From c129bec59a25b62b25763798d4a269a7a2fabe54 Mon Sep 17 00:00:00 2001
From: Ralph Corderoy <ralph@inputplus.co.uk>
Date: Tue, 12 Sep 2017 15:49:30 +0100
Subject: [PATCH] dmktime(): Break assignments so `*=' and `+=' can be used.

Add comments tracking the units of `result' from days to seconds.
---
 sbr/dtime.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/sbr/dtime.c b/sbr/dtime.c
index dd6802b2..f661ed14 100644
--- a/sbr/dtime.c
+++ b/sbr/dtime.c
@@ -345,12 +345,15 @@ dmktime (struct tws *tw)
     while (--mon)
 	result += dmsize[mon - 1];
     result += mday - 1;
-    result = 24 * result + hour;
-    result = 60 * result + min;
-    result = 60 * result + sec;
+    result *= 24; /* Days to hours. */
+    result += hour;
+    result *= 60; /* Hours to minutes. */
+    result += min;
+    result *= 60; /* Minutes to seconds. */
+    result += sec;
     result -= 60 * tw->tw_zone;
     if (tw->tw_flags & TW_DST)
-	result -= 60 * 60;
+	result -= 60 * 60; /* One hour. */
 
     return (tw->tw_clock = result);
 }
-- 
2.56.0