Function c_delbefore

extern/editline/src/chared.c:158–180

c_delbefore(): * Delete num characters before the cursor */

 *	Delete num characters before the cursor
 */
protected void
c_delbefore(EditLine *el, int num)
{

	if (el->el_line.cursor - num < el->el_line.buffer)
		num = (int)(el->el_line.cursor - el->el_line.buffer);

	if (el->el_map.current != el->el_map.emacs) {
		cv_undo(el);
		cv_yank(el, el->el_line.cursor - num, num);
	}

	if (num > 0) {
		Char *cp;

		for (cp = el->el_line.cursor - num;
		    cp <= el->el_line.lastchar;
		    cp++)
			*cp = cp[num];

		el->el_line.lastchar -= num;
	}
}


/* c_delbefore1():