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From: Eric Sunshine <sunshine@sunshineco.com>
To: Jacob Keller <jacob.keller@gmail.com>
Cc: "brian m. carlson" <sandals@crustytoothpaste.net>,
	Git List <git@vger.kernel.org>, Jeff King <peff@peff.net>,
	Junio C Hamano <gitster@pobox.com>
Subject: Re: [PATCH 01/17] cache: update object ID functions for the_hash_algo
Date: Mon, 9 Jul 2018 00:05:30 -0400	[thread overview]
Message-ID: <CAPig+cRznUKdriPhHMt5ocb_pXbByY5a40A8ZOiqF=_0hm7avw@mail.gmail.com> (raw)
In-Reply-To: <CA+P7+xq900ikNR3uBEo28rjrTh5iYJm-R8jcAjhq-7G2jh3iVA@mail.gmail.com>

On Sun, Jul 8, 2018 at 10:38 PM Jacob Keller <jacob.keller@gmail.com> wrote:
> On Sun, Jul 8, 2018 at 4:39 PM brian m. carlson
> <sandals@crustytoothpaste.net> wrote:
> >  static inline int oidcmp(const struct object_id *oid1, const struct object_id *oid2)
> >  {
> > -       return hashcmp(oid1->hash, oid2->hash);
> > +       return memcmp(oid1->hash, oid2->hash, the_hash_algo->rawsz);
> >  }
>
> Just curious, what's the reasoning for not using the hashcmp anymore?

hashcmp() is specific to SHA-1 (for instance, it hardocdes
GIT_SHA1_RAWSZ). oidcmp() is meant as the hash-agnostic replacement
for hashcmp(), so it doesn't make sense to continue implementing
oidcmp() in terms of hashcmp() (the latter of which will eventually be
retired, presumably).

  reply	other threads:[~2018-07-09  4:05 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-08 23:36 [PATCH 00/17] object_id part 14 brian m. carlson
2018-07-08 23:36 ` [PATCH 01/17] cache: update object ID functions for the_hash_algo brian m. carlson
2018-07-09  2:38   ` Jacob Keller
2018-07-09  4:05     ` Eric Sunshine [this message]
2018-07-09  4:31       ` Jacob Keller
2018-07-09 23:26         ` brian m. carlson
2018-07-08 23:36 ` [PATCH 02/17] tree-walk: replace hard-coded constants with the_hash_algo brian m. carlson
2018-07-08 23:36 ` [PATCH 03/17] hex: switch to using the_hash_algo brian m. carlson
2018-07-08 23:36 ` [PATCH 04/17] commit: express tree entry constants in terms of the_hash_algo brian m. carlson
2018-07-08 23:36 ` [PATCH 05/17] strbuf: allocate space with GIT_MAX_HEXSZ brian m. carlson
2018-07-08 23:36 ` [PATCH 06/17] sha1-name: use the_hash_algo when parsing object names brian m. carlson
2018-07-08 23:36 ` [PATCH 07/17] commit: increase commit message buffer size brian m. carlson
2018-07-09 13:09   ` Derrick Stolee
2018-07-09 17:24     ` Stefan Beller
2018-07-09 17:27       ` Brandon Williams
2018-07-09 17:34         ` Junio C Hamano
2018-07-09 17:36           ` Brandon Williams
2018-07-09 17:45     ` Junio C Hamano
2018-07-09 23:39       ` brian m. carlson
2018-07-10 16:35         ` Junio C Hamano
2018-07-10 18:08         ` Ben Peart
2018-07-11  1:43           ` brian m. carlson
2018-07-11 15:36             ` Junio C Hamano
2018-07-08 23:36 ` [PATCH 08/17] refs/files-backend: use the_hash_algo for writing refs brian m. carlson
2018-07-08 23:36 ` [PATCH 09/17] builtin/update-index: convert to using the_hash_algo brian m. carlson
2018-07-08 23:36 ` [PATCH 10/17] builtin/update-index: simplify parsing of cacheinfo brian m. carlson
2018-07-08 23:36 ` [PATCH 11/17] builtin/fmt-merge-msg: make hash independent brian m. carlson
2018-07-08 23:36 ` [PATCH 12/17] builtin/merge: switch to use the_hash_algo brian m. carlson
2018-07-08 23:36 ` [PATCH 13/17] builtin/merge-recursive: make hash independent brian m. carlson
2018-07-08 23:36 ` [PATCH 14/17] diff: switch GIT_SHA1_HEXSZ to use the_hash_algo brian m. carlson
2018-07-08 23:36 ` [PATCH 15/17] log-tree: switch GIT_SHA1_HEXSZ to the_hash_algo->hexsz brian m. carlson
2018-07-08 23:36 ` [PATCH 16/17] sha1-file: convert constants to uses of the_hash_algo brian m. carlson
2018-07-08 23:36 ` [PATCH 17/17] pretty: switch hard-coded constants to the_hash_algo brian m. carlson
2018-07-09  3:12 ` [PATCH 00/17] object_id part 14 Jacob Keller
2018-07-09 13:12   ` Derrick Stolee
2018-07-14 23:38     ` Michael Haggerty
2018-07-16 21:06       ` Junio C Hamano

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