view release on metacpan or  search on metacpan

unzip-6.0/wince/wince.cpp  view on Meta::CPAN

   TCHAR szPath[_MAX_PATH];
   MBSTOTSTR(szPath, path, countof(szPath));
   HANDLE hFind = FindFirstFile(szPath, &w32fd);

   // Bail out now if we could not find the file/directory.
   if (hFind == INVALID_HANDLE_VALUE) {
      return -1;
   }

   // Close the find.
   FindClose(hFind);

   // Mode flags that are currently used: S_IWRITE, S_IFMT, S_IFDIR, S_IEXEC
   if (w32fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
      buffer->st_mode = _S_IFDIR | _S_IREAD | _S_IEXEC;
   } else {
      buffer->st_mode = _S_IFREG | _S_IREAD;
   }
   if (!(w32fd.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) {
      buffer->st_mode |= _S_IWRITE;
   }

   // Store the file size.
   buffer->st_size  = (_off_t)w32fd.nFileSizeLow;

   // Convert the modified FILETIME to a time_t and store it.
   DWORDLONG dwl = *(DWORDLONG*)&w32fd.ftLastWriteTime;
   buffer->st_mtime = (time_t)((dwl - (DWORDLONG)116444736000000000) / (DWORDLONG)10000000);

   return 0;
}

//******************************************************************************
//***** TIME.H functions
//******************************************************************************

// Evaluates to TRUE if 'y' is a leap year, otherwise FALSE
// #define IS_LEAP_YEAR(y) ((((y) % 4 == 0) && ((y) % 100 != 0)) || ((y) % 400 == 0))

// The macro below is a reduced version of the above macro.  It is valid for
// years between 1901 and 2099 which easily includes all years representable
// by the current implementation of time_t.
#define IS_LEAP_YEAR(y) (((y) & 3) == 0)

#define BASE_DOW          4                  // 1/1/1970 was a Thursday.
#define SECONDS_IN_A_DAY  (24L * 60L * 60L)  // Number of seconds in one day.

// Month to Year Day conversion array.
int M2YD[] = {
   0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365
};

// Month to Leap Year Day conversion array.
int M2LYD[] = {
   0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366
};

//******************************************************************************
//-- Called from list.c
struct tm * __cdecl localtime(const time_t *timer) {

   // Return value for localtime().  Source currently never references
   // more than one "tm" at a time, so the single return structure is ok.
   static struct tm g_tm;
   ZeroMemory(&g_tm, sizeof(g_tm));

   // Get our time zone information.
   TIME_ZONE_INFORMATION tzi;
   SafeGetTimeZoneInformation(&tzi);

   // Create a time_t that has been corrected for our time zone.
   time_t localTime = *timer - (tzi.Bias * 60L);

   // Decide if value is in Daylight Savings Time.
   if (g_tm.tm_isdst = (int)IsDST(&tzi, localTime)) {
      localTime -= tzi.DaylightBias * 60L; // usually 60 minutes
   } else {
      localTime -= tzi.StandardBias * 60L; // usually  0 minutes
   }

   // time_t   is a 32-bit value for the seconds since January 1, 1970
   // FILETIME is a 64-bit value for the number of 100-nanosecond intervals
   //          since January 1, 1601

   // Compute the FILETIME for the given local time.
   DWORDLONG dwl = ((DWORDLONG)116444736000000000 +
                   ((DWORDLONG)localTime * (DWORDLONG)10000000));
   FILETIME ft = *(FILETIME*)&dwl;

   // Convert the FILETIME to a SYSTEMTIME.
   SYSTEMTIME st;
   ZeroMemory(&st, sizeof(st));
   FileTimeToSystemTime(&ft, &st);

   // Finish filling in our "tm" structure.
   g_tm.tm_sec  = (int)st.wSecond;
   g_tm.tm_min  = (int)st.wMinute;
   g_tm.tm_hour = (int)st.wHour;
   g_tm.tm_mday = (int)st.wDay;
   g_tm.tm_mon  = (int)st.wMonth - 1;
   g_tm.tm_year = (int)st.wYear - 1900;

   return &g_tm;
}

//******************************************************************************
static void SafeGetTimeZoneInformation(TIME_ZONE_INFORMATION *ptzi)
{

   ZeroMemory(ptzi, sizeof(TIME_ZONE_INFORMATION));

   // Ask the OS for the standard/daylight rules for the current time zone.
   if ((GetTimeZoneInformation(ptzi) == 0xFFFFFFFF) ||
       (ptzi->StandardDate.wMonth > 12) || (ptzi->DaylightDate.wMonth > 12))
   {
      // If the OS fails us, we default to the United States' rules.
      ZeroMemory(ptzi, sizeof(TIME_ZONE_INFORMATION));
      ptzi->StandardDate.wMonth =  10;  // October
      ptzi->StandardDate.wDay   =   5;  // Last Sunday (DOW == 0)
      ptzi->StandardDate.wHour  =   2;  // At 2:00 AM
      ptzi->DaylightBias        = -60;  // One hour difference
      ptzi->DaylightDate.wMonth =   4;  // April
      ptzi->DaylightDate.wDay   =   1;  // First Sunday (DOW == 0)
      ptzi->DaylightDate.wHour  =   2;  // At 2:00 AM
   }
}

//******************************************************************************
static time_t GetTransitionTimeT(TIME_ZONE_INFORMATION *ptzi,
                                 int year, BOOL fStartDST)
{
   // We only handle years within the range that time_t supports.  We need to