Fix crash on start without settings file

A primordial -1 in currCurrent caused a crash when WinBoard was started
without ini filein game-viewer mode.

diff --git a/evalgraph.c b/evalgraph.c
index f386df3..5fc735e 100644 (file)
--- a/evalgraph.c
+++ b/evalgraph.c
@@ -87,10 +87,13 @@ static int GetPvScore( int index )
 
 char* MakeEvalTitle( char * title)
 {
-    int score = currPvInfo[ currCurrent ].score;
-    int depth = currPvInfo[ currCurrent ].depth;
+    int score, depth;
     static char buf[MSG_SIZ];
 
+    if( currCurrent <0 ) return title; // currCurrent = -1 crashed WB on start without ini file!
+    score = currPvInfo[ currCurrent ].score;
+    depth = currPvInfo[ currCurrent ].depth;
+
     if( depth <=0 ) return title;
     if( currCurrent & 1 ) score = -score; /* Flip score for black */
     snprintf(buf, MSG_SIZ, "%s {%s%.2f/%-2d %d}", title, score>0 ? "+" : " ", score/100., depth, (currPvInfo[currCurrent].time+50)/100);