+static
+BOOL
+ReadNumber(
+ PWSTR *s,
+ PWORD pwValue)
+{
+ if (!iswdigit(**s))
+ return FALSE;
+
+ while (iswdigit(**s))
+ {
+ *pwValue = *pwValue * 10 + **s - L'0';
+ (*s)++;
+ }
+
+ return TRUE;
+}
+
+
+static
+BOOL
+ReadSeparator(
+ PWSTR *s)
+{
+ if (**s == L'/' || **s == L'.')
+ {
+ (*s)++;
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+
+static
+BOOL
+ParseDate(
+ PWSTR s,
+ PULONG pSeconds)
+{
+ SYSTEMTIME SystemTime = {0};
+ FILETIME LocalFileTime, FileTime;
+ LARGE_INTEGER Time;
+ INT nDateFormat = 0;
+ PWSTR p = s;
+
+ if (!*s)
+ return FALSE;
+
+ GetLocaleInfoW(LOCALE_USER_DEFAULT,
+ LOCALE_IDATE,
+ (PWSTR)&nDateFormat,
+ sizeof(INT));
+
+ switch (nDateFormat)
+ {
+ case 0: /* mmddyy */
+ default:
+ if (!ReadNumber(&p, &SystemTime.wMonth))
+ return FALSE;
+ if (!ReadSeparator(&p))
+ return FALSE;
+ if (!ReadNumber(&p, &SystemTime.wDay))
+ return FALSE;
+ if (!ReadSeparator(&p))
+ return FALSE;
+ if (!ReadNumber(&p, &SystemTime.wYear))
+ return FALSE;
+ break;
+
+ case 1: /* ddmmyy */
+ if (!ReadNumber(&p, &SystemTime.wDay))
+ return FALSE;
+ if (!ReadSeparator(&p))
+ return FALSE;
+ if (!ReadNumber(&p, &SystemTime.wMonth))
+ return FALSE;
+ if (!ReadSeparator(&p))
+ return FALSE;
+ if (!ReadNumber(&p, &SystemTime.wYear))
+ return FALSE;
+ break;
+
+ case 2: /* yymmdd */
+ if (!ReadNumber(&p, &SystemTime.wYear))
+ return FALSE;
+ if (!ReadSeparator(&p))
+ return FALSE;
+ if (!ReadNumber(&p, &SystemTime.wMonth))
+ return FALSE;
+ if (!ReadSeparator(&p))
+ return FALSE;
+ if (!ReadNumber(&p, &SystemTime.wDay))
+ return FALSE;
+ break;
+ }
+
+ /* if only entered two digits: */
+ /* assume 2000's if value less than 80 */
+ /* assume 1900's if value greater or equal 80 */
+ if (SystemTime.wYear <= 99)
+ {
+ if (SystemTime.wYear >= 80)
+ SystemTime.wYear += 1900;
+ else
+ SystemTime.wYear += 2000;
+ }
+
+ if (!SystemTimeToFileTime(&SystemTime, &LocalFileTime))
+ return FALSE;
+
+ if (!LocalFileTimeToFileTime(&LocalFileTime, &FileTime))
+ return FALSE;
+
+ Time.u.LowPart = FileTime.dwLowDateTime;
+ Time.u.HighPart = FileTime.dwHighDateTime;
+
+ if (!RtlTimeToSecondsSince1970(&Time, pSeconds))
+ return FALSE;
+
+ return TRUE;
+}
+
+