mame/3rdparty/lzma/CPP/Windows/TimeUtils.h

147 lines
4.0 KiB
C++

// Windows/TimeUtils.h
#ifndef __WINDOWS_TIME_UTILS_H
#define __WINDOWS_TIME_UTILS_H
#include "../Common/MyTypes.h"
#include "../Common/MyWindows.h"
#include "PropVariant.h"
inline UInt64 FILETIME_To_UInt64(const FILETIME &ft)
{
return (((UInt64)ft.dwHighDateTime) << 32) + ft.dwLowDateTime;
}
inline void FILETIME_Clear(FILETIME &ft)
{
ft.dwLowDateTime = 0;
ft.dwHighDateTime = 0;
}
inline bool FILETIME_IsZero(const FILETIME &ft)
{
return (ft.dwHighDateTime == 0 && ft.dwLowDateTime == 0);
}
#ifdef _WIN32
#define CFiTime FILETIME
#define Compare_FiTime ::CompareFileTime
inline void FiTime_To_FILETIME(const CFiTime &ts, FILETIME &ft)
{
ft = ts;
}
/*
inline void FILETIME_To_FiTime(const FILETIME &ft, CFiTime &ts)
{
ts = ft;
}
*/
inline void FiTime_Clear(CFiTime &ft)
{
ft.dwLowDateTime = 0;
ft.dwHighDateTime = 0;
}
#else
#include <sys/stat.h>
#if defined(_AIX)
#define CFiTime st_timespec
#else
#define CFiTime timespec
#endif
int Compare_FiTime(const CFiTime *a1, const CFiTime *a2);
bool FILETIME_To_timespec(const FILETIME &ft, CFiTime &ts);
void FiTime_To_FILETIME(const CFiTime &ts, FILETIME &ft);
void FiTime_To_FILETIME_ns100(const CFiTime &ts, FILETIME &ft, unsigned &ns100);
inline void FiTime_Clear(CFiTime &ft)
{
ft.tv_sec = 0;
ft.tv_nsec = 0;
}
#ifdef __APPLE__
#define ST_MTIME(st) st.st_mtimespec
#define ST_ATIME(st) st.st_atimespec
#define ST_CTIME(st) st.st_ctimespec
#else
#define ST_MTIME(st) st.st_mtim
#define ST_ATIME(st) st.st_atim
#define ST_CTIME(st) st.st_ctim
#endif
#endif
// void FiTime_Normalize_With_Prec(CFiTime &ft, unsigned prec);
namespace NWindows {
namespace NTime {
bool DosTime_To_FileTime(UInt32 dosTime, FILETIME &fileTime) throw();
bool UtcFileTime_To_LocalDosTime(const FILETIME &utc, UInt32 &dosTime) throw();
bool FileTime_To_DosTime(const FILETIME &fileTime, UInt32 &dosTime) throw();
// UInt32 Unix Time : for dates 1970-2106
UInt64 UnixTime_To_FileTime64(UInt32 unixTime) throw();
void UnixTime_To_FileTime(UInt32 unixTime, FILETIME &fileTime) throw();
// Int64 Unix Time : negative values for dates before 1970
UInt64 UnixTime64_To_FileTime64(Int64 unixTime) throw(); // no check
bool UnixTime64_To_FileTime64(Int64 unixTime, UInt64 &fileTime) throw();
bool UnixTime64_To_FileTime(Int64 unixTime, FILETIME &fileTime) throw();
Int64 FileTime64_To_UnixTime64(UInt64 ft64) throw();
bool FileTime_To_UnixTime(const FILETIME &fileTime, UInt32 &unixTime) throw();
Int64 FileTime_To_UnixTime64(const FILETIME &ft) throw();
Int64 FileTime_To_UnixTime64_and_Quantums(const FILETIME &ft, UInt32 &quantums) throw();
bool GetSecondsSince1601(unsigned year, unsigned month, unsigned day,
unsigned hour, unsigned min, unsigned sec, UInt64 &resSeconds) throw();
void GetCurUtc_FiTime(CFiTime &ft) throw();
#ifdef _WIN32
#define GetCurUtcFileTime GetCurUtc_FiTime
#else
void GetCurUtcFileTime(FILETIME &ft) throw();
#endif
}}
inline void PropVariant_SetFrom_UnixTime(NWindows::NCOM::CPropVariant &prop, UInt32 unixTime)
{
FILETIME ft;
NWindows::NTime::UnixTime_To_FileTime(unixTime, ft);
prop.SetAsTimeFrom_FT_Prec(ft, k_PropVar_TimePrec_Unix);
}
inline void PropVariant_SetFrom_NtfsTime(NWindows::NCOM::CPropVariant &prop, const FILETIME &ft)
{
prop.SetAsTimeFrom_FT_Prec(ft, k_PropVar_TimePrec_100ns);
}
inline void PropVariant_SetFrom_FiTime(NWindows::NCOM::CPropVariant &prop, const CFiTime &fts)
{
#ifdef _WIN32
PropVariant_SetFrom_NtfsTime(prop, fts);
#else
unsigned ns100;
FILETIME ft;
FiTime_To_FILETIME_ns100(fts, ft, ns100);
prop.SetAsTimeFrom_FT_Prec_Ns100(ft, k_PropVar_TimePrec_1ns, ns100);
#endif
}
inline bool PropVariant_SetFrom_DosTime(NWindows::NCOM::CPropVariant &prop, UInt32 dosTime)
{
FILETIME localFileTime, utc;
if (!NWindows::NTime::DosTime_To_FileTime(dosTime, localFileTime))
return false;
if (!LocalFileTimeToFileTime(&localFileTime, &utc))
return false;
prop.SetAsTimeFrom_FT_Prec(utc, k_PropVar_TimePrec_DOS);
return true;
}
#endif