1 //===- Win32/TimeValue.cpp - Win32 TimeValue Implementation -----*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file provides the Win32 implementation of the TimeValue class. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "WindowsSupport.h" 15 #include "llvm/Support/Format.h" 16 #include "llvm/Support/raw_ostream.h" 17 #include <cctype> 18 #include <time.h> 19 20 using namespace llvm; 21 using namespace llvm::sys; 22 23 //===----------------------------------------------------------------------===// 24 //=== WARNING: Implementation here must contain only Win32 specific code. 25 //===----------------------------------------------------------------------===// 26 27 TimeValue TimeValue::now() { 28 uint64_t ft; 29 GetSystemTimeAsFileTime(reinterpret_cast<FILETIME *>(&ft)); 30 31 TimeValue t(0, 0); 32 t.fromWin32Time(ft); 33 return t; 34 } 35 36 std::string TimeValue::str() const { 37 std::string S; 38 struct tm *LT; 39 #ifdef __MINGW32__ 40 // Old versions of mingw don't have _localtime64_s. Remove this once we drop support 41 // for them. 42 time_t OurTime = time_t(this->toEpochTime()); 43 LT = ::localtime(&OurTime); 44 assert(LT); 45 #else 46 struct tm Storage; 47 __time64_t OurTime = this->toEpochTime(); 48 int Error = ::_localtime64_s(&Storage, &OurTime); 49 assert(!Error); 50 (void)Error; 51 LT = &Storage; 52 #endif 53 54 char Buffer[sizeof("YYYY-MM-DD HH:MM:SS")]; 55 strftime(Buffer, sizeof(Buffer), "%Y-%m-%d %H:%M:%S", LT); 56 raw_string_ostream OS(S); 57 OS << format("%s.%.9u", static_cast<const char *>(Buffer), 58 this->nanoseconds()); 59 OS.flush(); 60 return S; 61 } 62
