From add92896046c5ca099ce87c05514018b924aa8a9 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Fri, 24 Nov 2023 13:57:09 -0800 Subject: [PATCH 1/2] Fix bug introduced by fix for unusual TZif Problem reported by Alois Treindl in: https://mm.icann.org/pipermail/tz/2023-November/033257.html * localtime.c (tzparse): Do not assume sp->goback and sp->goahead are initialized. This fixes a bug inadvertantly created by the 2023-10-13 patch. --- NEWS | 3 ++- localtime.c | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/NEWS b/NEWS index 9fb12b9e..b7884c2d 100644 --- a/NEWS +++ b/NEWS @@ -29,7 +29,8 @@ Unreleased, experimental changes localtime.c no longer mishandles TZif files that contain a single transition into a DST regime. Previously, it incorrectly assumed - DST was in effect before the transition too. + DST was in effect before the transition too. (Thanks to Alois + Treindl for debugging help.) zic no longer mishandles data for Palestine after the year 2075. Previously, it incorrectly omitted post-2075 transitions that are diff --git a/localtime.c b/localtime.c index 1f6193a4..9bb4b2bf 100644 --- a/localtime.c +++ b/localtime.c @@ -1115,6 +1115,7 @@ tzparse(const char *name, struct state *sp, struct state const *basep) } if (0 < sp->leapcnt) leaplo = sp->lsis[sp->leapcnt - 1].ls_trans; + sp->goback = sp->goahead = false; if (*name != '\0') { if (*name == '<') { dstname = ++name; -- 2.40.1