+#endif
+ }
+ attroff(underline);
+ attroff(A_BOLD);
+ printw("\n");
+
+ return code;
+}
+
+static void
+usage(void)
+{
+ static const char *msg[] =
+ {
+ "Usage: filter [options]"
+ ,""
+ ,"Options:"
+ ," -c show current time on prompt line with \"Command\""
+ ," -i use initscr() rather than newterm()"
+ ," -p poll for individual characters rather than using getnstr"
+ };
+ unsigned n;
+ for (n = 0; n < SIZEOF(msg); n++)
+ fprintf(stderr, "%s\n", msg[n]);
+ ExitProgram(EXIT_FAILURE);
+}
+
+int
+main(int argc, char *argv[])
+{
+ int ch;
+ char buffer[80];
+ int underline;
+ bool c_option = FALSE;
+ bool i_option = FALSE;
+ bool p_option = FALSE;
+
+ setlocale(LC_ALL, "");
+
+ while ((ch = getopt(argc, argv, "cip")) != -1) {
+ switch (ch) {
+ case 'c':
+ c_option = TRUE;
+ break;
+ case 'i':
+ i_option = TRUE;
+ break;
+ case 'p':
+ p_option = TRUE;
+ break;
+ default:
+ usage();
+ }
+ }
+
+ printf("starting filter program using %s...\n",
+ i_option ? "initscr" : "newterm");
+ filter();
+ if (i_option) {
+ initscr();
+ } else {
+ (void) newterm((char *) 0, stdout, stdin);
+ }
+ cbreak();
+ keypad(stdscr, TRUE);
+
+ if (has_colors()) {
+ int background = COLOR_BLACK;
+ start_color();
+#if HAVE_USE_DEFAULT_COLORS
+ if (use_default_colors() != ERR)
+ background = -1;
+#endif
+ init_pair(1, COLOR_CYAN, (short) background);
+ underline = COLOR_PAIR(1);
+ } else {
+ underline = A_UNDERLINE;
+ }
+
+ for (;;) {
+ int code = new_command(buffer, sizeof(buffer) - 1,
+ underline, c_option, p_option);
+ if (code == ERR || *buffer == '\0')
+ break;
+ reset_shell_mode();
+ printf("\n");
+ fflush(stdout);
+ IGNORE_RC(system(buffer));
+ reset_prog_mode();
+ touchwin(stdscr);
+ erase();