Do not bother to validate the obsolete standrd/wall and UT/local
indicators. The code has not used them since 2026a.
* NEWS: Mention this.
* localtime.c (struct ttinfo): Remove tt_ttisstd and tt_ttisut
members. All uses removed.
(tzloadbody): Don’t bother validating these obsolescent indicators.
---
NEWS | 5 +++++
localtime.c | 31 +++----------------------------
2 files changed, 8 insertions(+), 28 deletions(-)
diff --git a/NEWS b/NEWS
index 59ce1618..4f95684e 100644
--- a/NEWS
+++ b/NEWS
@@ -60,6 +60,11 @@ Unreleased, experimental changes
when given TZif files holding some unlikely timezone histories.
(Problem reported by David Sarkisyan.)
+ localtime-related functions no longer check the values of TZif
+ files’ standard/wall and UT/local indicators, which these
+ functions have not used since 2026c’s removal of the old
+ posixrules feature.
+
Changes to documentation
URLs for release tarballs in tz-link.html have been updated to
diff --git a/localtime.c b/localtime.c
index 7f41838f..3ffb02d1 100644
--- a/localtime.c
+++ b/localtime.c
@@ -475,8 +475,6 @@ struct ttinfo { /* time type
information */
-2**31 + 1 .. 2**31 - 1 */
desigidx_type tt_desigidx; /* abbreviation list index */
bool tt_isdst; /* used to set tm_isdst */
- bool tt_ttisstd; /* transition is std time */
- bool tt_ttisut; /* transition is UT */
};
struct lsinfo { /* leap second information */
@@ -639,8 +637,6 @@ init_ttinfo(struct ttinfo *s, int_fast32_t utoff, bool
isdst,
s->tt_utoff = utoff;
s->tt_isdst = isdst;
s->tt_desigidx = desigidx;
- s->tt_ttisstd = false;
- s->tt_ttisut = false;
}
/* Return true if SP's time type I does not specify local time. */
@@ -1196,30 +1192,9 @@ tzloadbody(char const *name, struct state *sp, char
tzloadflags,
}
set_leapcount(sp, leapcnt);
- for (i = 0; i < sp->typecnt; ++i) {
- register struct ttinfo * ttisp;
-
- ttisp = &sp->ttis[i];
- if (ttisstdcnt == 0)
- ttisp->tt_ttisstd = false;
- else {
- if (*p != true && *p != false)
- return EFTYPE;
- ttisp->tt_ttisstd = *p++;
- }
- }
- for (i = 0; i < sp->typecnt; ++i) {
- register struct ttinfo * ttisp;
-
- ttisp = &sp->ttis[i];
- if (ttisutcnt == 0)
- ttisp->tt_ttisut = false;
- else {
- if (*p != true && *p != false)
- return EFTYPE;
- ttisp->tt_ttisut = *p++;
- }
- }
+ /* Do not bother to validate standard/wall and UT/local
+ indicators, as they are no longer used here. */
+ p += ttisstdcnt + ttisutcnt;
}
nread -= p - up->buf;
--
2.55.0
