Function prompt

command.c:752–843

* Display the appropriate prompt. */

 * Display the appropriate prompt.
 */
	static void
prompt(VOID_PARAM)
{
	constant char *p;

	if (ungot != NULL && ungot->ug_char != CHAR_END_COMMAND)
	{
		/*
		 * No prompt necessary if commands are from 
		 * ungotten chars rather than from the user.
		 */
		return;
	}

	/*
	 * Make sure the screen is displayed.
	 */
	make_display();
	bottompos = position(BOTTOM_PLUS_ONE);

	/*
	 * If we've hit EOF on the last file and the -E flag is set, quit.
	 */
	if (get_quit_at_eof() == OPT_ONPLUS &&
	    eof_displayed() && !(ch_getflags() & CH_HELPFILE) && 
	    next_ifile(curr_ifile) == NULL_IFILE)
		quit(QUIT_OK);

	/*
	 * If the entire file is displayed and the -F flag is set, quit.
	 */
	if (quit_if_one_screen &&
	    entire_file_displayed() && !(ch_getflags() & CH_HELPFILE) && 
	    next_ifile(curr_ifile) == NULL_IFILE)
		quit(QUIT_OK);

#if MSDOS_COMPILER==WIN32C
	/* 
	 * In Win32, display the file name in the window title.
	 */
	if (!(ch_getflags() & CH_HELPFILE))
	{
		WCHAR w[MAX_PATH+16];
		p = pr_expand("Less?f - %f.", 0);
		MultiByteToWideChar(CP_ACP, 0, p, -1, w, sizeof(w)/sizeof(*w));
		SetConsoleTitleW(w);
	}
#endif

	/*
	 * Select the proper prompt and display it.
	 */
	/*
	 * If the previous action was a forward movement, 
	 * don't clear the bottom line of the display;
	 * just print the prompt since the forward movement guarantees 
	 * that we're in the right position to display the prompt.
	 * Clearing the line could cause a problem: for example, if the last