udev: Directory for custom device nodes.

[Harald Hoyer]

ok, this is what I came up with for FC4:

xargs_simple () {
         if [ "$1" = "-n" ]; then
                 shift
                 MAXNR="$1"
                 shift
         else
                 MAXNR=100
         fi
         NR=$MAXNR
         ARGS=""
         [ -z "$1" ] && set echo

         while read line; do
                 if [ $NR -gt 0 ]; then
                         ARGS="$ARGS $line"
                         NR=$[$NR - 1]
                 else
                         "$@" $ARGS
                         NR=$MAXNR
                         ARGS="$line"
                 fi
         done
         if [ -n "$ARGS" ]; then
                 "$@" $ARGS
         fi
}

make_extra_nodes () {
         ln -snf /proc/self/fd $udev_root/fd
         ln -snf /proc/self/fd/0 $udev_root/stdin
         ln -snf /proc/self/fd/1 $udev_root/stdout
         ln -snf /proc/self/fd/2 $udev_root/stderr
         ln -snf /proc/kcore $udev_root/core

         [ -d $udev_root/pts ] || mkdir -m 0755 $udev_root/pts
         [ -d $udev_root/shm ] || mkdir -m 0755 $udev_root/shm

         if [ -x $MAKEDEV ]; then
                 for i in /etc/sysconfig/makedev.d/*.nodes; do
                         cat "$i" | sed -e 's,#.*,,g' | \
                                 xargs_simple -n 100 $MAKEDEV -x
                 done
         fi
         for i in /etc/sysconfig/makedev.d/*.symlinks; do
                 cat "$i" | sed -e 's,#.*,,g' | xargs_simple -n 1 ln -snv
         fi
}


This should MAKEDEV the nodes from /etc/sysconfig/makedev.d/*.nodes
# cat /etc/sysconfig/makedev.d/50-udev.nodes | \
 > sed -e 's,#.*,,g' | xargs_simple echo
tty1 tty2 tty3 tty4 tty5 tty6 loop0 loop1 loop2 loop3 loop4 loop5 loop6 loop7 
lp0 lp1 lp2 lp3 parport0 parport1 parport2 parport3 net/tun ppp console null zero

The file can contain comments with "#". Also symlinks described in 
/etc/sysconfig/makedev.d/*.symlinks are created.

Packages can drop their own files in /etc/sysconfig/makedev.d and the 
definition of the nodes in /etc/makedev.d/.

Are the names fine or should we rename /etc/sysconfig/makedev.d in s.th. like 
/etc/sysconfig/init-makedev.d ??