From: Alejandro Colomar <alx@kernel.org>
To: linux-man@vger.kernel.org
Cc: Alejandro Colomar <alx@kernel.org>,
libc-help@sourceware.org, ~hallyn/shadow@lists.sr.ht,
Jakub Wilk <jwilk@jwilk.net>, Florian Weimer <fweimer@redhat.com>,
Iker Pedrosa <ipedrosa@redhat.com>,
Michael Kerrisk <mtk.manpages@gmail.com>
Subject: [PATCH v2] strtol.3, strtoul.3: ERRORS: Clarify that these don't set errno on success
Date: Fri, 1 Dec 2023 00:07:20 +0100 [thread overview]
Message-ID: <20231130230635.4004-3-alx@kernel.org> (raw)
In-Reply-To: <20231130152910.322395-2-alx@kernel.org>
[-- Attachment #1: Type: text/plain, Size: 949 bytes --]
That's a guarantee made by POSIX.
Reported-by: Jakub Wilk <jwilk@jwilk.net>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: Iker Pedrosa <ipedrosa@redhat.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
---
man3/strtol.3 | 3 +++
man3/strtoul.3 | 3 +++
2 files changed, 6 insertions(+)
diff --git a/man3/strtol.3 b/man3/strtol.3
index 01c658025..1f1f98216 100644
--- a/man3/strtol.3
+++ b/man3/strtol.3
@@ -124,6 +124,9 @@ .SH RETURN VALUE
and
.BR LONG_MAX ).
.SH ERRORS
+This function does not modify
+.I errno
+on success.
.TP
.B EINVAL
(not in C99)
diff --git a/man3/strtoul.3 b/man3/strtoul.3
index a01a1d8db..32bd36dfc 100644
--- a/man3/strtoul.3
+++ b/man3/strtoul.3
@@ -124,6 +124,9 @@ .SH RETURN VALUE
instead of
.BR ULONG_MAX ).
.SH ERRORS
+This function does not modify
+.I errno
+on success.
.TP
.B EINVAL
(not in C99)
--
2.42.0
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
prev parent reply other threads:[~2023-11-30 23:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-30 15:29 [PATCH 1/2] Revert "strtol.3: EXAMPLES: Simplify errno checking" Alejandro Colomar
2023-11-30 15:30 ` [PATCH 2/2] strtol.3: EXAMPLES: Fix error checking Alejandro Colomar
2023-11-30 23:07 ` Alejandro Colomar [this message]
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=20231130230635.4004-3-alx@kernel.org \
--to=alx@kernel.org \
--cc=fweimer@redhat.com \
--cc=ipedrosa@redhat.com \
--cc=jwilk@jwilk.net \
--cc=libc-help@sourceware.org \
--cc=linux-man@vger.kernel.org \
--cc=mtk.manpages@gmail.com \
--cc=~hallyn/shadow@lists.sr.ht \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).