From 83f2ef7227030c4b88ec1006e49d9304aa6f7be0 Mon Sep 17 00:00:00 2001
From: dholland <dholland@NetBSD.org>
Date: Sat, 13 Oct 2012 19:19:38 +0000
Subject: Pass the move info around instead of using it as a global.

---
 backgammon/teachgammon/teach.c | 13 +++++++++----
 backgammon/teachgammon/tutor.c | 21 ++++++++++-----------
 backgammon/teachgammon/tutor.h |  6 ++++--
 3 files changed, 23 insertions(+), 17 deletions(-)

(limited to 'backgammon/teachgammon')

diff --git a/backgammon/teachgammon/teach.c b/backgammon/teachgammon/teach.c
index 9d10908d..7559f5ad 100644
--- a/backgammon/teachgammon/teach.c
+++ b/backgammon/teachgammon/teach.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: teach.c,v 1.21 2010/03/22 05:10:19 mrg Exp $	*/
+/*	$NetBSD: teach.c,v 1.22 2012/10/13 19:19:39 dholland Exp $	*/
 
 /*
  * Copyright (c) 1980, 1993
@@ -39,7 +39,7 @@ __COPYRIGHT("@(#) Copyright (c) 1980, 1993\
 #if 0
 static char sccsid[] = "@(#)teach.c	8.1 (Berkeley) 5/31/93";
 #else
-__RCSID("$NetBSD: teach.c,v 1.21 2010/03/22 05:10:19 mrg Exp $");
+__RCSID("$NetBSD: teach.c,v 1.22 2012/10/13 19:19:39 dholland Exp $");
 #endif
 #endif				/* not lint */
 
@@ -63,6 +63,7 @@ int
 main(int argc __unused, char *argv[])
 {
 	int     i;
+	struct move mmstore, *mm;
 
 	/* revoke setgid privileges */
 	setgid(getgid());
@@ -76,12 +77,16 @@ main(int argc __unused, char *argv[])
 	raw.c_lflag &= ~ICANON;	/* set up modes */
 	ospeed = cfgetospeed(&old);	/* for termlib */
 	tflag = getcaps(getenv("TERM"));
+
+	/* need this now beceause getarg() may try to load a game */
+	mm = &mmstore;
+	move_init(mm);
 #ifdef V7
 	while (*++argv != 0)
 #else
 	while (*++argv != -1)
 #endif
-		getarg(&argv);
+		getarg(mm, &argv);
 	if (tflag) {
 		noech.c_oflag &= ~(ONLCR | OXTABS);
 		raw.c_oflag &= ~(ONLCR | OXTABS);
@@ -137,7 +142,7 @@ main(int argc __unused, char *argv[])
 			if ((i = wrtext(lastch)) != 0)
 				break;
 		}
-	tutor();
+	tutor(mm);
 	/* NOTREACHED */
 	return (0);
 }
diff --git a/backgammon/teachgammon/tutor.c b/backgammon/teachgammon/tutor.c
index 394caf86..efbd7f08 100644
--- a/backgammon/teachgammon/tutor.c
+++ b/backgammon/teachgammon/tutor.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: tutor.c,v 1.10 2012/10/13 18:44:15 dholland Exp $	*/
+/*	$NetBSD: tutor.c,v 1.11 2012/10/13 19:19:39 dholland Exp $	*/
 
 /*
  * Copyright (c) 1980, 1993
@@ -34,7 +34,7 @@
 #if 0
 static char sccsid[] = "@(#)tutor.c	8.1 (Berkeley) 5/31/93";
 #else
-__RCSID("$NetBSD: tutor.c,v 1.10 2012/10/13 18:44:15 dholland Exp $");
+__RCSID("$NetBSD: tutor.c,v 1.11 2012/10/13 19:19:39 dholland Exp $");
 #endif
 #endif				/* not lint */
 
@@ -48,10 +48,9 @@ static int brdeq(const int *, const int *);
 static void clrest(void);
 
 void
-tutor(void)
+tutor(struct move *mm)
 {
 	int     i, j;
-	struct move *mm = &gm;
 
 	i = 0;
 	begscr = 18;
@@ -73,17 +72,17 @@ tutor(void)
 				curmove(18, 0);
 			writel(better);
 			nexturn();
-			movback(mm->mvlim);
+			movback(mm, mm->mvlim);
 			if (tflag) {
 				refresh();
 				clrest();
 			}
 			if ((!tflag) || curr == 19) {
-				proll();
+				proll(mm);
 				writec('\t');
 			} else
 				curmove(curr > 19 ? curr - 2 : curr + 4, 25);
-			getmove();
+			getmove(mm);
 			if (cturn == 0)
 				leave();
 			continue;
@@ -108,7 +107,7 @@ tutor(void)
 		}
 		if (mm->mvlim)
 			for (j = 0; j < mm->mvlim; j++)
-				if (makmove(j))
+				if (makmove(mm, j))
 					writel("AARGH!!!\n");
 		if (tflag)
 			refresh();
@@ -117,13 +116,13 @@ tutor(void)
 		mm->D1 = test[i].new2;
 		mm->d0 = 0;
 		i++;
-		mm->mvlim = movallow();
+		mm->mvlim = movallow(mm);
 		if (mm->mvlim) {
 			if (tflag)
 				clrest();
-			proll();
+			proll(mm);
 			writec('\t');
-			getmove();
+			getmove(mm);
 			if (tflag)
 				refresh();
 			if (cturn == 0)
diff --git a/backgammon/teachgammon/tutor.h b/backgammon/teachgammon/tutor.h
index 26e55e1f..203f0fca 100644
--- a/backgammon/teachgammon/tutor.h
+++ b/backgammon/teachgammon/tutor.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: tutor.h,v 1.10 2011/08/26 06:18:16 dholland Exp $	*/
+/*	$NetBSD: tutor.h,v 1.11 2012/10/13 19:19:39 dholland Exp $	*/
 
 /*
  * Copyright (c) 1980, 1993
@@ -31,6 +31,8 @@
  *	@(#)tutor.h	8.1 (Berkeley) 5/31/93
  */
 
+struct move; /* in back.h */
+
 struct situatn {
 	int	brd[26];
 	int	roll1;
@@ -63,4 +65,4 @@ extern	const struct situatn	test[];
 
 
 void	leave(void) __dead;
-void	tutor(void) __dead;
+void	tutor(struct move *) __dead;
-- 
cgit v1.2.3-56-ge451