ncurses/test/gdc.c - nest-cam/4320010/ncurses - Git at Google

 /****************************************************************************
  * Copyright (c) 1998-2014,2015 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            *
  * "Software"), to deal in the Software without restriction, including      *
  * without limitation the rights to use, copy, modify, merge, publish,      *
  * distribute, distribute with modifications, sublicense, and/or sell       *
  * copies of the Software, and to permit persons to whom the Software is    *
  * furnished to do so, subject to the following conditions:                 *
  *                                                                          *
  * The above copyright notice and this permission notice shall be included  *
  * in all copies or substantial portions of the Software.                   *
  *                                                                          *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
  *                                                                          *
  * Except as contained in this notice, the name(s) of the above copyright   *
  * holders shall not be used in advertising or otherwise to promote the     *
  * sale, use or other dealings in this Software without prior written       *
  * authorization.                                                           *
  ****************************************************************************/
 /*
  * Grand digital clock for curses compatible terminals
  * Usage: gdc [-s] [-t hh:mm:ss] [n] -- run for n seconds (default infinity)
  * Flags: -s: scroll
  *
  * modified 10-18-89 for curses (jrl)
  * 10-18-89 added signal handling
  *
  * $Id: gdc.c,v 1.44 2015/07/04 21:28:28 tom Exp $
  */

 #include <test.priv.h>

 #include <time.h>

 #define YBASE	10
 #define XBASE	10
 #define XLENGTH	54
 #define YDEPTH	5

 #define PAIR_DIGITS 1
 #define PAIR_OTHERS 2
 #define PAIR_FRAMES 3

 static short disp[11] =
 {
     075557, 011111, 071747, 071717, 055711,
     074717, 074757, 071111, 075757, 075717, 002020
 };
 static long older[6], next[6], newer[6], mask;

 static int sigtermed = 0;
 static bool redirected = FALSE;
 static bool hascolor = FALSE;

 static void
 sighndl(int signo)
 {
     signal(signo, sighndl);
     sigtermed = signo;
     if (redirected) {
 	endwin();
 	ExitProgram(EXIT_FAILURE);
     }
 }

 static void
 check_term(void)
 {
     if (sigtermed) {
 	(void) standend();
 	endwin();
 	fprintf(stderr, "gdc terminated by signal %d\n", sigtermed);
 	ExitProgram(EXIT_FAILURE);
     }
 }

 static void
 drawbox(bool scrolling)
 {
     chtype bottom[XLENGTH + 1];
     int n;

     if (hascolor)
 	(void) attrset(AttrArg(COLOR_PAIR(PAIR_FRAMES), 0));

     MvAddCh(YBASE - 1, XBASE - 1, ACS_ULCORNER);
     hline(ACS_HLINE, XLENGTH);
     MvAddCh(YBASE - 1, XBASE + XLENGTH, ACS_URCORNER);

     MvAddCh(YBASE + YDEPTH, XBASE - 1, ACS_LLCORNER);
     if ((mvinchnstr(YBASE + YDEPTH, XBASE, bottom, XLENGTH)) != ERR) {
 	for (n = 0; n < XLENGTH; n++) {
 	    if (!scrolling)
 		bottom[n] &= ~A_COLOR;
 	    bottom[n] = ACS_HLINE | (bottom[n] & (A_ATTRIBUTES | A_COLOR));
 	}
 	(void) mvaddchnstr(YBASE + YDEPTH, XBASE, bottom, XLENGTH);
     }
     MvAddCh(YBASE + YDEPTH, XBASE + XLENGTH, ACS_LRCORNER);

     move(YBASE, XBASE - 1);
     vline(ACS_VLINE, YDEPTH);

     move(YBASE, XBASE + XLENGTH);
     vline(ACS_VLINE, YDEPTH);

     if (hascolor)
 	(void) attrset(AttrArg(COLOR_PAIR(PAIR_OTHERS), 0));
 }

 static void
 standt(int on)
 {
     if (on) {
 	if (hascolor) {
 	    attron(COLOR_PAIR(PAIR_DIGITS));
 	} else {
 	    attron(A_STANDOUT);
 	}
     } else {
 	if (hascolor) {
 	    attron(COLOR_PAIR(PAIR_OTHERS));
 	} else {
 	    attroff(A_STANDOUT);
 	}
     }
 }

 static void
 set(int t, int n)
 {
     int i, m;

     m = 7 << n;
     for (i = 0; i < 5; i++) {
 	next[i] |= ((disp[t] >> ((4 - i) * 3)) & 07) << n;
 	mask |= (next[i] ^ older[i]) & m;
     }
     if (mask & m)
 	mask |= m;
 }

 static void
 usage(void)
 {
     static const char *msg[] =
     {
 	"Usage: gdc [options] [count]"
 	,""
 	,"Options:"
 	,"  -n  redirect input to /dev/null"
 	,"  -s  scroll each number into place, rather than flipping"
 	,"  -t hh:mm:ss specify starting time (default is ``now'')"
 	,""
 	,"If you specify a count, gdc runs for that number of seconds"
     };
     unsigned j;
     for (j = 0; j < SIZEOF(msg); j++)
 	fprintf(stderr, "%s\n", msg[j]);
     ExitProgram(EXIT_FAILURE);
 }

 static time_t
 parse_time(const char *value)
 {
     int hh, mm, ss;
     int check;
     time_t result;
     char c;
     struct tm *tm;

     if (sscanf(value, "%d:%d:%d%c", &hh, &mm, &ss, &c) != 3) {
 	if (sscanf(value, "%02d%02d%02d%c", &hh, &mm, &ss, &c) != 3) {
 	    usage();
 	}
     }

     if ((hh < 0) || (hh >= 24) ||
 	(mm < 0) || (mm >= 60) ||
 	(ss < 0) || (ss >= 60)) {
 	usage();
     }

     /* adjust so that the localtime in the main loop will give usable time */
     result = (hh * 3600) + ((mm * 60) + ss);
     for (check = 0; check < 24; ++check) {
 	tm = localtime(&result);
 	if (tm->tm_hour == hh)
 	    break;
 	result += 3600;
     }

     if (tm->tm_hour != hh) {
 	fprintf(stderr, "Cannot find local time for %s!\n", value);
 	usage();
     }
     return result;
 }

 int
 main(int argc, char *argv[])
 {
     time_t now;
     struct tm *tm;
     long t, a;
     int i, j, s, k;
     int count = 0;
     FILE *ofp = stdout;
     FILE *ifp = stdin;
     bool smooth = FALSE;
     bool stages = FALSE;
     time_t starts = 0;

     setlocale(LC_ALL, "");

     CATCHALL(sighndl);

     while ((k = getopt(argc, argv, "nst:")) != -1) {
 	switch (k) {
 	case 'n':
 	    ifp = fopen("/dev/null", "r");
 	    redirected = TRUE;
 	    break;
 	case 's':
 	    smooth = TRUE;
 	    break;
 	case 't':
 	    starts = parse_time(optarg);
 	    break;
 	default:
 	    usage();
 	}
     }
     if (optind < argc) {
 	count = atoi(argv[optind++]);
 	assert(count >= 0);
     }
     if (optind < argc)
 	usage();

     if (redirected) {
 	char *name = getenv("TERM");
 	if (name == 0
 	    || newterm(name, ofp, ifp) == 0) {
 	    fprintf(stderr, "cannot open terminal\n");
 	    ExitProgram(EXIT_FAILURE);
 	}

     } else {
 	initscr();
     }
     cbreak();
     noecho();
     nodelay(stdscr, 1);
     curs_set(0);

     hascolor = has_colors();

     if (hascolor) {
 	short bg = COLOR_BLACK;
 	start_color();
 #if HAVE_USE_DEFAULT_COLORS
 	if (use_default_colors() == OK)
 	    bg = -1;
 #endif
 	init_pair(PAIR_DIGITS, COLOR_BLACK, COLOR_RED);
 	init_pair(PAIR_OTHERS, COLOR_RED, bg);
 	init_pair(PAIR_FRAMES, COLOR_WHITE, bg);
 	(void) attrset(AttrArg(COLOR_PAIR(PAIR_OTHERS), 0));
     }

   restart:
     for (j = 0; j < 5; j++)
 	older[j] = newer[j] = next[j] = 0;

     clear();
     drawbox(FALSE);

     do {
 	char buf[40];

 	if (starts != 0) {
 	    now = ++starts;
 	} else {
 	    time(&now);
 	}
 	tm = localtime(&now);

 	mask = 0;
 	set(tm->tm_sec % 10, 0);
 	set(tm->tm_sec / 10, 4);
 	set(tm->tm_min % 10, 10);
 	set(tm->tm_min / 10, 14);
 	set(tm->tm_hour % 10, 20);
 	set(tm->tm_hour / 10, 24);
 	set(10, 7);
 	set(10, 17);

 	for (k = 0; k < 6; k++) {
 	    if (smooth) {
 		for (i = 0; i < 5; i++)
 		    newer[i] = (newer[i] & ~mask) | (newer[i + 1] & mask);
 		newer[5] = (newer[5] & ~mask) | (next[k] & mask);
 	    } else {
 		newer[k] = (newer[k] & ~mask) | (next[k] & mask);
 	    }
 	    next[k] = 0;
 	    for (s = 1; s >= 0; s--) {
 		standt(s);
 		for (i = 0; i < 6; i++) {
 		    if ((a = (newer[i] ^ older[i]) & (s ? newer : older)[i])
 			!= 0) {
 			for (j = 0, t = 1 << 26; t; t >>= 1, j++) {
 			    if (a & t) {
 				if (!(a & (t << 1))) {
 				    move(YBASE + i, XBASE + 2 * j);
 				}
 				addstr("  ");
 			    }
 			}
 		    }
 		    if (!s) {
 			older[i] = newer[i];
 		    }
 		}
 		if (!s) {
 		    if (smooth)
 			drawbox(TRUE);
 		    refresh();
 		    /*
 		     * If we're scrolling, space out the refreshes to fake
 		     * movement.  That's 7 frames, or 6 intervals, which would
 		     * be 166 msec if we spread it out over a second.  It looks
 		     * better (but will work on a slow terminal, e.g., less
 		     * than 9600bd) to squeeze that into a half-second, and use
 		     * half of 170 msec to ensure that the program doesn't eat
 		     * a lot of time when asking what time it is, at the top of
 		     * this loop -T.Dickey
 		     */
 		    if (smooth)
 			napms(85);
 		    if (stages) {
 			stages = FALSE;
 			switch (wgetch(stdscr)) {
 			case 'q':
 			    count = 1;
 			    break;
 			case 'S':
 			    stages = TRUE;
 			    /* FALLTHRU */
 			case 's':
 			    nodelay(stdscr, FALSE);
 			    break;
 			case ' ':
 			    nodelay(stdscr, TRUE);
 			    break;
 #ifdef KEY_RESIZE
 			case KEY_RESIZE:
 #endif
 			case '?':
 			    goto restart;
 			case ERR:
 			    check_term();
 			    /* FALLTHRU */
 			default:
 			    continue;
 			}
 		    }
 		}
 	    }
 	}

 	/* this depends on the detailed format of ctime(3) */
 	(void) strncpy(buf, ctime(&now), (size_t) 30);
 	{
 	    char *d2 = buf + 10;
 	    char *s2 = buf + 19;
 	    while ((*d2++ = *s2++) != '\0') ;
 	}
 	MvAddStr(16, 30, buf);

 	move(6, 0);
 	drawbox(FALSE);
 	refresh();

 	/*
 	 * If we're not smooth-scrolling, wait 1000 msec (1 sec).  Use napms()
 	 * rather than sleep() because the latter does odd things on some
 	 * systems, e.g., suspending output as well.
 	 */
 	if (smooth)
 	    napms(500);
 	else
 	    napms(1000);

 	/*
 	 * This is a safe way to check if we're interrupted - making the signal
 	 * handler set a flag that we can check.  Since we're running
 	 * nodelay(), the wgetch() call returns immediately, and in particular
 	 * will return an error if interrupted.  This works only if we can
 	 * read from the input, of course.
 	 */
 	stages = FALSE;
 	switch (wgetch(stdscr)) {
 	case 'q':
 	    count = 1;
 	    break;
 	case 'S':
 	    stages = TRUE;
 	    /* FALLTHRU */
 	case 's':
 	    nodelay(stdscr, FALSE);
 	    break;
 	case ' ':
 	    nodelay(stdscr, TRUE);
 	    break;
 #ifdef KEY_RESIZE
 	case KEY_RESIZE:
 #endif
 	case '?':
 	    goto restart;
 	case ERR:
 	    check_term();
 	    /* FALLTHRU */
 	default:
 	    continue;
 	}
     } while (--count);
     (void) standend();
     endwin();
     ExitProgram(EXIT_SUCCESS);
 }
	/****************************************************************************
	* Copyright (c) 1998-2014,2015 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 *
	* "Software"), to deal in the Software without restriction, including *
	* without limitation the rights to use, copy, modify, merge, publish, *
	* distribute, distribute with modifications, sublicense, and/or sell *
	* copies of the Software, and to permit persons to whom the Software is *
	* furnished to do so, subject to the following conditions: *
	* *
	* The above copyright notice and this permission notice shall be included *
	* in all copies or substantial portions of the Software. *
	* *
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
	* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
	* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
	* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
	* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
	* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
	* *
	* Except as contained in this notice, the name(s) of the above copyright *
	* holders shall not be used in advertising or otherwise to promote the *
	* sale, use or other dealings in this Software without prior written *
	* authorization. *
	****************************************************************************/
	/*
	* Grand digital clock for curses compatible terminals
	* Usage: gdc [-s] [-t hh:mm:ss] [n] -- run for n seconds (default infinity)
	* Flags: -s: scroll
	*
	* modified 10-18-89 for curses (jrl)
	* 10-18-89 added signal handling
	*
	* $Id: gdc.c,v 1.44 2015/07/04 21:28:28 tom Exp $
	*/

	#include <test.priv.h>

	#include <time.h>

	#define YBASE 10
	#define XBASE 10
	#define XLENGTH 54
	#define YDEPTH 5

	#define PAIR_DIGITS 1
	#define PAIR_OTHERS 2
	#define PAIR_FRAMES 3

	static short disp[11] =
	{
	075557, 011111, 071747, 071717, 055711,
	074717, 074757, 071111, 075757, 075717, 002020
	};
	static long older[6], next[6], newer[6], mask;

	static int sigtermed = 0;
	static bool redirected = FALSE;
	static bool hascolor = FALSE;

	static void
	sighndl(int signo)
	{
	signal(signo, sighndl);
	sigtermed = signo;
	if (redirected) {
	endwin();
	ExitProgram(EXIT_FAILURE);
	}
	}

	static void
	check_term(void)
	{
	if (sigtermed) {
	(void) standend();
	endwin();
	fprintf(stderr, "gdc terminated by signal %d\n", sigtermed);
	ExitProgram(EXIT_FAILURE);
	}
	}

	static void
	drawbox(bool scrolling)
	{
	chtype bottom[XLENGTH + 1];
	int n;

	if (hascolor)
	(void) attrset(AttrArg(COLOR_PAIR(PAIR_FRAMES), 0));

	MvAddCh(YBASE - 1, XBASE - 1, ACS_ULCORNER);
	hline(ACS_HLINE, XLENGTH);
	MvAddCh(YBASE - 1, XBASE + XLENGTH, ACS_URCORNER);

	MvAddCh(YBASE + YDEPTH, XBASE - 1, ACS_LLCORNER);
	if ((mvinchnstr(YBASE + YDEPTH, XBASE, bottom, XLENGTH)) != ERR) {
	for (n = 0; n < XLENGTH; n++) {
	if (!scrolling)
	bottom[n] &= ~A_COLOR;
	bottom[n] = ACS_HLINE \| (bottom[n] & (A_ATTRIBUTES \| A_COLOR));
	}
	(void) mvaddchnstr(YBASE + YDEPTH, XBASE, bottom, XLENGTH);
	}
	MvAddCh(YBASE + YDEPTH, XBASE + XLENGTH, ACS_LRCORNER);

	move(YBASE, XBASE - 1);
	vline(ACS_VLINE, YDEPTH);

	move(YBASE, XBASE + XLENGTH);
	vline(ACS_VLINE, YDEPTH);

	if (hascolor)
	(void) attrset(AttrArg(COLOR_PAIR(PAIR_OTHERS), 0));
	}

	static void
	standt(int on)
	{
	if (on) {
	if (hascolor) {
	attron(COLOR_PAIR(PAIR_DIGITS));
	} else {
	attron(A_STANDOUT);
	}
	} else {
	if (hascolor) {
	attron(COLOR_PAIR(PAIR_OTHERS));
	} else {
	attroff(A_STANDOUT);
	}
	}
	}

	static void
	set(int t, int n)
	{
	int i, m;

	m = 7 << n;
	for (i = 0; i < 5; i++) {
	next[i] \|= ((disp[t] >> ((4 - i) * 3)) & 07) << n;
	mask \|= (next[i] ^ older[i]) & m;
	}
	if (mask & m)
	mask \|= m;
	}

	static void
	usage(void)
	{
	static const char *msg[] =
	{
	"Usage: gdc [options] [count]"
	,""
	,"Options:"
	," -n redirect input to /dev/null"
	," -s scroll each number into place, rather than flipping"
	," -t hh:mm:ss specify starting time (default is ``now'')"
	,""
	,"If you specify a count, gdc runs for that number of seconds"
	};
	unsigned j;
	for (j = 0; j < SIZEOF(msg); j++)
	fprintf(stderr, "%s\n", msg[j]);
	ExitProgram(EXIT_FAILURE);
	}

	static time_t
	parse_time(const char *value)
	{
	int hh, mm, ss;
	int check;
	time_t result;
	char c;
	struct tm *tm;

	if (sscanf(value, "%d:%d:%d%c", &hh, &mm, &ss, &c) != 3) {
	if (sscanf(value, "%02d%02d%02d%c", &hh, &mm, &ss, &c) != 3) {
	usage();
	}
	}

	if ((hh < 0) \|\| (hh >= 24) \|\|
	(mm < 0) \|\| (mm >= 60) \|\|
	(ss < 0) \|\| (ss >= 60)) {
	usage();
	}

	/* adjust so that the localtime in the main loop will give usable time */
	result = (hh * 3600) + ((mm * 60) + ss);
	for (check = 0; check < 24; ++check) {
	tm = localtime(&result);
	if (tm->tm_hour == hh)
	break;
	result += 3600;
	}

	if (tm->tm_hour != hh) {
	fprintf(stderr, "Cannot find local time for %s!\n", value);
	usage();
	}
	return result;
	}

	int
	main(int argc, char *argv[])
	{
	time_t now;
	struct tm *tm;
	long t, a;
	int i, j, s, k;
	int count = 0;
	FILE *ofp = stdout;
	FILE *ifp = stdin;
	bool smooth = FALSE;
	bool stages = FALSE;
	time_t starts = 0;

	setlocale(LC_ALL, "");

	CATCHALL(sighndl);

	while ((k = getopt(argc, argv, "nst:")) != -1) {
	switch (k) {
	case 'n':
	ifp = fopen("/dev/null", "r");
	redirected = TRUE;
	break;
	case 's':
	smooth = TRUE;
	break;
	case 't':
	starts = parse_time(optarg);
	break;
	default:
	usage();
	}
	}
	if (optind < argc) {
	count = atoi(argv[optind++]);
	assert(count >= 0);
	}
	if (optind < argc)
	usage();

	if (redirected) {
	char *name = getenv("TERM");
	if (name == 0
	\|\| newterm(name, ofp, ifp) == 0) {
	fprintf(stderr, "cannot open terminal\n");
	ExitProgram(EXIT_FAILURE);
	}

	} else {
	initscr();
	}
	cbreak();
	noecho();
	nodelay(stdscr, 1);
	curs_set(0);

	hascolor = has_colors();

	if (hascolor) {
	short bg = COLOR_BLACK;
	start_color();
	#if HAVE_USE_DEFAULT_COLORS
	if (use_default_colors() == OK)
	bg = -1;
	#endif
	init_pair(PAIR_DIGITS, COLOR_BLACK, COLOR_RED);
	init_pair(PAIR_OTHERS, COLOR_RED, bg);
	init_pair(PAIR_FRAMES, COLOR_WHITE, bg);
	(void) attrset(AttrArg(COLOR_PAIR(PAIR_OTHERS), 0));
	}

	restart:
	for (j = 0; j < 5; j++)
	older[j] = newer[j] = next[j] = 0;

	clear();
	drawbox(FALSE);

	do {
	char buf[40];

	if (starts != 0) {
	now = ++starts;
	} else {
	time(&now);
	}
	tm = localtime(&now);

	mask = 0;
	set(tm->tm_sec % 10, 0);
	set(tm->tm_sec / 10, 4);
	set(tm->tm_min % 10, 10);
	set(tm->tm_min / 10, 14);
	set(tm->tm_hour % 10, 20);
	set(tm->tm_hour / 10, 24);
	set(10, 7);
	set(10, 17);

	for (k = 0; k < 6; k++) {
	if (smooth) {
	for (i = 0; i < 5; i++)
	newer[i] = (newer[i] & ~mask) \| (newer[i + 1] & mask);
	newer[5] = (newer[5] & ~mask) \| (next[k] & mask);
	} else {
	newer[k] = (newer[k] & ~mask) \| (next[k] & mask);
	}
	next[k] = 0;
	for (s = 1; s >= 0; s--) {
	standt(s);
	for (i = 0; i < 6; i++) {
	if ((a = (newer[i] ^ older[i]) & (s ? newer : older)[i])
	!= 0) {
	for (j = 0, t = 1 << 26; t; t >>= 1, j++) {
	if (a & t) {
	if (!(a & (t << 1))) {
	move(YBASE + i, XBASE + 2 * j);
	}
	addstr(" ");
	}
	}
	}
	if (!s) {
	older[i] = newer[i];
	}
	}
	if (!s) {
	if (smooth)
	drawbox(TRUE);
	refresh();
	/*
	* If we're scrolling, space out the refreshes to fake
	* movement. That's 7 frames, or 6 intervals, which would
	* be 166 msec if we spread it out over a second. It looks
	* better (but will work on a slow terminal, e.g., less
	* than 9600bd) to squeeze that into a half-second, and use
	* half of 170 msec to ensure that the program doesn't eat
	* a lot of time when asking what time it is, at the top of
	* this loop -T.Dickey
	*/
	if (smooth)
	napms(85);
	if (stages) {
	stages = FALSE;
	switch (wgetch(stdscr)) {
	case 'q':
	count = 1;
	break;
	case 'S':
	stages = TRUE;
	/* FALLTHRU */
	case 's':
	nodelay(stdscr, FALSE);
	break;
	case ' ':
	nodelay(stdscr, TRUE);
	break;
	#ifdef KEY_RESIZE
	case KEY_RESIZE:
	#endif
	case '?':
	goto restart;
	case ERR:
	check_term();
	/* FALLTHRU */
	default:
	continue;
	}
	}
	}
	}
	}

	/* this depends on the detailed format of ctime(3) */
	(void) strncpy(buf, ctime(&now), (size_t) 30);
	{
	char *d2 = buf + 10;
	char *s2 = buf + 19;
	while ((d2++ = s2++) != '\0') ;
	}
	MvAddStr(16, 30, buf);

	move(6, 0);
	drawbox(FALSE);
	refresh();

	/*
	* If we're not smooth-scrolling, wait 1000 msec (1 sec). Use napms()
	* rather than sleep() because the latter does odd things on some
	* systems, e.g., suspending output as well.
	*/
	if (smooth)
	napms(500);
	else
	napms(1000);

	/*
	* This is a safe way to check if we're interrupted - making the signal
	* handler set a flag that we can check. Since we're running
	* nodelay(), the wgetch() call returns immediately, and in particular
	* will return an error if interrupted. This works only if we can
	* read from the input, of course.
	*/
	stages = FALSE;
	switch (wgetch(stdscr)) {
	case 'q':
	count = 1;
	break;
	case 'S':
	stages = TRUE;
	/* FALLTHRU */
	case 's':
	nodelay(stdscr, FALSE);
	break;
	case ' ':
	nodelay(stdscr, TRUE);
	break;
	#ifdef KEY_RESIZE
	case KEY_RESIZE:
	#endif
	case '?':
	goto restart;
	case ERR:
	check_term();
	/* FALLTHRU */
	default:
	continue;
	}
	} while (--count);
	(void) standend();
	endwin();
	ExitProgram(EXIT_SUCCESS);
	}