1 ! Copyright (C) 2007 Doug Coleman.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: alien alien.c-types kernel math windows.errors
4 windows.kernel32 windows.types namespaces calendar math.bitwise
5 accessors classes.struct ;
8 : >64bit ( lo hi -- n )
9 32 shift bitor ; inline
11 : windows-1601 ( -- timestamp ) 1601 <year-gmt> ;
13 : FILETIME>windows-time ( FILETIME -- n )
14 [ dwLowDateTime>> ] [ dwHighDateTime>> ] bi >64bit ;
16 : windows-time>timestamp ( n -- timestamp )
17 10000000 /i seconds windows-1601 swap time+ ;
19 : windows-time ( -- n )
20 FILETIME <struct> [ GetSystemTimeAsFileTime ] keep
21 FILETIME>windows-time ;
23 : timestamp>windows-time ( timestamp -- n )
24 #! 64bit number representing # of nanoseconds since Jan 1, 1601 (UTC)
25 >gmt windows-1601 (time-) 10000000 * >integer ;
27 : windows-time>FILETIME ( n -- FILETIME )
28 [ FILETIME <struct> ] dip
29 [ 32 bits >>dwLowDateTime ] [ -32 shift >>dwHighDateTime ] bi ;
31 : timestamp>FILETIME ( timestamp -- FILETIME/f )
32 dup [ >gmt timestamp>windows-time windows-time>FILETIME ] when ;
34 : FILETIME>timestamp ( FILETIME -- timestamp/f )
35 FILETIME>windows-time windows-time>timestamp ;