factor/basis/io/unix/files/linux/linux.factor

71 lines
2.1 KiB
Factor

! Copyright (C) 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors alien.c-types alien.syntax combinators csv
io.encodings.utf8 io.files io.streams.string io.unix.files
kernel namespaces sequences system unix unix.statfs.linux
unix.statvfs.linux ;
IN: io.unix.files.linux
TUPLE: linux-file-system-info < unix-file-system-info
namelen spare ;
M: linux new-file-system-info linux-file-system-info new ;
M: linux file-system-statfs ( path -- byte-array )
"statfs64" <c-object> tuck statfs64 io-error ;
M: linux statfs>file-system-info ( struct -- statfs )
{
[ statfs64-f_type >>type ]
[ statfs64-f_bsize >>block-size ]
[ statfs64-f_blocks >>blocks ]
[ statfs64-f_bfree >>blocks-free ]
[ statfs64-f_bavail >>blocks-available ]
[ statfs64-f_files >>files ]
[ statfs64-f_ffree >>files-free ]
[ statfs64-f_fsid >>id ]
[ statfs64-f_namelen >>namelen ]
[ statfs64-f_frsize >>preferred-block-size ]
[ statfs64-f_spare >>spare ]
} cleave ;
M: linux file-system-statvfs ( path -- byte-array )
"statvfs64" <c-object> tuck statvfs64 io-error ;
M: linux statvfs>file-system-info ( struct -- statfs )
{
[ statvfs64-f_flag >>flags ]
[ statvfs64-f_namemax >>name-max ]
} cleave ;
TUPLE: mtab-entry file-system-name mount-point type options
frequency pass-number ;
: mtab-csv>mtab-entry ( csv -- mtab-entry )
[ mtab-entry new ] dip
{
[ first >>file-system-name ]
[ second >>mount-point ]
[ third >>type ]
[ fourth <string-reader> csv first >>options ]
[ 4 swap nth >>frequency ]
[ 5 swap nth >>pass-number ]
} cleave ;
: parse-mtab ( -- array )
[
"/etc/mtab" utf8 <file-reader>
CHAR: \s delimiter set csv
] with-scope
[ mtab-csv>mtab-entry ] map ;
M: linux file-systems
parse-mtab [
[ mount-point>> file-system-info ] keep
{
[ file-system-name>> >>device-name ]
[ mount-point>> >>mount-point ]
[ type>> >>type ]
} cleave
] map ;