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bpo-32713: Fix tarfile.itn for large/negative float values. (GH-5434)

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Joffrey F 2018-02-26 16:02:21 -08:00 • committed by Serhiy Storchaka
parent eee72d4778
commit 72d9b2be36
3 changed files with 11 additions and 1 deletions
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3
Lib/tarfile.py
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@ -200,8 +200,9 @@ def itn(n, digits=8, format=DEFAULT_FORMAT):
# base-256 representation. This allows values up to (256**(digits-1))-1.
# A 0o200 byte indicates a positive number, a 0o377 byte a negative
# number.
n = int(n)
if 0 <= n < 8 ** (digits - 1):
s = bytes("%0*o" % (digits - 1, int(n)), "ascii") + NUL
s = bytes("%0*o" % (digits - 1, n), "ascii") + NUL
elif format == GNU_FORMAT and -256 ** (digits - 1) <= n < 256 ** (digits - 1):
if n >= 0:
s = bytearray([0o200])