# Copyright 2012 Citrix Systems, Inc. Licensed under the
# Apache License, Version 2.0 (the "License"); you may not use this
# file except in compliance with the License.  Citrix Systems, Inc.
# reserves all rights not expressly granted by the License.
# You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# 
# Automatically generated by addcopyright.py at 04/03/2012
import struct

def byte2int(b):
    if isinstance(b, int):
        return b
    else:
        return struct.unpack("!B", b)[0]

def int2byte(i):
    return struct.pack("!B", i)

def join_bytes(bs):
    if len(bs) == 0:
        return ""
    else:
        rv = bs[0]
        for b in bs[1:]:
            rv += b
        return rv