lib/libedit/refresh.c

432  *	the line. fx and sx is the number of characters inserted or deleted
437 re_clear_eol(EditLine *el, int fx, int sx, int diff)
440 	ELRE_DEBUG(1, (__F, "re_clear_eol sx %d, fx %d, diff %d\n",
441 	    sx, fx, diff));
443 	if (fx < 0)
444 		fx = -fx;
447 	if (fx > diff)
448 		diff = fx;
486 	int fx, sx;
611          * fx is the number of characters we need to insert/delete: in the
614 	fx = (int)((nsb - nfd) - (osb - ofd));
622 		if (fx > 0) {
638 		if (fx < 0) {
666          * Now that we are done with pragmatics we recompute fx, sx
668 	fx = (int)((nsb - nfd) - (osb - ofd));
671 	ELRE_DEBUG(1, (__F, "fx %d, sx %d\n", fx, sx));
712          * fx is the difference in length between the chars between nfd and
745 	if ((nsb != nfd) && fx > 0 &&
746 	    ((p - old) + fx <= el->el_term.t_size.h)) {
759 		         * insert fx chars of new starting at nfd
761 			if (fx > 0) {
764 				term_insertwrite(el, nfd, fx);
766 				    el->el_term.t_size.h, nfd, fx);
769 		         * write (nsb-nfd) - fx chars of new starting at
770 		         * (nfd + fx)
772 			len = (size_t) ((nsb - nfd) - fx);
773 			term_overwrite(el, (nfd + fx), len);
774 			re__strncopy(ofd + fx, nfd + fx, len);
785 	} else if (fx < 0) {
798 		         * fx is less than zero *always* here but we check
801 			if (fx < 0) {
804 				term_deletechars(el, -fx);
806 				    el->el_term.t_size.h, -fx);
822 			re_clear_eol(el, fx, sx,
830 		fx = 0;
832 	if (sx < 0 && (ose - old) + fx < el->el_term.t_size.h) {
834 		    "second diff delete at %d...\r\n", (ose - old) + fx));
839 		 * fx is the number of characters inserted (+) or deleted (-)
842 		term_move_to_char(el, (int)((ose - old) + fx));
864 			re_clear_eol(el, fx, sx,
871 	if ((nsb != nfd) && (osb - ofd) <= (nsb - nfd) && (fx == 0)) {
882 		         * We have to recalculate fx here because we set it
886 			fx = (int)((nsb - nfd) - (osb - ofd));
887 			if (fx > 0) {
889 				 * insert fx chars of new starting at nfd
893 				term_insertwrite(el, nfd, fx);
895 				    el->el_term.t_size.h, nfd, fx);
898 		         * write (nsb-nfd) - fx chars of new starting at
899 		         * (nfd + fx)
901 			len = (size_t) ((nsb - nfd) - fx);
902 			term_overwrite(el, (nfd + fx), len);
903 			re__strncopy(ofd + fx, nfd + fx, len);