From: Joseph Myers <joseph@codesourcery.com>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: Florian Weimer <fweimer@redhat.com>, <gcc-patches@gcc.gnu.org>
Subject: Re: Make max_align_t respect _Float128 [version 2]
Date: Tue, 06 Sep 2016 20:47:00 -0000 [thread overview]
Message-ID: <alpine.DEB.2.20.1609062038200.9567@digraph.polyomino.org.uk> (raw)
In-Reply-To: <c2382bf0-36c1-f884-945a-6162e47fb543@cs.ucla.edu>
On Tue, 6 Sep 2016, Paul Eggert wrote:
> One way to correct the code is to increase malloc's argument up to a multiple
> of alignof(max_align_t). (One cannot portably use alignof(struct s) due to
Sounds like a defect in C11 to me - none of the examples of flexible array
members anticipate needing to add to the size to allow for tail padding
with unknown alignment requirements.
> C11's prohibition of using alignof on incomplete types.) This is why
Structures with flexible array members are not incomplete types.
--
Joseph S. Myers
joseph@codesourcery.com
next prev parent reply other threads:[~2016-09-06 20:41 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-26 20:55 Make max_align_t respect _Float128 Joseph Myers
2016-08-26 21:10 ` Marc Glisse
2016-08-26 21:30 ` Joseph Myers
2016-08-26 21:45 ` Florian Weimer
2016-08-26 21:57 ` Paul Eggert
2016-08-26 22:25 ` Joseph Myers
2016-08-26 21:51 ` Paul Eggert
2016-08-29 13:29 ` Marek Polacek
2016-08-29 15:40 ` Joseph Myers
2016-09-01 14:18 ` Ping " Joseph Myers
2016-09-05 17:07 ` Make max_align_t respect _Float128 [version 2] Joseph Myers
2016-09-06 9:06 ` Richard Biener
2016-09-06 11:26 ` Joseph Myers
2016-09-06 9:19 ` Florian Weimer
2016-09-06 9:24 ` Richard Biener
2016-09-07 7:45 ` Florian Weimer
2016-09-07 17:53 ` Joseph Myers
2016-09-08 9:35 ` Florian Weimer
2016-09-06 11:40 ` Joseph Myers
2016-09-06 15:06 ` Florian Weimer
2016-09-06 15:20 ` Joseph Myers
2016-09-06 15:59 ` Paul Eggert
2016-09-06 20:47 ` Joseph Myers [this message]
2016-09-06 21:41 ` Paul Eggert
2016-09-07 9:22 ` Florian Weimer
2016-09-07 11:52 ` Mark Wielaard
2016-09-08 1:58 ` Paul Eggert
2016-09-08 11:58 ` Mark Wielaard
2016-09-08 12:22 ` Florian Weimer
2016-09-08 14:59 ` Paul Eggert
2016-09-08 12:30 ` Bernd Schmidt
2016-09-08 12:34 ` Florian Weimer
2016-09-07 9:15 ` Florian Weimer
2016-09-06 21:03 ` Jason Merrill
2016-09-06 21:18 ` Joseph Myers
2016-09-06 21:53 ` Jason Merrill
2016-09-06 21:56 ` Joseph Myers
2016-09-06 12:06 ` Bernd Schmidt
2016-09-06 14:59 ` Florian Weimer
2016-09-12 18:02 ` Make max_align_t respect _Float128 [version 3] Joseph Myers
2016-09-19 16:08 ` Ping " Joseph Myers
2016-09-19 17:11 ` Paul Eggert
2016-09-26 16:35 ` Jeff Law
2016-09-06 18:14 Make max_align_t respect _Float128 [version 2] Bernd Edlinger
2016-09-06 20:58 ` Joseph Myers
2016-09-07 19:50 Bernd Edlinger
2016-09-07 20:06 ` Joseph Myers
2016-09-07 21:00 ` Bernd Edlinger
2016-09-07 21:48 ` Joseph Myers
2016-09-08 10:50 ` Florian Weimer
2016-09-09 17:24 ` Bernd Edlinger
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