From 0ac472958c146d990e24a7ca0a621938def30b3c Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Mon, 28 Mar 2022 20:16:28 -0400
Subject: datetime: Use difftime() in normalization

---
(limited to 'src')

diff --git a/src/datetime.c b/src/datetime.c
index 2159bb2..455e7dc 100644
--- a/src/datetime.c
+++ b/src/datetime.c
@@ -104,7 +104,7 @@ _datetime_normalize(struct tm *now_tm, struct tm *arg_tm, time_t *arg_sec)
 		arg_tm->tm_mday = now_tm->tm_mday;
 		arg_tm->tm_wday = now_tm->tm_wday;
 		*arg_sec = mktime(arg_tm);
-		if (*arg_sec <= mktime(now_tm)) {
+		if (difftime(*arg_sec, mktime(now_tm)) <= 0) {
 			/* Specified time already happened today; use tomorrow.
 			 */
 			++arg_tm->tm_mday;
@@ -141,7 +141,7 @@ _datetime_normalize(struct tm *now_tm, struct tm *arg_tm, time_t *arg_sec)
 		/* No year specified; try this year. */
 		arg_tm->tm_year = now_tm->tm_year;
 		*arg_sec = mktime(arg_tm);
-		if (*arg_sec <= mktime(now_tm)) {
+		if (difftime(*arg_sec, mktime(now_tm)) <= 0) {
 			/* Specified time already happened this year; use next
 			 * year. */
 			++arg_tm->tm_year;
--
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