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 "Windows.h" 15 #include <time.h> 16 17 namespace llvm { 18 using namespace sys; 19 20 //===----------------------------------------------------------------------===// 21 //=== WARNING: Implementation here must contain only Win32 specific code. 22 //===----------------------------------------------------------------------===// 23 24 TimeValue TimeValue::now() { 25 uint64_t ft; 26 GetSystemTimeAsFileTime(reinterpret_cast<FILETIME *>(&ft)); 27 28 TimeValue t(0, 0); 29 t.fromWin32Time(ft); 30 return t; 31 } 32 33 std::string TimeValue::str() const { 34 struct tm *LT; 35 #ifdef __MINGW32__ 36 // Old versions of mingw don't have _localtime64_s. Remove this once we drop support 37 // for them. 38 time_t OurTime = time_t(this->toEpochTime()); 39 LT = ::localtime(&OurTime); 40 assert(LT); 41 #else 42 struct tm Storage; 43 __time64_t OurTime = this->toEpochTime(); 44 int Error = ::_localtime64_s(&Storage, &OurTime); 45 assert(!Error); 46 LT = &Storage; 47 #endif 48 49 char Buffer[25]; 50 // FIXME: the windows version of strftime doesn't support %e 51 strftime(Buffer, 25, "%b %d %H:%M %Y", LT); 52 assert((Buffer[3] == ' ' && isdigit(Buffer[5]) && Buffer[6] == ' ') || 53 "Unexpected format in strftime()!"); 54 // Emulate %e on %d to mute '0'. 55 if (Buffer[4] == '0') 56 Buffer[4] = ' '; 57 return std::string(Buffer); 58 } 59 60 61 } 62
