X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fuci.git;a=blobdiff_plain;f=list.c;h=58880422cdb16d7c49253c7caf94ff6acb9f1063;hp=43b58f4a1ae3d145652aa645faad1e0dc86c43ea;hb=1d2aca0fc893bd253a66e1b2628f8c8c5925fb41;hpb=4535c379ced2bdb6a4b414f71080fa0c6f5180aa

diff --git a/list.c b/list.c
index 43b58f4..5888042 100644
--- a/list.c
+++ b/list.c
@@ -12,3 +12,58 @@
  * GNU General Public License for more details.
  */
 
+/* initialize a list head/item */
+static inline void uci_list_init(struct uci_list *ptr)
+{
+	ptr->prev = ptr;
+	ptr->next = ptr;
+}
+
+/* inserts a new list entry between two consecutive entries */
+static inline void __uci_list_add(struct uci_list *prev, struct uci_list *next, struct uci_list *ptr)
+{
+	prev->next = ptr;
+	next->prev = ptr;
+	ptr->prev = prev;
+	ptr->next = next;
+}
+
+/* inserts a new list entry at the tail of the list */
+static inline void uci_list_add(struct uci_list *head, struct uci_list *ptr)
+{
+	/* NB: head->prev points at the tail */
+	__uci_list_add(head->prev, head, ptr);
+}
+
+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 struct uci_config *uci_alloc_file(struct uci_context *ctx, const char *name)
+{
+	struct uci_config *cfg;
+
+	cfg = (struct uci_config *) uci_malloc(ctx, sizeof(struct uci_config));
+	uci_list_init(&cfg->list);
+	uci_list_init(&cfg->sections);
+	cfg->name = uci_strdup(ctx, name);
+	cfg->ctx = ctx;
+
+	return cfg;
+}
+
+static void uci_drop_file(struct uci_config *cfg)
+{
+	/* TODO: free children */
+	uci_list_del(&cfg->list);
+	if (cfg->name)
+		free(cfg->name);
+	free(cfg);
+}