Jeff King 8a1a8d2ad1 worktree: check the result of read_in_full() ...

We try to read "len" bytes into a buffer and just assume
that it happened correctly. In practice this should usually
be the case, since we just stat'd the file to get the
length.  But we could be fooled by transient errors or by
other processes racily truncating the file.

Let's be more careful. There's a slim chance this could
catch a real error, but it also prevents people and tools
from getting worried while reading the code.

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

2017-09-27 15:46:05 +09:00

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