From 910aa99e6eb72309a855c3d9d3b1ed600dcec3d9 Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Mon, 18 Jul 2005 19:07:36 +0000
Subject: [PATCH] Another fix from Chris: Guess's allow-blanks mode wasn't
 allowing blanks...

[originally from svn r6118]
---
 guess.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/guess.c b/guess.c
index e9b0ca0..0984d24 100644
--- a/guess.c
+++ b/guess.c
@@ -768,7 +768,8 @@ static game_state *execute_move(game_state *from, char *move)
 
 	for (i = 0; i < from->solution->npegs; i++) {
 	    int val = atoi(p);
-	    if (val <= 0 || val > from->params.ncolours) {
+	    int min_colour = from->params.allow_blank? 0 : 1;
+	    if (val < min_colour || val > from->params.ncolours) {
 		free_game(ret);
 		return NULL;
 	    }