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Correct handling of trailing zeros in _rle_encode (#4702)

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marfer 2025-09-21 17:43:34 +02:00 committed by GitHub
parent 859a83a1a5
commit 82a24d6b53
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2 changed files with 6 additions and 0 deletions
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2
telethon/utils.py
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@ -1095,6 +1095,8 @@ def _rle_encode(string):
count = 0 count = 0
new += bytes([cur]) new += bytes([cur])
if count != 0:
new += b'\0' + bytes([count])
return new return new

4
tests/telethon/test_utils.py
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@ -52,3 +52,7 @@ def test_private_get_extension():
assert utils._get_extension(empty_buffer) == '' assert utils._get_extension(empty_buffer) == ''
assert utils._get_extension(empty_buffer) == '' # make sure it did seek back assert utils._get_extension(empty_buffer) == '' # make sure it did seek back
assert utils._get_extension(CustomFd('foo')) == '' assert utils._get_extension(CustomFd('foo')) == ''
def test_rle_encode_trailing_zeros():
assert utils._rle_encode(b'\x12\x00\x00\x00\x00') == b'\x12\x00\x04'