+ if (ptr->option)
+ ptr->o = NULL;
+ else if (ptr->section)
+ ptr->s = NULL;
+
+ return 0;
+}
+
+int uci_add_list(struct uci_context *ctx, struct uci_ptr *ptr)
+{
+ /* NB: UCI_INTERNAL use means without delta tracking */
+ bool internal = ctx && ctx->internal;
+ struct uci_option *prev = NULL;
+ const char *value2 = NULL;
+
+ UCI_HANDLE_ERR(ctx);
+
+ uci_expand_ptr(ctx, ptr, false);
+ UCI_ASSERT(ctx, ptr->s);
+ UCI_ASSERT(ctx, ptr->value);
+
+ if (ptr->o) {
+ switch (ptr->o->type) {
+ case UCI_TYPE_STRING:
+ /* we already have a string value, convert that to a list */
+ prev = ptr->o;
+ value2 = ptr->value;
+ ptr->value = ptr->o->v.string;
+ break;
+ case UCI_TYPE_LIST:
+ uci_add_element_list(ctx, ptr, internal);
+ return 0;
+ default:
+ UCI_THROW(ctx, UCI_ERR_INVAL);
+ break;
+ }
+ }
+
+ ptr->o = uci_alloc_list(ptr->s, ptr->option);
+ if (prev) {
+ uci_add_element_list(ctx, ptr, true);
+ uci_free_option(prev);
+ ptr->value = value2;
+ }
+ uci_add_element_list(ctx, ptr, internal);
+
+ return 0;
+}
+
+int uci_del_list(struct uci_context *ctx, struct uci_ptr *ptr)
+{
+ /* NB: pass on internal flag to uci_del_element */
+ bool internal = ctx && ctx->internal;
+ struct uci_element *e, *tmp;
+ struct uci_package *p;
+
+ UCI_HANDLE_ERR(ctx);
+
+ uci_expand_ptr(ctx, ptr, false);
+ UCI_ASSERT(ctx, ptr->s);
+ UCI_ASSERT(ctx, ptr->value);
+
+ if (!(ptr->o && ptr->option))
+ return 0;
+
+ if ((ptr->o->type != UCI_TYPE_LIST))
+ return 0;
+
+ p = ptr->p;
+ if (!internal && p->has_delta)
+ uci_add_delta(ctx, &p->delta, UCI_CMD_LIST_DEL, ptr->section, ptr->option, ptr->value);
+
+ uci_foreach_element_safe(&ptr->o->v.list, tmp, e) {
+ if (!strcmp(ptr->value, uci_to_option(e)->e.name)) {
+ uci_free_option(uci_to_option(e));
+ }
+ }
+
+ return 0;
+}
+
+int uci_set(struct uci_context *ctx, struct uci_ptr *ptr)
+{
+ /* NB: UCI_INTERNAL use means without delta tracking */
+ bool internal = ctx && ctx->internal;