91 lines
2.8 KiB
Factor
91 lines
2.8 KiB
Factor
! Copyright (C) 2008 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors alien.c-types alien.syntax combinators csv
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io.backend io.encodings.utf8 io.files io.streams.string
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io.unix.files kernel math.order namespaces sequences sorting
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system unix unix.statfs.linux unix.statvfs.linux
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specialized-arrays.direct.uint arrays ;
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IN: io.unix.files.linux
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TUPLE: linux-file-system-info < unix-file-system-info
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namelen ;
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M: linux new-file-system-info linux-file-system-info new ;
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M: linux file-system-statfs ( path -- byte-array )
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"statfs64" <c-object> tuck statfs64 io-error ;
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M: linux statfs>file-system-info ( struct -- statfs )
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{
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[ statfs64-f_type >>type ]
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[ statfs64-f_bsize >>block-size ]
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[ statfs64-f_blocks >>blocks ]
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[ statfs64-f_bfree >>blocks-free ]
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[ statfs64-f_bavail >>blocks-available ]
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[ statfs64-f_files >>files ]
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[ statfs64-f_ffree >>files-free ]
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[ statfs64-f_fsid 2 <direct-uint-array> >array >>id ]
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[ statfs64-f_namelen >>namelen ]
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[ statfs64-f_frsize >>preferred-block-size ]
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! [ statfs64-f_spare >>spare ]
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} cleave ;
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M: linux file-system-statvfs ( path -- byte-array )
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"statvfs64" <c-object> tuck statvfs64 io-error ;
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M: linux statvfs>file-system-info ( struct -- statfs )
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{
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[ statvfs64-f_flag >>flags ]
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[ statvfs64-f_namemax >>name-max ]
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} cleave ;
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TUPLE: mtab-entry file-system-name mount-point type options
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frequency pass-number ;
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: mtab-csv>mtab-entry ( csv -- mtab-entry )
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[ mtab-entry new ] dip
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{
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[ first >>file-system-name ]
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[ second >>mount-point ]
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[ third >>type ]
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[ fourth <string-reader> csv first >>options ]
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[ 4 swap nth >>frequency ]
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[ 5 swap nth >>pass-number ]
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} cleave ;
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: parse-mtab ( -- array )
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[
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"/etc/mtab" utf8 <file-reader>
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CHAR: \s delimiter set csv
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] with-scope
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[ mtab-csv>mtab-entry ] map ;
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M: linux file-systems
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parse-mtab [
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[ mount-point>> file-system-info ] keep
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{
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[ file-system-name>> >>device-name ]
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[ mount-point>> >>mount-point ]
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[ type>> >>type ]
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} cleave
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] map ;
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ERROR: file-system-not-found ;
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M: linux file-system-info ( path -- )
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normalize-path
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[
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[ new-file-system-info ] dip
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[ file-system-statfs statfs>file-system-info ]
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[ file-system-statvfs statvfs>file-system-info ] bi
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file-system-calculations
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] keep
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parse-mtab [ [ mount-point>> ] bi@ <=> invert-comparison ] sort
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[ mount-point>> head? ] with find nip [ file-system-not-found ] unless*
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{
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[ file-system-name>> >>device-name drop ]
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[ mount-point>> >>mount-point drop ]
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[ type>> >>type ]
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} 2cleave ;
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