#! /usr/bin/python

# -*- python -*-

# -*- coding: utf-8 -*-

#

# Copyright (C) 2007 Red Hat, Inc.

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; version 2 of the License.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#

​

def hexbitmask(l, nr_entries):

    hexbitmask = []

    bit = 0

    mask = 0

    for entry in range(nr_entries):

        if entry in l:

            mask |= (1 << bit)

        bit += 1

        if bit == 32:

            bit = 0

            hexbitmask.insert(0, mask)

            mask = 0

​

    if bit < 32 and mask != 0:

        hexbitmask.insert(0, mask)

​

    return hexbitmask

​

def bitmasklist(line, nr_entries):

    hexmask = line.strip().replace(",", "")

    bitmasklist = []

    entry = 0

    bitmask = bin(int(hexmask, 16))[2::]