Jeff King 68a423ab3e get-tar-commit-id: check write_in_full() return against 0 ...

We ask to write 41 bytes and make sure that the return value
is at least 41. This is the same "dangerous" pattern that
was fixed in the prior commit (wherein a negative return
value is promoted to unsigned), though it is not dangerous
here because our "41" is a constant, not an unsigned
variable.

But we should convert it anyway to avoid modeling a
dangerous construct.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2017-09-14 15:16:21 +09:00

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