From 96d81730bada204542411f34e3d945416fed48e0 Mon Sep 17 00:00:00 2001
From: Markus Uhlin <markus@nifty-networks.net>
Date: Sun, 17 Mar 2024 21:37:56 +0100
Subject: Reformatted legal_bishop_move() and replaced the for-loop with a
 while-loop

---
 FICS/movecheck.c | 77 +++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 45 insertions(+), 32 deletions(-)

(limited to 'FICS/movecheck.c')

diff --git a/FICS/movecheck.c b/FICS/movecheck.c
index 28d0bac..69b8293 100644
--- a/FICS/movecheck.c
+++ b/FICS/movecheck.c
@@ -194,39 +194,52 @@ PRIVATE int legal_knight_move(game_state_t * gs, int ff, int fr, int tf, int tr)
   return 0;
 }
 
-PRIVATE int legal_bishop_move(game_state_t * gs, int ff, int fr, int tf, int tr)
+PRIVATE int
+legal_bishop_move(game_state_t *gs, int ff, int fr, int tf, int tr)
 {
-  int dx, dy, x, y;
-  int startx, starty;
-  int count;
-  int incx, incy;
-
-  if (ff > tf) {
-    dx = ff - tf;
-    incx = -1;
-  } else {
-    dx = tf - ff;
-    incx = 1;
-  }
-  startx = ff + incx;
-  if (fr > tr) {
-    dy = fr - tr;
-    incy = -1;
-  } else {
-    dy = tr - fr;
-    incy = 1;
-  }
-  starty = fr + incy;
-  if (dx != dy)
-    return 0;			/* Not diagonal */
-  if (dx == 1)
-    return 1;			/* One square, ok */
-  count = dx - 1;
-  for (x = startx, y = starty; count; x += incx, y += incy, count--) {
-    if (gs->board[x][y] != NOPIECE)
-      return 0;
-  }
-  return 1;
+	int	count;
+	int	dx, dy, x, y;
+	int	incx, incy;
+	int	startx, starty;
+
+	if (ff > tf) {
+		dx = ff - tf;
+		incx = -1;
+	} else {
+		dx = tf - ff;
+		incx = 1;
+	}
+
+	startx = ff + incx;
+
+	if (fr > tr) {
+		dy = fr - tr;
+		incy = -1;
+	} else {
+		dy = tr - fr;
+		incy = 1;
+	}
+
+	starty = fr + incy;
+
+	if (dx != dy)
+		return 0;	// Not diagonal
+	if (dx == 1)
+		return 1;	// One square, ok.
+
+	count = dx - 1;
+	x = startx;
+	y = starty;
+
+	while (count) {
+		if (gs->board[x][y] != NOPIECE)
+			return 0;
+		x += incx;
+		y += incy;
+		count--;
+	}
+
+	return 1;
 }
 
 PRIVATE int
-- 
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