From 618fe0d21de20021208f04966c624d76dfc8d283 Mon Sep 17 00:00:00 2001
From: Petr Baudis <pasky@ucw.cz>
Date: Fri, 25 Jun 2010 21:37:17 +0200
Subject: [PATCH] genmove: Check board_play() return status

---
 gtp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gtp.c b/gtp.c
index cc05fb9..9fe6ee8 100644
--- a/gtp.c
+++ b/gtp.c
@@ -260,7 +260,10 @@ gtp_parse(struct board *board, struct engine *engine, struct time_info *ti, char
 
 		coord_t *c = engine->genmove(engine, board, &ti[color], color, !strcasecmp(cmd, "kgs-genmove_cleanup"));
 		struct move m = { *c, color };
-		board_play(board, &m);
+		if (board_play(board, &m) < 0) {
+			fprintf(stderr, "Attempted to generate an illegal move: [%s, %s]\n", coord2sstr(m.coord, board), stone2str(m.color));
+			abort();
+		}
 		char *str = coord2str(*c, board);
 		if (DEBUGL(1))
 			fprintf(stderr, "playing move %s\n", str);
-- 
2.11.4.GIT