turn ucimap-example.c into a test case

[project/uci.git] / list.c

diff --git a/list.c b/list.c
index b4f4da8faf0b6194e490be9f8bb4b2e74171dcd7..cd995fee2ff931da9d55d40f882555dc4e48058f 100644 (file)
--- a/list.c
+++ b/list.c
@@ -48,6 +48,20 @@ static inline void uci_list_del(struct uci_list *ptr)
        uci_list_init(ptr);
 }
 
+static inline void uci_list_set_pos(struct uci_list *head, struct uci_list *ptr, int pos)
+{
+       struct uci_list *new_head = head;
+       struct uci_element *p = NULL;
+
+       uci_list_del(ptr);
+       uci_foreach_element(head, p) {
+               new_head = &p->list;
+               if (pos-- <= 0)
+                       break;
+       }
+       uci_list_add(new_head, ptr);
+}
+
 static inline void uci_list_fixup(struct uci_list *ptr)
 {
        ptr->prev->next = ptr;
@@ -527,6 +541,25 @@ int uci_rename(struct uci_context *ctx, struct uci_ptr *ptr)
                free(e->name);
        e->name = n;
 
+       if (e->type == UCI_TYPE_SECTION)
+               uci_to_section(e)->anonymous = false;
+
+       return 0;
+}
+
+int uci_reorder_section(struct uci_context *ctx, struct uci_section *s, int pos)
+{
+       struct uci_package *p = s->package;
+       char order[32];
+
+       UCI_HANDLE_ERR(ctx);
+
+       uci_list_set_pos(&s->package->sections, &s->e.list, pos);
+       if (!ctx->internal && p->has_history) {
+               sprintf(order, "%d", pos);
+               uci_add_history(ctx, &p->history, UCI_CMD_REORDER, s->e.name, NULL, order);
+       }
+
        return 0;
 }
 
@@ -564,6 +597,12 @@ int uci_delete(struct uci_context *ctx, struct uci_ptr *ptr)
                uci_add_history(ctx, &p->history, UCI_CMD_REMOVE, ptr->section, ptr->option, NULL);
 
        uci_free_any(&e);
+
+       if (ptr->option)
+               ptr->o = NULL;
+       else if (ptr->section)
+               ptr->s = NULL;
+
        return 0;
 }
 
@@ -617,7 +656,7 @@ int uci_set(struct uci_context *ctx, struct uci_ptr *ptr)
        expand_ptr(ctx, ptr, false);
        UCI_ASSERT(ctx, ptr->value);
        UCI_ASSERT(ctx, ptr->s || (!ptr->option && ptr->section));
-       if (!ptr->option) {
+       if (!ptr->option && ptr->value[0]) {
                UCI_ASSERT(ctx, uci_validate_type(ptr->value));
        }
 
@@ -627,7 +666,14 @@ int uci_set(struct uci_context *ctx, struct uci_ptr *ptr)
                if (e)
                        ptr->o = uci_to_option(e);
        }
-       if (!ptr->o && ptr->option) { /* new option */
+       if (!ptr->value[0]) {
+               /* if setting a nonexistant option/section to a nonexistant value,
+                * exit without errors */
+               if (!(ptr->flags & UCI_LOOKUP_COMPLETE))
+                       return 0;
+
+               return uci_delete(ctx, ptr);
+       } else if (!ptr->o && ptr->option) { /* new option */
                ptr->o = uci_alloc_option(ptr->s, ptr->option, ptr->value);
                ptr->last = &ptr->o->e;
        } else if (!ptr->s && ptr->section) { /* new section */