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Fix exec_list::move_nodes_to when the source list is empty

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This commit is contained in:
Ian Romanick
2010-03-31 18:15:50 -07:00
parent e29a585989
commit acce380a3f
1 changed files with 10 additions and 6 deletions
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list.h
+10 -6
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@@ -273,14 +273,18 @@ struct exec_list {
*/
void move_nodes_to(exec_list *target)
{
target->head = head;
target->tail = NULL;
target->tail_pred = tail_pred;
if (is_empty()) {
target->make_empty();
} else {
target->head = head;
target->tail = NULL;
target->tail_pred = tail_pred;
target->head->prev = (exec_node *) &target->head;
target->tail_pred->next = (exec_node *) &target->tail;
target->head->prev = (exec_node *) &target->head;
target->tail_pred->next = (exec_node *) &target->tail;
make_empty();
make_empty();
}
}
exec_list_iterator iterator()