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# Copyright (C) 2020 Red Hat, Inc. <http://www.redhat.com>
#
# 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; either version 2 of the License, or
# any later version.
#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
from __future__ import print_function
import ctypes
import sys
filename = sys.argv[1]
glusterfs = ctypes.cdll.LoadLibrary("libglusterfs.so.0")
# In case of python3 encode string to ascii
if sys.version_info.major == 3:
computed_hash = ctypes.c_uint32(glusterfs.gf_dm_hashfn(
filename.encode('ascii'), len(filename)))
else:
computed_hash = ctypes.c_uint32(glusterfs.gf_dm_hashfn(
filename, len(filename)))
print(computed_hash.value)
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