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|
#!/bin/sh
#
# Make standard devices
#
PATH=/bin
ECHO=: # Change to "echo" to echo commands
EXEC="" # Change to ":" to suppress command execution
export ECHO EXEC
while :; do
case "$1" in
--help|"-?")
echo "\
Usage: $0 [OPTION...] DEVNAME...
Make filesystem nodes for accessing standard system devices
-D, --devdir=DIR Use DIR when a device node name must be
embedded in a translator; default is the cwd
-n, --dry-run Don't actually execute any commands
-v, --verbose Show what commands are executed to make the devices
-?, --help Give this help list
--usage Give a short usage message
-V, --version Print program version"
exit 0;;
--devdir) DEVDIR="$2"; shift 2;;
--devdir=*) DEVDIR="`echo "$1" | sed 's/^--devdir=//'`"; shift 1;;
-D) DEVDIR="$2"; shift 2;;
-D*) DEVDIR="`echo "$1" | sed 's/^-D//'`"; shift 1;;
--verbose|-v) ECHO=echo; shift;;
--dry-run|-n) EXEC=:; shift;;
-nv|-vn) ECHO=echo; EXEC=:; shift;;
--usage)
echo "Usage: $0 [-V?] [-D DIR] [--help] [--usage] [--version] [--devdir=DIR] DEVNAME..."
exit 0;;
--version|-V)
echo "STANDARD_HURD_VERSION_MAKEDEV_"; exit 0;;
-*)
echo 1>&2 "$0: unrecognized option \`$1'"
echo 1>&2 "Try \`$0 --help' or \`$0 --usage' for more information";
exit 1;;
*)
break;;
esac
done
case "$#" in 0)
echo 1>&2 "Usage: $0 [OPTION...] DEVNAME..."
echo 1>&2 "Try \`$0 --help' or \`$0 --usage' for more information"
exit 1;;
esac
function cmd {
eval $ECHO "$@"
eval $EXEC "$@"
}
function st {
local NODE="$1"
local OWNER="$2"
local PERM="$3"
shift 3
if cmd settrans -cg "$NODE"; then
cmd chown "$OWNER" "$NODE"
cmd chmod "$PERM" "$NODE"
cmd settrans "$NODE" "$@"
fi
}
case ${DEVDIR+set} in
set) export DEVDIR;;
*) _CWD="`pwd`";;
esac
function mkdev {
local I
for I; do
local B="${I##*/}"
case "$B" in
std)
local dir="`dirname $I`"
mkdev $dir/console $dir/tty $dir/null $dir/zero $dir/fd $dir/time
;;
console|tty[0-9][0-9a-f]|tty[0-9a-f]|com[0-9])
local dn # runtime device name
case "${DEVDIR+set}" in
set) dn="$DEVDIR/$B";;
"") case "$I" in
/*) dn="$I";;
*) dn="$_CWD/$I";;
esac;;
esac
st $I root 600 /hurd/term $dn device $B;;
null)
st $I root 666 /hurd/null;;
zero)
st $I root 666 /hurd/storeio -Tzero;;
tty)
st $I root 666 /hurd/magic tty;;
fd)
local dir="`dirname $I`"
st $I root 666 /hurd/magic fd
cmd ln -f -s fd/0 $dir/stdin
cmd ln -f -s fd/1 $dir/stdout
cmd ln -f -s fd/2 $dir/stderr
;;
time)
st $I root 666 /hurd/storeio time ;;
# ptys
[pt]ty[pqPQ]?)
# Make one pty, both the master and slave halves
local id="${B:3}"
local dir="`dirname $I`"
local dd
case "${DEVDIR+set}" in
set) dd="$DEVDIR";;
"") case "$I" in
/*) dd="$dir";;
*/*) dd="$_CWD/$dir";;
*) dd="$_CWD";;
esac;;
esac
st $dir/pty$id root 640 /hurd/term $dd/pty$id pty-master $dd/tty$id
st $dir/tty$id root 640 /hurd/term $dd/tty$id pty-slave $dd/pty$id
;;
[pt]ty[pqPQ])
# Make a bunch of ptys
mkdev ${I}0 ${I}1 ${I}2 ${I}3 ${I}4 ${I}5 ${I}6 ${I}7
mkdev ${I}8 ${I}9 ${I}a ${I}b ${I}c ${I}d ${I}e ${I}f
;;
fd*|mt*)
st $I root 640 /hurd/storeio $B
;;
[hrsc]d*)
case "$B" in
[a-z][a-z][0-9][a-z] | [a-z][a-z][0-9]s[1-9] | [a-z][a-z][0-9]s[1-9][a-z] | [a-z][a-z][0-9])
st $I root 640 /hurd/storeio $B
;;
*)
echo 1>&2 $0: $B: Invalid device name: must supply a device number
exit 1
;;
esac
;;
*)
echo >&2 $0: $B: Unknown device name
exit 1
;;
esac
done
}
mkdev "$@"
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