io.buffers: unsafe code is more unsafe.
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@ -2,8 +2,8 @@
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! Copyright (C) 2006, 2010 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors alien alien.accessors alien.data byte-arrays
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combinators destructors kernel libc math math.order sequences
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sequences.private typed ;
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combinators destructors kernel libc math math.order math.private
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sequences sequences.private typed ;
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IN: io.buffers
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TUPLE: buffer
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@ -18,17 +18,17 @@ disposed ;
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M: buffer dispose* ptr>> free ; inline
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TYPED: buffer-reset ( n buffer: buffer -- )
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TYPED: buffer-reset ( n: fixnum buffer: buffer -- )
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swap >>fill 0 >>pos drop ; inline
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TYPED: buffer-capacity ( buffer: buffer -- n )
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[ size>> ] [ fill>> ] bi - >fixnum ; inline
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[ size>> ] [ fill>> ] bi fixnum-fast ; inline
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TYPED: buffer-empty? ( buffer: buffer -- ? )
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fill>> zero? ; inline
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TYPED: buffer-consume ( n: fixnum buffer: buffer -- )
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[ + ] change-pos
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[ fixnum+fast ] change-pos
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dup [ pos>> ] [ fill>> ] bi <
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[ 0 >>pos 0 >>fill ] unless drop ; inline
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@ -39,7 +39,7 @@ TYPED: buffer-pop ( buffer: buffer -- byte )
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[ buffer-peek ] [ 1 swap buffer-consume ] bi ; inline
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TYPED: buffer-length ( buffer: buffer -- n )
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[ fill>> ] [ pos>> ] bi - >fixnum ; inline
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[ fill>> ] [ pos>> ] bi fixnum-fast ; inline
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TYPED: buffer@ ( buffer: buffer -- alien )
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[ pos>> ] [ ptr>> ] bi <displaced-alien> ; inline
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@ -66,8 +66,8 @@ TYPED: buffer-read-into ( dst n: fixnum buffer: buffer -- count )
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TYPED: buffer-end ( buffer: buffer -- alien )
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[ fill>> ] [ ptr>> ] bi <displaced-alien> ; inline
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TYPED: buffer+ ( n buffer: buffer -- )
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[ + ] change-fill drop ; inline
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TYPED: buffer+ ( n: fixnum buffer: buffer -- )
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[ fixnum+fast ] change-fill drop ; inline
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TYPED: buffer-write ( c-ptr n buffer: buffer -- )
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[ buffer-end -rot memcpy ] [ buffer+ ] 2bi ; inline
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