From 741e08ab9d605852baa502fd6eccf39bc0d0015d Mon Sep 17 00:00:00 2001
From: =?utf8?q?Crist=C3=B3v=C3=A3o=20Cruz?= <cac@ua.pt>
Date: Tue, 6 Apr 2010 12:38:15 +0100
Subject: [PATCH] Clear screen in the end.

---
 funnysort.c | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/funnysort.c b/funnysort.c
index 8e827ad..6f24f76 100644
--- a/funnysort.c
+++ b/funnysort.c
@@ -58,6 +58,7 @@ void erase_board (board_t *board)
 {
 	conglReset();
 	conglClearScreen();
+	conglMoveCursor(1, 1);
 }
 
 void move_sorter(board_t *board, sorter_t *sorter)
@@ -93,25 +94,23 @@ void move_sorter(board_t *board, sorter_t *sorter)
 	} while ((item != EMPTY) && (ncycles < SORTER_MOVE_TRIES));
 
 	/* If sorter failed to move, respawn in random position */
-	if (item != EMPTY) {
-		do {
-			newline = random()%HEIGHT;
-			newcolumn = random()%WIDTH;
+	while (item != EMPTY) {
+		newline = random()%HEIGHT;
+		newcolumn = random()%WIDTH;
 
-			/* lock position to where the sorter may move */
-			pthread_mutex_lock((board->lock)[newline]+newcolumn);
-			peek_item(newline, newcolumn, board, &item);
-			if (item != EMPTY) {
-				/* unlock if position if not available */
-				pthread_mutex_unlock((board->lock)[newline]+newcolumn);
-			}
-		} while (item != EMPTY);
+		/* lock position to where the sorter may move */
+		pthread_mutex_lock((board->lock)[newline]+newcolumn);
+		peek_item(newline, newcolumn, board, &item);
+		if (item != EMPTY) {
+			/* unlock if position if not available */
+			pthread_mutex_unlock((board->lock)[newline]+newcolumn);
+		}
 	}
 
 	/* Update board. */
 
 	/* Don't reset the item if sorter just droped one. */
-	/* If an item was droped, it will be different of SORTER. */
+	/* If an item was droped, it will be different from SORTER. */
 	peek_item(sorter->line, sorter->column, board, &sorter_item);
 	if (sorter_item == SORTER) {
 		poke_item (sorter->line, sorter->column, board, EMPTY);
-- 
2.11.4.GIT