Current File : //var/opt/nydus/ops/oscrypto/_int.py
# coding: utf-8
"""
Function to fill ensure integers converted to a byte string are a specific
width. Exports the following items:
- fill_width()
"""
from __future__ import unicode_literals, division, absolute_import, print_function
__all__ = [
'fill_width',
]
def fill_width(bytes_, width):
"""
Ensure a byte string representing a positive integer is a specific width
(in bytes)
:param bytes_:
The integer byte string
:param width:
The desired width as an integer
:return:
A byte string of the width specified
"""
while len(bytes_) < width:
bytes_ = b'\x00' + bytes_
return bytes_
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