44 lines
1.2 KiB
Factor
44 lines
1.2 KiB
Factor
! Copyright (C) 2005, 2008 Slava Pestov, Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: unix byte-arrays kernel io.backend.unix math.bitwise
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io.ports io.files io.files.private io.pathnames environment
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destructors system unix.ffi ;
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IN: io.files.unix
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M: unix cwd ( -- path )
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MAXPATHLEN [ <byte-array> ] keep
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[ getcwd ] unix-system-call
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[ (io-error) ] unless* ;
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M: unix cd ( path -- ) [ chdir ] unix-system-call drop ;
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: read-flags ( -- n ) O_RDONLY ; inline
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: open-read ( path -- fd ) O_RDONLY file-mode open-file ;
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M: unix (file-reader) ( path -- stream )
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open-read <fd> init-fd <input-port> ;
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: write-flags ( -- n )
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{ O_WRONLY O_CREAT O_TRUNC } flags ; inline
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: open-write ( path -- fd )
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write-flags file-mode open-file ;
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M: unix (file-writer) ( path -- stream )
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open-write <fd> init-fd <output-port> ;
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: append-flags ( -- n )
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{ O_WRONLY O_APPEND O_CREAT } flags ; inline
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: open-append ( path -- fd )
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[
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append-flags file-mode open-file |dispose
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dup 0 SEEK_END [ lseek ] unix-system-call drop
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] with-destructors ;
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M: unix (file-appender) ( path -- stream )
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open-append <fd> init-fd <output-port> ;
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M: unix home "HOME" os-env ;
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