From 20efc7adda3ea5295829075bb8b581fdcb1199d1 Mon Sep 17 00:00:00 2001
From: Sadie Powell
Date: Mon, 14 Feb 2022 16:35:03 +0000
Subject: Handle negative times in InspIRCd::Duration.

---
 src/helperfuncs.cpp | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

(limited to 'src/helperfuncs.cpp')

diff --git a/src/helperfuncs.cpp b/src/helperfuncs.cpp
index 795f858fa..3aadb6080 100644
--- a/src/helperfuncs.cpp
+++ b/src/helperfuncs.cpp
@@ -426,25 +426,34 @@ std::string InspIRCd::DurationString(time_t duration)
 	if (duration == 0)
 		return "0s";
 
-	time_t years = duration / 31449600;
-	time_t weeks = (duration / 604800) % 52;
-	time_t days = (duration / 86400) % 7;
-	time_t hours = (duration / 3600) % 24;
-	time_t minutes = (duration / 60) % 60;
-	time_t seconds = duration % 60;
-
 	std::string ret;
+	if (duration < 0)
+	{
+		ret = "-";
+		duration = std::abs(duration);
+	}
 
+	time_t years = duration / 31449600;
 	if (years)
-		ret = ConvToStr(years) + "y";
+		ret += ConvToStr(years) + "y";
+
+	time_t weeks = (duration / 604800) % 52;
 	if (weeks)
 		ret += ConvToStr(weeks) + "w";
+
+	time_t days = (duration / 86400) % 7;
 	if (days)
 		ret += ConvToStr(days) + "d";
+
+	time_t hours = (duration / 3600) % 24;
 	if (hours)
 		ret += ConvToStr(hours) + "h";
+
+	time_t minutes = (duration / 60) % 60;
 	if (minutes)
 		ret += ConvToStr(minutes) + "m";
+
+	time_t seconds = duration % 60;
 	if (seconds)
 		ret += ConvToStr(seconds) + "s";
 
-- 
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