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id: sanitize arguments better

Description

id: sanitize arguments better

The -[AMc] flags ignore the user argument. Better if id rejects
invocations that include a user argument along with any of those flags.

PR: 256554
MFC after: 2 weeks
Reviewed by: trasz
Sponsored by: Axcient
Differential Revision: https://reviews.freebsd.org/D30734

Details

Provenance
asomersAuthored on Jun 11 2021, 4:38 PM
Reviewer
trasz
Differential Revision
D30734: id: sanitize arguments better
Parents
rG7d681ad774f0: crypt_r(3): fix reentrancy problems with DES
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