From af590f83b7f8e843b2274c33099b653c2be438da Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Gomez?= <bip@kyoshiro.org>
Date: Sun, 9 Jan 2022 21:12:24 +0100
Subject: [PATCH] lag shouldn't be allowed to go negative

---
 src/irc.c | 7 ++++++-
 src/irc.h | 4 ++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/irc.c b/src/irc.c
index afc4641..4762751 100644
--- a/src/irc.c
+++ b/src/irc.c
@@ -188,8 +188,13 @@ void irc_start_lagtest(struct link_server *l)
  */
 void irc_compute_lag(struct link_server *is)
 {
+	time_t lag;
 	assert(is->laginit_ts != -1);
-	is->lag = time(NULL) - is->laginit_ts;
+	lag = time(NULL) - is->laginit_ts;
+	if (lag > LAGOUT_TIME*2)
+		is->lag = LAGOUT_TIME*2;
+	else
+		is->lag = (unsigned)lag;
 }
 
 int irc_lags_out(struct link_server *is)
diff --git a/src/irc.h b/src/irc.h
index f3fc68b..e29ac77 100644
--- a/src/irc.h
+++ b/src/irc.h
@@ -239,8 +239,8 @@ struct link_server {
 	size_t user_mode_len;
 
 	/* init stuff */
-	int lag;
-	int laginit_ts;
+	unsigned lag;
+	time_t laginit_ts;
 	int lagtest_timeout;
 
 	/* chanmodes */