From: Timo Sirainen <timo.sirainen@dovecot.fi>
Date: Sun, 26 Feb 2017 14:09:13 +0000 (+0200)
Subject: lib-index: Minor fix to day_first_uid updating
X-Git-Tag: 2.3.0.rc1~1933
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b0831ed2daa5724a883926534825337903cf97dc;p=thirdparty%2Fdovecot%2Fcore.git

lib-index: Minor fix to day_first_uid updating

mktime() was getting a bit confused around day changes. Giving it only
year/month/day makes it less confused.
---

diff --git a/src/lib-index/mail-index-transaction-update.c b/src/lib-index/mail-index-transaction-update.c
index e7f903e48c..82afaf39b9 100644
--- a/src/lib-index/mail-index-transaction-update.c
+++ b/src/lib-index/mail-index-transaction-update.c
@@ -123,6 +123,7 @@ void mail_index_update_day_headers(struct mail_index_transaction *t,
 	struct mail_index_header hdr;
 	const struct mail_index_record *rec;
 	const int max_days = N_ELEMENTS(hdr.day_first_uid);
+	const struct tm *day_tm;
 	struct tm tm;
 	time_t stamp;
 	int i, days;
@@ -131,10 +132,11 @@ void mail_index_update_day_headers(struct mail_index_transaction *t,
 	rec = array_idx(&t->appends, 0);
 
 	/* get beginning of today */
-	tm = *localtime(&day_stamp);
-	tm.tm_hour = 0;
-	tm.tm_min = 0;
-	tm.tm_sec = 0;
+	day_tm = localtime(&day_stamp);
+	i_zero(&tm);
+	tm.tm_year = day_tm->tm_year;
+	tm.tm_mon = day_tm->tm_mon;
+	tm.tm_mday = day_tm->tm_mday;
 	stamp = mktime(&tm);
 	i_assert(stamp != (time_t)-1);