factor/basis/unix/utilities/utilities.factor

21 lines
607 B
Factor

! Copyright (C) 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: alien alien.c-types alien.strings
combinators.short-circuit fry kernel layouts sequences
specialized-arrays.alien accessors ;
IN: unix.utilities
: more? ( alien -- ? )
{ [ ] [ *void* ] } 1&& ;
: advance ( void* -- void* )
cell swap <displaced-alien> ;
: alien>strings ( alien encoding -- strings )
[ [ dup more? ] ] dip
'[ [ advance ] [ *void* _ alien>string ] bi ]
produce nip ;
: strings>alien ( strings encoding -- array )
'[ _ malloc-string ] void*-array{ } map-as f suffix ;