src/usr.bin/mg/undo.c - diff

Return to undo.c CVS log

Up to [local] / src / usr.bin / mg

version 1.45, 2008/06/11 17:07:37

version 1.46, 2008/06/14 07:38:53

Line 173

* If undo is enabled, then:

* undo_boundary_enable(FALS) stops recording undo boundaries between actions.

* undo_boundary_enable(FALSE) stops recording undo boundaries

* between actions.

* undo_boundary_enable(TRUE) enables undo boundaries.

* If undo is disabled, this function has no effect.

Line 443

Line 444

static int nulled = FALSE;

int lineno;

if (n < 0)

return (FALSE);

dot = find_dot(curwp->w_dotp, curwp->w_doto);

ptr = curbp->b_undoptr;

/* if we moved, make ptr point back to the top of the list */

/* first invocation, make ptr point back to the top of the list */

if ((ptr == NULL && nulled == TRUE) || curbp->b_undopos != dot) {

if ((ptr == NULL && nulled == TRUE) || rptcount == 0) {

ptr = LIST_FIRST(&curbp->b_undo);

nulled = TRUE;

}

Line 515

Line 519

ldelete(ptr->region.r_size, KNONE);

break;

case DELETE:

lp = curwp->w_dotp;

offset = curwp->w_doto;

region_put_data(ptr->content,

ptr->region.r_size);

curwp->w_dotp = lp;

curwp->w_doto = offset;

break;

case BOUNDARY:

done = 1;