70 lines
2.3 KiB
Factor
70 lines
2.3 KiB
Factor
! :folding=indent:collapseFolds=1:
|
|
|
|
! $Id$
|
|
!
|
|
! Copyright (C) 2003, 2004 Slava Pestov.
|
|
!
|
|
! Redistribution and use in source and binary forms, with or without
|
|
! modification, are permitted provided that the following conditions are met:
|
|
!
|
|
! 1. Redistributions of source code must retain the above copyright notice,
|
|
! this list of conditions and the following disclaimer.
|
|
!
|
|
! 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
! this list of conditions and the following disclaimer in the documentation
|
|
! and/or other materials provided with the distribution.
|
|
!
|
|
! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
|
|
! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
|
! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
|
! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
IN: stdio
|
|
USE: arithmetic
|
|
USE: stack
|
|
USE: streams
|
|
USE: strings
|
|
|
|
: read-little-endian-32 ( -- word )
|
|
read1
|
|
read1 8 shift< bitor
|
|
read1 16 shift< bitor
|
|
read1 24 shift< bitor ;
|
|
|
|
: read-big-endian-32 ( -- word )
|
|
read1 24 shift<
|
|
read1 16 shift< bitor
|
|
read1 8 shift< bitor
|
|
read1 bitor ;
|
|
|
|
: byte3 ( num -- byte ) 24 shift> HEX: ff bitand ;
|
|
: byte2 ( num -- byte ) 16 shift> HEX: ff bitand ;
|
|
: byte1 ( num -- byte ) 8 shift> HEX: ff bitand ;
|
|
: byte0 ( num -- byte ) HEX: ff bitand ;
|
|
|
|
: write-little-endian-32 ( word -- )
|
|
dup byte0 >char write
|
|
dup byte1 >char write
|
|
dup byte2 >char write
|
|
byte3 >char write ;
|
|
|
|
: write-big-endian-32 ( word -- )
|
|
dup byte3 >char write
|
|
dup byte2 >char write
|
|
dup byte1 >char write
|
|
byte0 >char write ;
|
|
|
|
: write-little-endian-16 ( char -- )
|
|
dup byte0 >char write
|
|
byte1 >char write ;
|
|
|
|
: write-big-endian-16 ( char -- )
|
|
dup byte1 >char write
|
|
byte0 >char write ;
|