whilenum>0: # list.insert(0, ...) is inefficient bytestr.appendleft(num&0xff) num >>= 8 returnbytes(bytestr) def int_to_bytes_little_endian(num): bytestr= []
whilenum>0: # list.insert(0, ...) is inefficient bytestr.appendleft(num&0xff) num >>= 8 returnbytes(bytestr) def int_to_bytes_little_endian(num): bytestr= []
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
int_to_bytes_big_endian(num): | |
bytestr=deque() | |
whilenum>0: | |
# list.insert(0, ...) is inefficient | |
bytestr.appendleft(num&0xff) | |
num >>= 8 | |
returnbytes(bytestr) | |
def int_to_bytes_little_endian(num): | |
bytestr= [] | |
whilenum>0: | |
bytestr.append(num&0xff) | |
num >>= 8 | |
returnbytes(bytestr) | |
def bytes_big_endian_to_int(bytestr): | |
num=0 | |
forbinbytestr: | |
num <<= 8 | |
num+=b | |
returnnum | |
def bytes_little_endian_to_int(bytestr): | |
num=0.
|
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