From: Ralph Corderoy <ralph@inputplus.co.uk>
To: TUHS main list <tuhs@tuhs.org>
Cc: Douglas McIlroy <douglas.mcilroy@dartmouth.edu>
Subject: [TUHS] Re: Minimum Array Sizes in 16 bit C (was Maximum)
Date: Sun, 29 Sep 2024 11:06:11 +0100 [thread overview]
Message-ID: <20240929100611.272292033C@orac.inputplus.co.uk> (raw)
In-Reply-To: <CANCZdfqjP0cm4GX1hKR9nob=h8LqLewM1WZquiaFqRqKHm58SA@mail.gmail.com>
Hi Werner,
> > I got two letters back, saying that malloc(0) is illegal because
> > zero-length arrays are illegal, and the other vice versa.
>
> And now we have zero length arrays an UB malloc(0).
malloc(0) isn't undefined behaviour but implementation defined.
Are there prominent modern implementations which consider it an error so
return NULL?
--
Cheers, Ralph.
next prev parent reply other threads:[~2024-09-29 10:06 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-28 13:34 Douglas McIlroy
2024-09-28 16:58 ` G. Branden Robinson
2024-09-28 17:47 ` Luther Johnson
2024-09-28 17:52 ` Luther Johnson
2024-09-28 18:46 ` G. Branden Robinson
2024-09-28 22:08 ` Luther Johnson
2024-09-28 22:45 ` Luther Johnson
2024-09-28 22:50 ` Luther Johnson
2024-09-28 17:59 ` Bakul Shah via TUHS
2024-09-28 22:07 ` Douglas McIlroy
2024-09-28 23:05 ` Rob Pike
2024-09-28 23:30 ` Warner Losh
2024-09-29 10:06 ` Ralph Corderoy [this message]
2024-09-29 12:25 ` Warner Losh
2024-09-29 15:17 ` Ralph Corderoy
2024-09-30 12:15 ` Dan Cross
2024-09-28 18:01 ` G. Branden Robinson
2024-10-01 13:13 ` arnold
2024-10-01 13:32 ` Larry McVoy
2024-10-01 13:47 ` arnold
2024-10-01 14:01 ` Larry McVoy
2024-10-01 14:18 ` arnold
2024-10-01 14:25 ` Luther Johnson
2024-10-01 14:56 ` Dan Cross
2024-10-01 15:08 ` Stuff Received
2024-10-01 15:20 ` Larry McVoy
2024-10-01 15:38 ` Peter Weinberger (温博格) via TUHS
2024-10-01 15:50 ` ron minnich
2024-10-01 19:04 ` arnold
2024-10-01 16:49 ` Paul Winalski
2024-10-01 15:44 ` Bakul Shah via TUHS
2024-10-01 19:07 ` arnold
2024-10-01 20:34 ` Rik Farrow
2024-10-02 0:55 ` Steffen Nurpmeso
2024-10-02 5:49 ` arnold
2024-10-02 20:42 ` Dan Cross
2024-10-02 21:54 ` Marc Donner
2024-10-05 17:45 ` arnold
2024-10-06 12:20 ` Dan Cross
2024-10-06 12:29 ` [TUHS] UREP code (was Re: Re: Minimum Array Sizes in 16 bit C (was Maximum)) arnold
2024-10-01 16:40 ` [TUHS] Re: Minimum Array Sizes in 16 bit C (was Maximum) Paul Winalski
2024-09-28 18:05 ` Larry McVoy
2024-09-30 15:49 ` Paul Winalski
2024-09-29 16:56 Douglas McIlroy
2024-09-29 20:29 ` Rob Pike
2024-09-29 21:13 ` Rik Farrow
2024-09-29 22:21 ` Rich Salz
2024-09-29 23:56 ` Rob Pike
2024-09-30 0:36 ` Larry McVoy
2024-09-30 0:55 ` Larry McVoy
2024-09-30 1:09 ` Luther Johnson
2024-09-30 1:37 ` Luther Johnson
2024-09-30 3:52 ` ron minnich
2024-10-01 12:43 ` arnold
2024-09-30 19:12 ` Steffen Nurpmeso
2024-09-30 20:03 ` Rich Salz
2024-09-30 21:15 ` Steffen Nurpmeso
2024-09-30 22:14 ` Bakul Shah via TUHS
2024-10-01 1:42 ` Alexis
2024-09-30 20:14 ` Rik Farrow
2024-09-30 22:00 ` Steffen Nurpmeso
2024-10-01 12:53 ` Dan Cross
2024-11-18 12:00 ` Anton Shepelev
2024-11-18 12:46 ` Luther Johnson
2024-11-18 14:05 ` Steve Nickolas
2024-11-18 15:00 ` Anton Shepelev
2024-11-23 22:29 ` Alexander Schreiber
2024-11-18 14:55 ` Anton Shepelev
2024-11-18 16:52 ` G. Branden Robinson
2024-11-18 17:00 ` Anton Shepelev
2024-11-18 18:56 ` Luther Johnson
2024-11-22 1:53 ` Dan Cross
2024-11-22 2:55 ` Luther Johnson
2024-09-29 21:24 ` Ralph Corderoy
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