+ static const char *msg[] =
+ {
+ "Usage: gdc [options] [count]"
+ ,""
+ ,"Options:"
+ ," -n redirect input to /dev/null"
+ ," -s scroll each number into place, rather than flipping"
+ ,""
+ ,"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);
+}
+
+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 scrol = FALSE;
+
+ setlocale(LC_ALL, "");
+
+ CATCHALL(sighndl);
+
+ while ((k = getopt(argc, argv, "sn")) != -1) {
+ switch (k) {
+ case 's':
+ scrol = TRUE;
+ break;
+ case 'n':
+ ifp = fopen("/dev/null", "r");
+ redirected = TRUE;
+ 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((attr_t) COLOR_PAIR(PAIR_OTHERS));
+ }
+
+ restart:
+ for (j = 0; j < 5; j++)
+ older[j] = newer[j] = next[j] = 0;
+
+ clear();
+ drawbox(FALSE);
+
+ do {
+ char buf[40];
+
+ 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 (scrol) {
+ 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];
+ }