X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=moves.c;h=f9302318911dc7db6e0dfcd7b37b4ecc5b2dd073;hb=9e82e6c5e9f309f3ca1c3b0f38cdce2cfdcfa31d;hp=cb3584aee891f0c240c2c99877996c21ad318b1d;hpb=a8a8324fc365e51b7e93fb09571e90b6abb3a7d8;p=xboard.git

diff --git a/moves.c b/moves.c
index cb3584a..f930231 100644
--- a/moves.c
+++ b/moves.c
@@ -5,7 +5,7 @@
  * Massachusetts.
  *
  * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
- * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ * 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
  *
  * Enhancements Copyright 2005 Alessandro Scotti
  *
@@ -126,6 +126,7 @@ ChessSquare CharToPiece(c)
      int c;
 {
      int i;
+     if(c == '.') return EmptySquare;
      for(i=0; i< (int) EmptySquare; i++)
           if(pieceNickName[i] == c) return (ChessSquare) i;
      for(i=0; i< (int) EmptySquare; i++)
@@ -195,7 +196,7 @@ void GenPseudoLegal(board, flags, callback, closure)
           if(gameInfo.variant == VariantShogi)
                  piece = (ChessSquare) ( SHOGI piece );
 
-          switch (piece) {
+          switch ((int)piece) {
             /* case EmptySquare: [HGM] this is nonsense, and conflicts with Shogi cases */
 	    default:
 	      /* can't happen ([HGM] except for faries...) */
@@ -419,7 +420,8 @@ void GenPseudoLegal(board, flags, callback, closure)
                           && !SameColor(board[rf][ff], board[rt][ft]))
                                callback(board, flags, NormalMove,
                                         rf, ff, rt, ft, closure);
-                      if(gameInfo.variant == VariantShatranj && gameInfo.variant == VariantCourier) continue; // classical Alfil
+                      if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier
+                                                             || gameInfo.variant == VariantXiangqi) continue; // classical Alfil
                       rt = rf + rs; // in unknown variant we assume Modern Elephant, which can also do one step
                       ft = ff + fs;
                       if (!(rt < 0 || rt >= BOARD_HEIGHT || ft < BOARD_LEFT || ft >= BOARD_RGHT)
@@ -1002,6 +1004,7 @@ int CheckTest(board, flags, rf, ff, rt, ft, enPassant)
     for (cl.fking = BOARD_LEFT+0; cl.fking < BOARD_RGHT; cl.fking++)
 	for (cl.rking = 0; cl.rking < BOARD_HEIGHT; cl.rking++) {
           if (board[cl.rking][cl.fking] == king) {
+	      cl.check = 0;
               if(gameInfo.variant == VariantXiangqi) {
                   /* [HGM] In Xiangqi opposing Kings means check as well */
                   int i, dir;
@@ -1012,7 +1015,6 @@ int CheckTest(board, flags, rf, ff, rt, ft, enPassant)
                       board[i][cl.fking] == (dir>0 ? BlackWazir : WhiteWazir) )
                           cl.check++;
               }
-	      cl.check = 0;
 	      GenPseudoLegal(board, flags ^ F_WHITE_ON_MOVE, CheckTestCallback, (VOIDSTAR) &cl);
 	      if(gameInfo.variant != VariantSpartan || cl.check == 0) // in Spartan Chess go on to test if other King is checked too
 	         goto undo_move;  /* 2-level break */
@@ -1701,11 +1703,11 @@ typedef struct {
 int preyStackPointer, chaseStackPointer;
 
 struct {
-char rf, ff, rt, ft;
+unsigned char rf, ff, rt, ft;
 } chaseStack[100];
 
 struct {
-char rank, file;
+unsigned char rank, file;
 } preyStack[100];