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Sm=C3=B8rg?=rav Subject: git: f1977dc59516 - stable/14 - tzcode: Use -00 only for invalid time zones List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: des X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: f1977dc59516fb92a357a6195e0c1c8c6d5e7abc Auto-Submitted: auto-generated Date: Thu, 02 Apr 2026 11:20:47 +0000 Message-Id: <69ce510f.1d05d.6e39a7e1@gitrepo.freebsd.org> The branch stable/14 has been updated by des: URL: https://cgit.FreeBSD.org/src/commit/?id=f1977dc59516fb92a357a6195e0c1c8c6d5e7abc commit f1977dc59516fb92a357a6195e0c1c8c6d5e7abc Author: Dag-Erling Smørgrav AuthorDate: 2025-09-23 12:56:11 +0000 Commit: Dag-Erling Smørgrav CommitDate: 2026-04-02 11:16:00 +0000 tzcode: Use -00 only for invalid time zones As of tzcode 2025a, if we are unable to load a time zone, we set tzname to "-00" to indicate an error. This penalizes users who simply don't set TZ or create /etc/localtime as a faster way of setting the time zone to UTC (pointing /etc/localtime at /usr/share/zoneinfo/UTC forces us to parse it every time for no real benefit). To rectify this, use "-00" only if TZ was set or zoneinit() returned something else than ENOENT. MFC after: 3 days Fixes: 967a49a21a27 ("Update tzcode to 2025b") Reviewed by: philip Differential Revision: https://reviews.freebsd.org/D52680 (cherry picked from commit a5f14e4f9069a8ffed66d923bb0ecf20d8a0e6af) --- contrib/tzcode/localtime.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/contrib/tzcode/localtime.c b/contrib/tzcode/localtime.c index 15afeeecb6d0..7ba72d730648 100644 --- a/contrib/tzcode/localtime.c +++ b/contrib/tzcode/localtime.c @@ -1649,9 +1649,13 @@ tzset_unlocked_name(char const *name) lclptr = sp = malloc(sizeof *lclptr); # endif if (sp) { - if (zoneinit(sp, name, TZLOAD_FROMENV | TZLOAD_TZSTRING) != 0) { + int err = zoneinit(sp, name, TZLOAD_FROMENV | TZLOAD_TZSTRING); + if (err != 0) { zoneinit(sp, "", 0); - strcpy(sp->chars, UNSPEC); + /* Abbreviate with "-00" if there was an error. + Do not treat a missing TZDEFAULT file as an error. */ + if (name || err != ENOENT) + strcpy(sp->chars, UNSPEC); } if (0 < lcl) strcpy(lcl_TZname, name);