+static inline void uci_list_del(struct uci_list *ptr)
+{
+ struct uci_list *next, *prev;
+
+ next = ptr->next;
+ prev = ptr->prev;
+
+ prev->next = next;
+ next->prev = prev;
+}
+
+static void uci_drop_option(struct uci_option *option)
+{
+ if (!option)
+ return;
+ if (option->name)
+ free(option->name);
+ if (option->value)
+ free(option->value);
+ free(option);
+}
+
+static struct uci_option *uci_add_option(struct uci_section *section, const char *name, const char *value)
+{
+ struct uci_config *cfg = section->config;
+ struct uci_context *ctx = cfg->ctx;
+ struct uci_option *option = NULL;
+
+ UCI_TRAP_SAVE(ctx, error);
+ option = (struct uci_option *) uci_malloc(ctx, sizeof(struct uci_option));
+ option->name = uci_strdup(ctx, name);
+ option->value = uci_strdup(ctx, value);
+ uci_list_add(§ion->options, &option->list);
+ UCI_TRAP_RESTORE(ctx);
+
+error:
+ uci_drop_option(option);
+ UCI_THROW(ctx, ctx->errno);
+ return NULL;
+}
+
+static void uci_drop_section(struct uci_section *section)
+{
+ struct uci_option *opt;
+
+ if (!section)
+ return;
+
+ uci_foreach_entry(option, §ion->options, opt) {
+ uci_list_del(&opt->list);
+ uci_drop_option(opt);
+ }
+
+ if (section->name)
+ free(section->name);
+ if (section->type)
+ free(section->type);
+ free(section);
+}