From bc2d2ede4c5a50383ae48a9afe12332b37571701 Mon Sep 17 00:00:00 2001
From: Petr Baudis <pasky@ucw.cz>
Date: Thu, 11 Feb 2010 00:14:53 +0100
Subject: [PATCH] time_left(): Allow time_left==0, stones_left==0 from strange
 GTP peers

Pointed out by jlg.
---
 timeinfo.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/timeinfo.c b/timeinfo.c
index 9d4958f..babeaa3 100644
--- a/timeinfo.c
+++ b/timeinfo.c
@@ -96,11 +96,18 @@ time_left(struct time_info *ti, int time_left, int stones_left)
 	assert(ti->period != TT_NULL);
 	ti->dim = TD_WALLTIME;
 
-	if (stones_left == 0) {
+	if (!time_left && !stones_left) {
+		/* Some GTP peers send time_left 0 0 at the end of main time. */
+		ti->period = TT_MOVE;
+		ti->len.t.main_time = 0;
+		/* byoyomi_time kept fully charged. */
+
+	} else if (!stones_left) {
 		/* Main time */
 		ti->period = TT_TOTAL;
 		ti->len.t.main_time = time_left;
 		/* byoyomi_time kept fully charged. */
+
 	} else {
 		/* Byoyomi */
 		ti->period = TT_MOVE;
-- 
2.11.4.GIT