RTR3DECL(int) RTFileSetTimes(RTFILE hFile, PCRTTIMESPEC pAccessTime, PCRTTIMESPEC pModificationTime,
PCRTTIMESPEC pChangeTime, PCRTTIMESPEC pBirthTime)
{
if (!pAccessTime && !pModificationTime && !pBirthTime)
return VINF_SUCCESS; /* NOP */
FILETIME CreationTimeFT;
PFILETIME pCreationTimeFT = NULL;
if (pBirthTime)
pCreationTimeFT = RTTimeSpecGetNtFileTime(pBirthTime, &CreationTimeFT);
FILETIME LastAccessTimeFT;
PFILETIME pLastAccessTimeFT = NULL;
if (pAccessTime)
pLastAccessTimeFT = RTTimeSpecGetNtFileTime(pAccessTime, &LastAccessTimeFT);
FILETIME LastWriteTimeFT;
PFILETIME pLastWriteTimeFT = NULL;
if (pModificationTime)
pLastWriteTimeFT = RTTimeSpecGetNtFileTime(pModificationTime, &LastWriteTimeFT);
int rc = VINF_SUCCESS;
if (!SetFileTime((HANDLE)RTFileToNative(hFile), pCreationTimeFT, pLastAccessTimeFT, pLastWriteTimeFT))
{
DWORD Err = GetLastError();
rc = RTErrConvertFromWin32(Err);
Log(("RTFileSetTimes(%RTfile, %p, %p, %p, %p): SetFileTime failed with lasterr %d (%Rrc)\n",
hFile, pAccessTime, pModificationTime, pChangeTime, pBirthTime, Err, rc));
}
return rc;
}
RTDECL(int) RTTimeSet(PCRTTIMESPEC pTime)
{
FILETIME FileTime;
SYSTEMTIME SysTime;
if (FileTimeToSystemTime(RTTimeSpecGetNtFileTime(pTime, &FileTime), &SysTime))
{
if (SetSystemTime(&SysTime))
return VINF_SUCCESS;
}
return RTErrConvertFromWin32(GetLastError());
}
RTDECL(PRTTIME) RTTimeLocalExplode(PRTTIME pTime, PCRTTIMESPEC pTimeSpec)
{
/*
* FileTimeToLocalFileTime does not do the right thing, so we'll have
* to convert to system time and SystemTimeToTzSpecificLocalTime instead.
*/
RTTIMESPEC LocalTime;
SYSTEMTIME SystemTimeIn;
FILETIME FileTime;
if (FileTimeToSystemTime(RTTimeSpecGetNtFileTime(pTimeSpec, &FileTime), &SystemTimeIn))
{
SYSTEMTIME SystemTimeOut;
if (SystemTimeToTzSpecificLocalTime(NULL /* use current TZI */,
&SystemTimeIn,
&SystemTimeOut))
{
if (SystemTimeToFileTime(&SystemTimeOut, &FileTime))
{
RTTimeSpecSetNtFileTime(&LocalTime, &FileTime);
pTime = RTTimeExplode(pTime, &LocalTime);
if (pTime)
pTime->fFlags = (pTime->fFlags & ~RTTIME_FLAGS_TYPE_MASK) | RTTIME_FLAGS_TYPE_LOCAL;
return pTime;
}
}
}
/*
* The fallback is to use the current offset.
* (A better fallback would be to use the offset of the same time of the year.)
*/
LocalTime = *pTimeSpec;
RTTimeSpecAddNano(&LocalTime, RTTimeLocalDeltaNano());
pTime = RTTimeExplode(pTime, &LocalTime);
if (pTime)
pTime->fFlags = (pTime->fFlags & ~RTTIME_FLAGS_TYPE_MASK) | RTTIME_FLAGS_TYPE_LOCAL;
return pTime;
}
RTR3DECL(int) RTPathSetTimesEx(const char *pszPath, PCRTTIMESPEC pAccessTime, PCRTTIMESPEC pModificationTime,
PCRTTIMESPEC pChangeTime, PCRTTIMESPEC pBirthTime, uint32_t fFlags)
{
/*
* Validate input.
*/
AssertPtrReturn(pszPath, VERR_INVALID_POINTER);
AssertReturn(*pszPath, VERR_INVALID_PARAMETER);
AssertPtrNullReturn(pAccessTime, VERR_INVALID_POINTER);
AssertPtrNullReturn(pModificationTime, VERR_INVALID_POINTER);
AssertPtrNullReturn(pChangeTime, VERR_INVALID_POINTER);
AssertPtrNullReturn(pBirthTime, VERR_INVALID_POINTER);
AssertMsgReturn(RTPATH_F_IS_VALID(fFlags, 0), ("%#x\n", fFlags), VERR_INVALID_PARAMETER);
/*
* Convert the path.
*/
PRTUTF16 pwszPath;
int rc = RTStrToUtf16(pszPath, &pwszPath);
if (RT_SUCCESS(rc))
{
HANDLE hFile;
if (fFlags & RTPATH_F_FOLLOW_LINK)
hFile = CreateFileW(pwszPath,
FILE_WRITE_ATTRIBUTES, /* dwDesiredAccess */
FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE, /* dwShareMode */
NULL, /* security attribs */
OPEN_EXISTING, /* dwCreationDisposition */
FILE_FLAG_BACKUP_SEMANTICS | FILE_ATTRIBUTE_NORMAL,
NULL);
else
{
/** @todo Symlink: Test RTPathSetTimesEx on Windows. (The code is disabled
* because it's not tested yet.) */
#if 0 //def FILE_FLAG_OPEN_REPARSE_POINT
hFile = CreateFileW(pwszPath,
FILE_WRITE_ATTRIBUTES, /* dwDesiredAccess */
FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE, /* dwShareMode */
NULL, /* security attribs */
OPEN_EXISTING, /* dwCreationDisposition */
FILE_FLAG_BACKUP_SEMANTICS | FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OPEN_REPARSE_POINT,
NULL);
if (hFile == INVALID_HANDLE_VALUE && GetLastError() == ERROR_INVALID_PARAMETER)
#endif
hFile = CreateFileW(pwszPath,
FILE_WRITE_ATTRIBUTES, /* dwDesiredAccess */
FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE, /* dwShareMode */
NULL, /* security attribs */
OPEN_EXISTING, /* dwCreationDisposition */
FILE_FLAG_BACKUP_SEMANTICS | FILE_ATTRIBUTE_NORMAL,
NULL);
}
if (hFile != INVALID_HANDLE_VALUE)
{
/*
* Check if it's a no-op.
*/
if (!pAccessTime && !pModificationTime && !pBirthTime)
rc = VINF_SUCCESS; /* NOP */
else
{
/*
* Convert the input and call the API.
*/
FILETIME CreationTimeFT;
PFILETIME pCreationTimeFT = NULL;
if (pBirthTime)
pCreationTimeFT = RTTimeSpecGetNtFileTime(pBirthTime, &CreationTimeFT);
FILETIME LastAccessTimeFT;
PFILETIME pLastAccessTimeFT = NULL;
if (pAccessTime)
pLastAccessTimeFT = RTTimeSpecGetNtFileTime(pAccessTime, &LastAccessTimeFT);
FILETIME LastWriteTimeFT;
PFILETIME pLastWriteTimeFT = NULL;
if (pModificationTime)
pLastWriteTimeFT = RTTimeSpecGetNtFileTime(pModificationTime, &LastWriteTimeFT);
if (SetFileTime(hFile, pCreationTimeFT, pLastAccessTimeFT, pLastWriteTimeFT))
rc = VINF_SUCCESS;
else
{
DWORD Err = GetLastError();
rc = RTErrConvertFromWin32(Err);
Log(("RTPathSetTimes('%s', %p, %p, %p, %p): SetFileTime failed with lasterr %d (%Rrc)\n",
pszPath, pAccessTime, pModificationTime, pChangeTime, pBirthTime, Err, rc));
}
}
BOOL fRc = CloseHandle(hFile); Assert(fRc); NOREF(fRc);
}
else
{
DWORD Err = GetLastError();
rc = RTErrConvertFromWin32(Err);
Log(("RTPathSetTimes('%s',,,,): failed with %Rrc and lasterr=%u\n", pszPath, rc, Err));
}
RTUtf16Free(pwszPath);
}
LogFlow(("RTPathSetTimes(%p:{%s}, %p:{%RDtimespec}, %p:{%RDtimespec}, %p:{%RDtimespec}, %p:{%RDtimespec}): return %Rrc\n",
pszPath, pszPath, pAccessTime, pAccessTime, pModificationTime, pModificationTime,
pChangeTime, pChangeTime, pBirthTime, pBirthTime));
return rc;
}
