All of lore.kernel.org
 help / color / mirror / Atom feed
From: Collin Funk <collin.funk1@gmail.com>
To: Mark Harris <mark.hsj@gmail.com>
Cc: Alejandro Colomar <alx@kernel.org>,
	 linux-man@vger.kernel.org, libc-alpha@sourceware.org
Subject: Re: POSIX.1-2024 requires 64-bit time_t
Date: Sun, 18 May 2025 15:46:01 -0700	[thread overview]
Message-ID: <87iklxy1ue.fsf@gmail.com> (raw)
In-Reply-To: <CAMdZqKFyc=cNh-aQVLZ6ovEZurzqSREhY1gx8L0m27f2uS=smw@mail.gmail.com>

Mark Harris <mark.hsj@gmail.com> writes:

> For glibc, all 64-bit platforms, and the most recently added 32-bit
> platforms (arc, riscv32, or1k), use 64-bit time_t.  All older but
> still-supported 32-bit platforms (arm, csky, hppa, m68k, microblaze,
> mips, powerpc, s390, sh, sparc, x86) currently use 32-bit time_t by
> default but can use 64-bit time_t with -D_TIME_BITS=64.  For musl, all
> platforms use 64-bit time_t.

Thanks for the details.

I had looked into it and it seemed that time_t was 32-bits where
__WORD_SIZE == 32.  But it seems I missed the newer 32-bit platforms.

Collin

  parent reply	other threads:[~2025-05-18 22:46 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-18  9:58 POSIX.1-2024 requires 64-bit time_t Alejandro Colomar
2025-05-18 16:54 ` Collin Funk
2025-05-18 21:52   ` Mark Harris
2025-05-18 22:06     ` Alejandro Colomar
2025-05-18 22:09       ` Mark Harris
2025-05-18 22:13         ` Alejandro Colomar
2025-05-18 22:46     ` Collin Funk [this message]
2025-05-19 11:31     ` Andreas K. Huettel

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87iklxy1ue.fsf@gmail.com \
    --to=collin.funk1@gmail.com \
    --cc=alx@kernel.org \
    --cc=libc-alpha@sourceware.org \
    --cc=linux-man@vger.kernel.org \
    --cc=mark.hsj@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.