From: brian m. carlson <sandals@crustytoothpaste.net>
Date: Tue, 21 Feb 2017 23:47:34 +0000 (+0000)
Subject: sha1_file: introduce an nth_packed_object_oid function
X-Git-Tag: v2.13.0-rc0~108^2~3
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/068f85e31311f521adffbcbf96f6583206d77b7d?hp=068f85e31311f521adffbcbf96f6583206d77b7d

sha1_file: introduce an nth_packed_object_oid function

There are places in the code where we would like to provide a struct
object_id *, yet read the hash directly from the pack.  Provide an
nth_packed_object_oid function that is similar to the
nth_packed_object_sha1 function.

In order to avoid a potentially invalid cast, nth_packed_object_oid
provides a variable into which to store the value, which it returns on
success; on error, it returns NULL, as nth_packed_object_sha1 does.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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