33 lines
990 B
Factor
33 lines
990 B
Factor
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USING: kernel sequences sorting math math.order macros bake bake.fry ;
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IN: dns.util
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: tri-chain ( obj p q r -- x y z )
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>r >r call dup r> call dup r> call ; inline
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MACRO: 1if ( test then else -- ) '[ dup @ , , if ] ;
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! : 1if ( test then else -- ) >r >r >r dup r> call r> r> if ; inline ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: sort-largest-first ( seq -- seq ) [ [ length ] compare ] sort reverse ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: longer? ( seq seq -- ? ) [ length ] bi@ > ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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USING: io.sockets accessors ;
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TUPLE: packet data addr socket ;
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: receive-packet ( socket -- packet ) [ receive ] keep packet boa ;
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: respond ( packet -- ) [ data>> ] [ addr>> ] [ socket>> ] tri send ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: forever ( quot -- ) [ call ] [ forever ] bi ; inline recursive |