From: H.G.Muller <hgm@hgm-xboard.(none)>
Date: Wed, 8 Oct 2025 08:54:59 +0000 (+0200)
Subject: Reduce crash risk
X-Git-Url: http://winboard.nl/cgi-bin?a=commitdiff_plain;h=c7d6baff248a83f032fb7eaeaf634c597726472d;p=hachu.git

Reduce crash risk

Some arrays are enlarged to avoid they will overflow at large search depth.
---

diff --git a/hachu.c b/hachu.c
index 6ab5442..ee53b1e 100644
--- a/hachu.c
+++ b/hachu.c
@@ -168,7 +168,7 @@ int retMSP, retFirst, retDep, pvPtr, level, cnt50, mobilityScore;
 int ll, lr, ul, ur; // corner squares
 int nodes, startTime, lastRootMove, lastRootIter, tlim1, tlim2, tlim3, repCnt, comp, abortFlag;
 Move ponderMove;
-Move retMove, moveStack[20000], path[100], repStack[300], pv[1000], repeatMove[300], killer[100][2];
+Move retMove, moveStack[80000], path[200], repStack[400], pv[10000], repeatMove[300], killer[200][2];
 
       int maxDepth;                            // used by search
 
@@ -3033,7 +3033,7 @@ pboard(board);
 	  }
           continue;
         }
-        if(!strcmp(command, "sd"))      { sscanf(inBuf, "sd %d", &maxDepth);    continue; }
+        if(!strcmp(command, "sd"))      { sscanf(inBuf, "sd %d", &maxDepth); maxDepth &= 63; continue; }
         if(!strcmp(command, "st"))      { sscanf(inBuf, "st %d", &timePerMove); continue; }
 
         if(!strcmp(command, "memory"))  { SetMemorySize(atoi(inBuf+7)); continue; }