From 3c3ce8991e0f5b5352eec4c9f219540495f46b35 Mon Sep 17 00:00:00 2001
From: Petr Baudis <pasky@ucw.cz>
Date: Wed, 11 Aug 2010 12:04:36 +0200
Subject: [PATCH] Joseki: Do not crash in prior/moggy in case of no joseki dict
 loaded

---
 joseki/base.c   | 1 +
 playout/moggy.c | 3 +++
 uct/prior.c     | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/joseki/base.c b/joseki/base.c
index 51a2d21..2e54964 100644
--- a/joseki/base.c
+++ b/joseki/base.c
@@ -69,6 +69,7 @@ joseki_load(int bsize)
 void
 joseki_done(struct joseki_dict *jd)
 {
+	if (!jd) return;
 	free(jd->patterns);
 	free(jd);
 }
diff --git a/playout/moggy.c b/playout/moggy.c
index f28aa3c..7acb0ee 100644
--- a/playout/moggy.c
+++ b/playout/moggy.c
@@ -462,6 +462,9 @@ static coord_t
 joseki_check(struct playout_policy *p, struct board *b, enum stone to_play, struct board_state *s)
 {
 	struct moggy_policy *pp = p->data;
+	if (!pp->jdict)
+		return pass;
+
 	struct move_queue q;
 	q.moves = 0;
 
diff --git a/uct/prior.c b/uct/prior.c
index 033d405..ad5c7ce 100644
--- a/uct/prior.c
+++ b/uct/prior.c
@@ -127,6 +127,8 @@ void
 uct_prior_joseki(struct uct *u, struct tree_node *node, struct prior_map *map)
 {
 	/* Q_{joseki} */
+	if (!u->jdict)
+		return;
 	for (int i = 0; i < 4; i++) {
 		hash_t h = map->b->qhash[i] & joseki_hash_mask;
 		coord_t *cc = u->jdict->patterns[h].moves[map->to_play - 1];
-- 
2.11.4.GIT