From 5f838735df6917ff95b658f486d548928f59723d Mon Sep 17 00:00:00 2001
From: Markus Uhlin <markus@nifty-networks.net>
Date: Sun, 5 May 2024 17:58:13 +0200
Subject: Reformatted legal_king_move()

---
 FICS/movecheck.c | 98 ++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 59 insertions(+), 39 deletions(-)

diff --git a/FICS/movecheck.c b/FICS/movecheck.c
index 005eaf1..e3d1f51 100644
--- a/FICS/movecheck.c
+++ b/FICS/movecheck.c
@@ -307,46 +307,66 @@ PRIVATE int is_square_attacked(game_state_t * gs, int kf, int kr)
 }
 */
 
-PRIVATE int legal_king_move(game_state_t * gs, int ff, int fr, int tf, int tr)
+PRIVATE int
+legal_king_move(game_state_t *gs, int ff, int fr, int tf, int tr)
 {
-  if (gs->onMove == WHITE) {
-    /* King side castling */
-    if ((fr == 0) && (tr == 0) && (ff == 4) && (tf == 6) && !gs->wkmoved
-	&& (!gs->wkrmoved) && (gs->board[5][0] == NOPIECE) &&
-	(gs->board[6][0] == NOPIECE) && (gs->board[7][0] == W_ROOK) &&
-	(!is_square_attacked(gs, 4, 0)) && (!is_square_attacked(gs, 5, 0))) {
-      return 1;
-    }
-    /* Queen side castling */
-    if ((fr == 0) && (tr == 0) && (ff == 4) && (tf == 2) && !gs->wkmoved
-	&& (!gs->wqrmoved) && (gs->board[3][0] == NOPIECE) &&
-	(gs->board[2][0] == NOPIECE) && (gs->board[1][0] == NOPIECE) &&
-	(gs->board[0][0] == W_ROOK) &&
-	(!is_square_attacked(gs, 4, 0)) && (!is_square_attacked(gs, 3, 0))) {
-      return 1;
-    }
-  } else {			/* Black */
-    /* King side castling */
-    if ((fr == 7) && (tr == 7) && (ff == 4) && (tf == 6) && !gs->bkmoved
-	&& (!gs->bkrmoved) && (gs->board[5][7] == NOPIECE) &&
-	(gs->board[6][7] == NOPIECE) && (gs->board[7][7] == B_ROOK) &&
-	(!is_square_attacked(gs, 4, 7)) && (!is_square_attacked(gs, 5, 7))) {
-      return 1;
-    }
-    /* Queen side castling */
-    if ((fr == 7) && (tr == 7) && (ff == 4) && (tf == 2) && (!gs->bkmoved)
-	&& (!gs->bqrmoved) && (gs->board[3][7] == NOPIECE) &&
-	(gs->board[2][7] == NOPIECE) && (gs->board[1][7] == NOPIECE) &&
-	(gs->board[0][7] == B_ROOK) &&
-	(!is_square_attacked(gs, 4, 7)) && (!is_square_attacked(gs, 3, 7))) {
-      return 1;
-    }
-  }
-  if (((ff - tf) > 1) || ((tf - ff) > 1))
-    return 0;
-  if (((fr - tr) > 1) || ((tr - fr) > 1))
-    return 0;
-  return 1;
+	if (gs->onMove == WHITE) {
+		/* King side castling */
+		if ((fr == 0) && (tr == 0) && (ff == 4) && (tf == 6) &&
+		    (!gs->wkmoved) &&
+		    (!gs->wkrmoved) &&
+		    (gs->board[5][0] == NOPIECE) &&
+		    (gs->board[6][0] == NOPIECE) &&
+		    (gs->board[7][0] == W_ROOK) &&
+		    (!is_square_attacked(gs, 4, 0)) &&
+		    (!is_square_attacked(gs, 5, 0))) {
+			return 1;
+		}
+
+		/* Queen side castling */
+		if ((fr == 0) && (tr == 0) && (ff == 4) && (tf == 2) &&
+		    (!gs->wkmoved) &&
+		    (!gs->wqrmoved) &&
+		    (gs->board[3][0] == NOPIECE) &&
+		    (gs->board[2][0] == NOPIECE) &&
+		    (gs->board[1][0] == NOPIECE) &&
+		    (gs->board[0][0] == W_ROOK) &&
+		    (!is_square_attacked(gs, 4, 0)) &&
+		    (!is_square_attacked(gs, 3, 0))) {
+			return 1;
+		}
+	} else {	/* Black */
+		/* King side castling */
+		if ((fr == 7) && (tr == 7) && (ff == 4) && (tf == 6) &&
+		    (!gs->bkmoved) &&
+		    (!gs->bkrmoved) &&
+		    (gs->board[5][7] == NOPIECE) &&
+		    (gs->board[6][7] == NOPIECE) &&
+		    (gs->board[7][7] == B_ROOK) &&
+		    (!is_square_attacked(gs, 4, 7)) &&
+		    (!is_square_attacked(gs, 5, 7))) {
+			return 1;
+		}
+
+		/* Queen side castling */
+		if ((fr == 7) && (tr == 7) && (ff == 4) && (tf == 2) &&
+		    (!gs->bkmoved) &&
+		    (!gs->bqrmoved) &&
+		    (gs->board[3][7] == NOPIECE) &&
+		    (gs->board[2][7] == NOPIECE) &&
+		    (gs->board[1][7] == NOPIECE) &&
+		    (gs->board[0][7] == B_ROOK) &&
+		    (!is_square_attacked(gs, 4, 7)) &&
+		    (!is_square_attacked(gs, 3, 7))) {
+			return 1;
+		}
+	}
+
+	if (((ff - tf) > 1) || ((tf - ff) > 1))
+		return 0;
+	if (((fr - tr) > 1) || ((tr - fr) > 1))
+		return 0;
+	return 1;
 }
 
 PRIVATE void
-- 
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