crypt: check error from library call

[benjaminp]

BPO	38402
Nosy	@benjaminp
PRs	closes bpo-38402: Check error of primitive crypt/crypt_r. #16599

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2019-10-08.04:22:22.146>
created_at = <Date 2019-10-08.04:01:58.705>
labels = ['3.9']
title = 'crypt: check error from library call'
updated_at = <Date 2019-10-08.04:22:22.145>
user = 'https://github.com/benjaminp'

bugs.python.org fields:

activity = <Date 2019-10-08.04:22:22.145>
actor = 'benjamin.peterson'
assignee = 'none'
closed = True
closed_date = <Date 2019-10-08.04:22:22.146>
closer = 'benjamin.peterson'
components = []
creation = <Date 2019-10-08.04:01:58.705>
creator = 'benjamin.peterson'
dependencies = []
files = []
hgrepos = []
issue_num = 38402
keywords = ['patch']
message_count = 2.0
messages = ['354166', '354168']
nosy_count = 1.0
nosy_names = ['benjamin.peterson']
pr_nums = ['16599']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue38402'
versions = ['Python 3.9']

[benjaminp]

(split off from bpo-36161)

The crypt module currently doesn't check for errors from crypt or crypt_r. It should.

[benjaminp]

New changeset 0d3fe8a by Benjamin Peterson (Antonio Gutierrez) in branch 'master':
closes bpo-38402: Check error of primitive crypt/crypt_r. (GH-16599)
0d3fe8a