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From: Karsten Blees <karsten.blees@gmail.com>
To: Thomas Rast <tr@thomasrast.ch>
Cc: Junio C Hamano <gitster@pobox.com>, git@vger.kernel.org
Subject: Re: What's cooking in git.git (Dec 2013, #02; Fri, 6)
Date: Sat, 07 Dec 2013 23:32:21 +0100	[thread overview]
Message-ID: <52A3A1F5.3080906@gmail.com> (raw)
In-Reply-To: <87fvq41esw.fsf@thomasrast.ch>

Am 07.12.2013 23:23, schrieb Thomas Rast:
> Karsten Blees <karsten.blees@gmail.com> writes:
> 
>> Extending 'struct hashmap_entry' with an int-sized member shouldn't waste
>> memory on 64-bit systems. This is already documented in api-hashmap.txt,
>> but needs '__attribute__((__packed__))' to work. Reduces e.g.
> 
> You'd have to guard __attribute__((__packed__)) with some compiler
> detection in git-compat-util.h though.
> 

Isn't that already handled? __attribute__ is already widely used (e.g. for printf formats), and platforms that don't support it define it as empty (e.g. MSVC). Or do you mean I should account for compiler-specific variants (#pragma pack...)?

  reply	other threads:[~2013-12-07 22:32 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-06 23:52 What's cooking in git.git (Dec 2013, #02; Fri, 6) Junio C Hamano
2013-12-07 10:03 ` Felipe Contreras
2013-12-07 20:30   ` Felipe Contreras
2013-12-09 21:00     ` Junio C Hamano
2013-12-07 17:03 ` Thomas Rast
2013-12-09 22:33   ` Jeff King
2013-12-09 22:51     ` Junio C Hamano
2013-12-07 18:49 ` Matthieu Moy
2013-12-07 19:56 ` Karsten Blees
2013-12-07 22:23   ` Thomas Rast
2013-12-07 22:32     ` Karsten Blees [this message]
2013-12-08 10:20       ` Thomas Rast
2013-12-09 14:03         ` Karsten Blees
2013-12-09 20:08           ` Jonathan Nieder
2013-12-09 23:19             ` Karsten Blees
2013-12-09 23:45               ` Jonathan Nieder
2013-12-18 13:10                 ` Karsten Blees
2013-12-18 14:05                   ` Karsten Blees
2013-12-18 14:12           ` Karsten Blees
2013-12-09 17:43   ` Junio C Hamano
2013-12-09 17:48   ` Junio C Hamano
2013-12-18 13:41     ` [PATCH] hashmap.h: Use 'unsigned int' for hash-codes everywhere Karsten Blees
2013-12-18 17:46       ` Junio C Hamano

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