/****************************************************************************
- * Copyright (c) 1998-2017,2019 Free Software Foundation, Inc. *
+ * Copyright 2019-2021,2022 Thomas E. Dickey *
+ * Copyright 1998-2014,2017 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
*
* Date: 05.Nov.90
*
- * $Id: hanoi.c,v 1.40 2019/12/14 23:26:09 tom Exp $
+ * $Id: hanoi.c,v 1.47 2022/12/04 00:40:11 tom Exp $
*/
#include <test.priv.h>
Pegs[2].Count = 0;
}
+static int
+two2n(int n)
+{
+ int result = 1;
+ while (n-- > 0)
+ result *= 2;
+ return result;
+}
+
static void
DisplayTiles(void)
{
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 of %.0f", NMoves, pow(2.0, (float) NTiles) - 1);
+ MvPrintw(19, 5, "Moves : %d of %d", NMoves, two2n(NTiles) - 1);
(void) attrset(A_REVERSE);
MvAddStr(BASELINE, 8,
" ");
}
static void
-usage(void)
+usage(int ok)
{
static const char *msg[] =
{
"Usage: hanoi [options] [[<No Of Tiles>] [a]]"
,""
+ ,USAGE_COMMON
,"Options:"
#if HAVE_USE_DEFAULT_COLORS
," -d invoke use_default_colors"
for (n = 0; n < SIZEOF(msg); n++)
fprintf(stderr, "%s\n", msg[n]);
- ExitProgram(EXIT_FAILURE);
+ ExitProgram(ok ? EXIT_SUCCESS : EXIT_FAILURE);
}
+/* *INDENT-OFF* */
+VERSION_COMMON()
+/* *INDENT-ON* */
int
main(int argc, char **argv)
#endif
NTiles = DEFAULTTILES;
- while ((ch = getopt(argc, argv, "dn:X")) != -1) {
+ while ((ch = getopt(argc, argv, OPTS_COMMON "dn:X")) != -1) {
switch (ch) {
#if HAVE_USE_DEFAULT_COLORS
case 'd':
case 'X':
AutoFlag = TRUE;
break;
+ case OPTS_VERSION:
+ show_version(argv);
+ ExitProgram(EXIT_SUCCESS);
default:
- usage();
+ usage(ch == OPTS_USAGE);
/* NOTREACHED */
}
}
setlocale(LC_ALL, "");
- switch (ch = (argc - optind)) {
+ switch (argc - optind) {
case 2:
if (strcmp(argv[optind + 1], "a")) {
- usage();
+ usage(FALSE);
}
AutoFlag = TRUE;
/* FALLTHRU */
case 0:
break;
default:
- usage();
+ usage(FALSE);
}
if (NTiles > MAXTILES || NTiles < MINTILES) {
fprintf(stderr, "Range %d to %d\n", MINTILES, MAXTILES);
- usage();
+ usage(FALSE);
}
initscr();