From: H.G. Muller <h.g.muller@hccnet.nl>
Date: Fri, 26 Mar 2010 20:12:19 +0000 (+0100)
Subject: Fix crash on switching to ICS xiangqi game
X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=3e0b95b9aa551c36024c8d390611f1c1db6375e2;p=xboard.git

Fix crash on switching to ICS xiangqi game

The oldBoard was a local variable, and only squares of the old board
were initialized. This led to a crash if the copied board was enlarged,
and then displayed. The variable is now declared static, so the
uninitialized squares contain harmless zeros.
---

diff --git a/backend.c b/backend.c
index a5e26db..c58c091 100644
--- a/backend.c
+++ b/backend.c
@@ -1983,7 +1983,7 @@ void
 VariantSwitch(Board board, VariantClass newVariant)
 {
    int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
-   Board oldBoard;
+   static Board oldBoard;
 
    startedFromPositionFile = FALSE;
    if(gameInfo.variant == newVariant) return;