime64(&ourTime);
#endif

  char buffer[25];
  strftime(buffer, 25, "%a %b %d %H:%M:%S %Y", lt);
  return std::string(buffer);
}


}