X-Git-Url: http://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=test%2Fhanoi.c;h=45d6b97d2093f348629537c20120d6ec6c837416;hp=25d906ea04a7f12e0b37160007012fb75d35b0a3;hb=a8987e73ec254703634802b4f7ee30d3a485524d;hpb=661078ddbde3ce0f3b06e95642fbb9b5fef7dca1

diff --git a/test/hanoi.c b/test/hanoi.c
index 25d906ea..45d6b97d 100644
--- a/test/hanoi.c
+++ b/test/hanoi.c
@@ -14,17 +14,15 @@
  *
  *	Date: 05.Nov.90
  *
- * $Id: hanoi.c,v 1.15 1997/10/18 20:11:20 tom Exp $
+ * $Id: hanoi.c,v 1.24 2002/06/29 23:32:18 tom Exp $
  */
 
 #include <test.priv.h>
 
-#include <string.h>
-
 #define NPEGS			3	/* This is not configurable !! */
 #define MINTILES		3
 #define MAXTILES		9
-#define DEFAULTTILES	7
+#define DEFAULTTILES		7
 #define TOPLINE			6
 #define BASELINE		16
 #define STATUSLINE		(LINES-3)
@@ -36,22 +34,24 @@
 #define OTHER(a,b)		(3-((a)+(b)))
 
 struct Peg {
-	size_t Length[MAXTILES];
-	int Count;
+    size_t Length[MAXTILES];
+    int Count;
 };
 
 static struct Peg Pegs[NPEGS];
-static int PegPos[] = { LEFTPEG, MIDPEG, RIGHTPEG };
-static int TileColour[] = {
-	COLOR_GREEN,	/* Length 3 */
-	COLOR_MAGENTA,	/* Length 5 */
-	COLOR_RED,	/* Length 7 */
-	COLOR_BLUE,	/* Length 9 */
-	COLOR_CYAN,	/* Length 11 */
-	COLOR_YELLOW, 	/* Length 13 */
-	COLOR_GREEN,  	/* Length 15 */
-	COLOR_MAGENTA,	/* Length 17 */
-	COLOR_RED,	/* Length 19 */
+static int PegPos[] =
+{LEFTPEG, MIDPEG, RIGHTPEG};
+static int TileColour[] =
+{
+    COLOR_GREEN,		/* Length 3 */
+    COLOR_MAGENTA,		/* Length 5 */
+    COLOR_RED,			/* Length 7 */
+    COLOR_BLUE,			/* Length 9 */
+    COLOR_CYAN,			/* Length 11 */
+    COLOR_YELLOW,		/* Length 13 */
+    COLOR_GREEN,		/* Length 15 */
+    COLOR_MAGENTA,		/* Length 17 */
+    COLOR_RED,			/* Length 19 */
 };
 static int NMoves = 0;
 
@@ -67,231 +67,237 @@ static int InvalidMove(int From, int To);
 int
 main(int argc, char **argv)
 {
-int NTiles, FromCol, ToCol;
-unsigned char AutoFlag = 0;
+    int NTiles, FromCol, ToCol;
+    bool AutoFlag = 0;
 
-	switch(argc) {
-	case 1:
-		NTiles = DEFAULTTILES;
-		break;
-	case 2:
-		NTiles = atoi(argv[1]);
-		if (NTiles > MAXTILES || NTiles < MINTILES) {
-			fprintf(stderr, "Range %d to %d\n", MINTILES, MAXTILES);
-			return EXIT_FAILURE;
-		}
-		break;
-	case 3:
-		if (strcmp(argv[2], "a")) {
-			Usage();
-			return EXIT_FAILURE;
-		}
-		NTiles = atoi(argv[1]);
-		if (NTiles > MAXTILES || NTiles < MINTILES) {
-			fprintf(stderr, "Range %d to %d\n", MINTILES, MAXTILES);
-			return EXIT_FAILURE;
-		}
-		AutoFlag = TRUE;
-		break;
-	default:
-		Usage();
-		return EXIT_FAILURE;
-	}
-#ifdef NCURSES_VERSION
-	trace(TRACE_MAXIMUM);
-#endif
-	initscr();
-	if (has_colors()) {
-		int i;
-		int bg = COLOR_BLACK;
-		start_color();
-#ifdef NCURSES_VERSION
-		if (use_default_colors() == OK)
-			bg = -1;
-#endif
-		for (i = 0; i < 9; i++)
-			init_pair(i+1, bg, TileColour[i]);
+    setlocale(LC_ALL, "");
+
+    switch (argc) {
+    case 1:
+	NTiles = DEFAULTTILES;
+	break;
+    case 2:
+	NTiles = atoi(argv[1]);
+	if (NTiles > MAXTILES || NTiles < MINTILES) {
+	    fprintf(stderr, "Range %d to %d\n", MINTILES, MAXTILES);
+	    ExitProgram(EXIT_FAILURE);
 	}
-	cbreak();
-	if (LINES < 24) {
-		endwin();
-		fprintf(stderr, "Min screen length 24 lines\n");
-		return EXIT_FAILURE;
+	break;
+    case 3:
+	if (strcmp(argv[2], "a")) {
+	    Usage();
+	    ExitProgram(EXIT_FAILURE);
 	}
-	if(AutoFlag)
-		leaveok(stdscr, TRUE);	/* Attempt to remove cursor */
-	InitTiles(NTiles);
-	DisplayTiles();
-	if(AutoFlag) {
-		do {
-			noecho();
-			AutoMove(0, 2, NTiles);
-		} while(!Solved(NTiles));
-		sleep(2);
-	} else {
-		echo();
-		for(;;) {
-			if(GetMove(&FromCol, &ToCol))
-				break;
-			if(InvalidMove(FromCol, ToCol)) {
-				mvaddstr(STATUSLINE, 0, "Invalid Move !!");
-				refresh();
-				beep();
-				continue;
-			}
-			MakeMove(FromCol, ToCol);
-			if(Solved(NTiles)) {
-				mvprintw(STATUSLINE, 0, "Well Done !! You did it in %d moves", NMoves);
-				refresh();
-				sleep(5);
-				break;
-			}
-		}
+	NTiles = atoi(argv[1]);
+	if (NTiles > MAXTILES || NTiles < MINTILES) {
+	    fprintf(stderr, "Range %d to %d\n", MINTILES, MAXTILES);
+	    ExitProgram(EXIT_FAILURE);
 	}
-	curs_set(1);
+	AutoFlag = TRUE;
+	break;
+    default:
+	Usage();
+	ExitProgram(EXIT_FAILURE);
+    }
+#ifdef TRACE
+    trace(TRACE_MAXIMUM);
+#endif
+    initscr();
+    if (has_colors()) {
+	int i;
+	int bg = COLOR_BLACK;
+	start_color();
+#if HAVE_USE_DEFAULT_COLORS
+	if (use_default_colors() == OK)
+	    bg = -1;
+#endif
+	for (i = 0; i < 9; i++)
+	    init_pair(i + 1, bg, TileColour[i]);
+    }
+    cbreak();
+    if (LINES < 24) {
 	endwin();
-	return EXIT_SUCCESS;
+	fprintf(stderr, "Min screen length 24 lines\n");
+	ExitProgram(EXIT_FAILURE);
+    }
+    if (AutoFlag) {
+	curs_set(0);
+	leaveok(stdscr, TRUE);	/* Attempt to remove cursor */
+    }
+    InitTiles(NTiles);
+    DisplayTiles();
+    if (AutoFlag) {
+	do {
+	    noecho();
+	    AutoMove(0, 2, NTiles);
+	} while (!Solved(NTiles));
+	sleep(2);
+    } else {
+	echo();
+	for (;;) {
+	    if (GetMove(&FromCol, &ToCol))
+		break;
+	    if (InvalidMove(FromCol, ToCol)) {
+		mvaddstr(STATUSLINE, 0, "Invalid Move !!");
+		refresh();
+		beep();
+		continue;
+	    }
+	    MakeMove(FromCol, ToCol);
+	    if (Solved(NTiles)) {
+		mvprintw(STATUSLINE, 0,
+			 "Well Done !! You did it in %d moves", NMoves);
+		refresh();
+		sleep(5);
+		break;
+	    }
+	}
+    }
+    endwin();
+    ExitProgram(EXIT_SUCCESS);
 }
 
 static int
 InvalidMove(int From, int To)
 {
-	if(From >= NPEGS)
-		return TRUE;
-	if(From < 0)
-		return TRUE;
-	if(To >= NPEGS)
-		return TRUE;
-	if(To < 0)
-		return TRUE;
-	if(From == To)
-		return TRUE;
-	if(!Pegs[From].Count)
-		return TRUE;
-	if(Pegs[To].Count &&
-			Pegs[From].Length[Pegs[From].Count-1] >
-			Pegs[To].Length[Pegs[To].Count-1])
-		return TRUE;
-	return FALSE;
+    if (From >= NPEGS)
+	return TRUE;
+    if (From < 0)
+	return TRUE;
+    if (To >= NPEGS)
+	return TRUE;
+    if (To < 0)
+	return TRUE;
+    if (From == To)
+	return TRUE;
+    if (!Pegs[From].Count)
+	return TRUE;
+    if (Pegs[To].Count &&
+	Pegs[From].Length[Pegs[From].Count - 1] >
+	Pegs[To].Length[Pegs[To].Count - 1])
+	return TRUE;
+    return FALSE;
 }
 
 static void
 InitTiles(int NTiles)
 {
-	int Size, SlotNo;
+    int Size, SlotNo;
 
-	for(Size=NTiles*2+1, SlotNo=0; Size>=3; Size-=2)
-		Pegs[0].Length[SlotNo++] = Size;
+    for (Size = NTiles * 2 + 1, SlotNo = 0; Size >= 3; Size -= 2)
+	Pegs[0].Length[SlotNo++] = Size;
 
-	Pegs[0].Count = NTiles;
-	Pegs[1].Count = 0;
-	Pegs[2].Count = 0;
+    Pegs[0].Count = NTiles;
+    Pegs[1].Count = 0;
+    Pegs[2].Count = 0;
 }
 
 static void
 DisplayTiles(void)
 {
-	int Line, peg, SlotNo;
-	char TileBuf[BUFSIZ];
+    int Line, peg, SlotNo;
+    char TileBuf[BUFSIZ];
 
-	erase();
-	mvaddstr(1, 24, "T O W E R S   O F   H A N O I");
-	mvaddstr(3, 34, "SJR 1990");
-	mvprintw(19, 5, "Moves : %d", NMoves);
-	attrset(A_REVERSE);
-	mvaddstr(BASELINE, 8, "                                                               ");
+    erase();
+    mvaddstr(1, 24, "T O W E R S   O F   H A N O I");
+    mvaddstr(3, 34, "SJR 1990");
+    mvprintw(19, 5, "Moves : %d", NMoves);
+    attrset(A_REVERSE);
+    mvaddstr(BASELINE, 8,
+	     "                                                               ");
 
-	for(Line=TOPLINE; Line<BASELINE; Line++) {
-		mvaddch(Line, LEFTPEG, ' ');
-		mvaddch(Line, MIDPEG, ' ');
-		mvaddch(Line, RIGHTPEG, ' ');
-	}
-	mvaddch(BASELINE, LEFTPEG, '1');
-	mvaddch(BASELINE, MIDPEG, '2');
-	mvaddch(BASELINE, RIGHTPEG, '3');
-	attrset(A_NORMAL);
+    for (Line = TOPLINE; Line < BASELINE; Line++) {
+	mvaddch(Line, LEFTPEG, ' ');
+	mvaddch(Line, MIDPEG, ' ');
+	mvaddch(Line, RIGHTPEG, ' ');
+    }
+    mvaddch(BASELINE, LEFTPEG, '1');
+    mvaddch(BASELINE, MIDPEG, '2');
+    mvaddch(BASELINE, RIGHTPEG, '3');
+    attrset(A_NORMAL);
 
-	/* Draw tiles */
-	for(peg=0; peg<NPEGS; peg++) {
-		for(SlotNo=0; SlotNo<Pegs[peg].Count; SlotNo++) {
-			memset(TileBuf, ' ', Pegs[peg].Length[SlotNo]);
-			TileBuf[Pegs[peg].Length[SlotNo]] = '\0';
-			if (has_colors())
-				attrset(COLOR_PAIR(LENTOIND(Pegs[peg].Length[SlotNo])));
-			else
-				attrset(A_REVERSE);
-			mvaddstr(BASELINE-(SlotNo+1),
-				(int)(PegPos[peg] - Pegs[peg].Length[SlotNo]/2),
-				TileBuf);
-		}
+    /* Draw tiles */
+    for (peg = 0; peg < NPEGS; peg++) {
+	for (SlotNo = 0; SlotNo < Pegs[peg].Count; SlotNo++) {
+	    memset(TileBuf, ' ', Pegs[peg].Length[SlotNo]);
+	    TileBuf[Pegs[peg].Length[SlotNo]] = '\0';
+	    if (has_colors())
+		attrset(COLOR_PAIR(LENTOIND(Pegs[peg].Length[SlotNo])));
+	    else
+		attrset(A_REVERSE);
+	    mvaddstr(BASELINE - (SlotNo + 1),
+		     (int) (PegPos[peg] - Pegs[peg].Length[SlotNo] / 2),
+		     TileBuf);
 	}
-	attrset(A_NORMAL);
-	refresh();
+    }
+    attrset(A_NORMAL);
+    refresh();
 }
 
 static int
 GetMove(int *From, int *To)
 {
-	mvaddstr(STATUSLINE, 0, "Next move ('q' to quit) from ");
-	clrtoeol();
-	refresh();
-	if((*From = getch()) == 'q')
-		return TRUE;
-	*From -= ('0'+1);
-	addstr(" to ");
-	clrtoeol();
-	refresh();
+    mvaddstr(STATUSLINE, 0, "Next move ('q' to quit) from ");
+    clrtoeol();
+    refresh();
+    if ((*From = getch()) == 'q')
+	return TRUE;
+    *From -= ('0' + 1);
+    addstr(" to ");
+    clrtoeol();
+    refresh();
 
-	if((*To = getch()) == 'q')
-		return TRUE;
-	*To -= ('0'+1);
-	refresh();
-	napms(500);
+    if ((*To = getch()) == 'q')
+	return TRUE;
+    *To -= ('0' + 1);
+    refresh();
+    napms(500);
 
-	move(STATUSLINE, 0);
-	clrtoeol();
-	refresh();
-	return FALSE;
+    move(STATUSLINE, 0);
+    clrtoeol();
+    refresh();
+    return FALSE;
 }
 
 static void
 MakeMove(int From, int To)
 {
-	Pegs[From].Count--;
-	Pegs[To].Length[Pegs[To].Count] = Pegs[From].Length[Pegs[From].Count];
-	Pegs[To].Count++;
-	NMoves++;
-	DisplayTiles();
+    Pegs[From].Count--;
+    Pegs[To].Length[Pegs[To].Count] = Pegs[From].Length[Pegs[From].Count];
+    Pegs[To].Count++;
+    NMoves++;
+    DisplayTiles();
 }
 
 static void
 AutoMove(int From, int To, int Num)
 {
-	if(Num == 1) {
-		MakeMove(From, To);
-		napms(500);
-		return;
-	}
-	AutoMove(From, OTHER(From, To), Num-1);
+    if (Num == 1) {
 	MakeMove(From, To);
 	napms(500);
-	AutoMove(OTHER(From, To), To, Num-1);
+	return;
+    }
+    AutoMove(From, OTHER(From, To), Num - 1);
+    MakeMove(From, To);
+    napms(500);
+    AutoMove(OTHER(From, To), To, Num - 1);
 }
 
 static int
 Solved(int NumTiles)
 {
-	int i;
+    int i;
 
-	for(i = 1; i < NPEGS; i++)
-		if (Pegs[i].Count == NumTiles)
-			return TRUE;
-	return FALSE;
+    for (i = 1; i < NPEGS; i++)
+	if (Pegs[i].Count == NumTiles)
+	    return TRUE;
+    return FALSE;
 }
 
 static void
-Usage()
+Usage(void)
 {
-	fprintf(stderr, "Usage: hanoi [<No Of Tiles>] [a]\n");
-	fprintf(stderr, "The 'a' option causes the tower to be solved automatically\n");
+    fprintf(stderr, "Usage: hanoi [<No Of Tiles>] [a]\n");
+    fprintf(stderr,
+	    "The 'a' option causes the tower to be solved automatically\n");
 }