2008-10-13 Chris Allegretta <chrisa@asty.org>

        * Remove CUTTOEND as an undo type as it's unneeded, fix u->to_end logic in undo struct.
        * undo.c (update_undo): Don't free cutbuffer if NULL, fix for Savannah bug #24499



git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@4339 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

+2008-10-13 Chris Allegretta <chrisa@asty.org>
+	* Remove CUTTOEND as an undo type as it's unneeded, fix u->to_end logic in undo struct.
+	* undo.c (update_undo): Don't free cutbuffer if NULL, fix for Savannah bug #24499
+
 2008-10-04 Chris Allegretta <chrisa@asty.org>
 	* cut.c (Add_undo): Save last cut undo information so it can be used for next uncut, fixes
 	  Savannah bug 24183.

src/cut.c

@@ -245,7 +245,7 @@ void do_copy_text(void)
 void do_cut_till_end(void)
 {
 #ifndef NANO_TINY
-    add_undo(CUTTOEND);
+    add_undo(CUT);
 #endif
     do_cut_text(FALSE, TRUE, FALSE);
 }

src/nano.h

@@ -170,7 +170,7 @@ typedef enum {
 }  function_type;
 
 typedef enum {
-    ADD, DEL, REPLACE, SPLIT, UNSPLIT, CUT, CUTTOEND, UNCUT, INSERT, OTHER
+    ADD, DEL, REPLACE, SPLIT, UNSPLIT, CUT, UNCUT, INSERT, OTHER
 } undo_type;
 
 /* Structure types. */

src/text.c

@@ -408,7 +408,7 @@ void redo_cut(undo *u) {
 #ifdef DEBUG
 	    fprintf(stderr, "Undoing multi-^K cut, u->linescut = %d\n", u->linescut);
 #endif
-	    for (i = 0, t = openfile->current; i < u->linescut; i++) {
+	    for (i = 0, t = openfile->current; i < u->linescut && t->next != NULL ; i++) {
 
 #ifdef DEBUG
 	    fprintf(stderr, "Advancing, lineno  = %d, data = \"%s\"\n", t->lineno, t->data);
@@ -505,7 +505,6 @@ void do_undo(void)
 	renumber(f);
 	break;
     case CUT:
-    case CUTTOEND:
 	undidmsg = _("text cut");
         undo_cut(u);
 	break;
@@ -629,7 +628,6 @@ void do_redo(void)
 	renumber(f);
 	break;
     case CUT:
-    case CUTTOEND:
 	undidmsg = _("text cut");
 	redo_cut(u);
 	break;
@@ -890,13 +888,12 @@ void add_undo(undo_type current_action)
 	u->strdata = data;
 	break;
     case CUT:
-    case CUTTOEND:
 	u->mark_set = openfile->mark_set;
 	if (u->mark_set) {
 	    u->mark_begin_lineno = openfile->mark_begin->lineno;
 	    u->mark_begin_x = openfile->mark_begin_x;
 	}
-	u->to_end = (current_action == CUTTOEND);
+	u->to_end = (ISSET(CUT_TO_END)) ? TRUE : FALSE;
 	last_cutu = u;
 	break;
     case UNCUT:
@@ -951,7 +948,7 @@ void update_undo(undo_type action)
     /* Change to an add if we're not using the same undo struct
        that we should be using */
     if (action != fs->last_action
-	|| (action != CUT && action != CUTTOEND && action != INSERT
+	|| (action != CUT && action != INSERT
 	    && openfile->current->lineno != fs->current_undo->lineno)) {
         add_undo(action);
 	return;
@@ -1016,7 +1013,8 @@ void update_undo(undo_type action)
 #endif
 	break;
     case CUT:
-    case CUTTOEND:
+	if (!cutbuffer)
+	    break;
 	if (u->cutbuffer)
 	    free(u->cutbuffer);
 	u->cutbuffer = copy_filestruct(cutbuffer);