* 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 void uci_drop_section(struct uci_section *section)
+{
+ if (!section)
+ return;
+ if (section->name)
+ free(section->name);
+ if (section->type)
+ free(section->type);
+ free(section);
+}
+
+static struct uci_section *uci_add_section(struct uci_config *cfg, const char *type, const char *name)
+{
+ struct uci_section *section = NULL;
+ struct uci_context *ctx = cfg->ctx;
+
+ UCI_TRAP_SAVE(ctx, error)
+ section = (struct uci_section *) uci_malloc(ctx, sizeof(struct uci_section));
+ section->config = cfg;
+ uci_list_init(§ion->list);
+ uci_list_init(§ion->options);
+ uci_list_add(&cfg->sections, §ion->list);
+ section->type = uci_strdup(ctx, type);
+ if (name)
+ section->name = uci_strdup(ctx, name);
+ UCI_TRAP_RESTORE(ctx);
+
+ return section;
+
+error:
+ uci_drop_section(section);
+ UCI_THROW(ctx, ctx->errno);
+ return NULL;
+}
+
+static void uci_drop_file(struct uci_config *cfg)
+{
+ /* TODO: free children */
+ if(!cfg)
+ return;
+ if (cfg->name)
+ free(cfg->name);
+ free(cfg);
+}
+
+
+static struct uci_config *uci_alloc_file(struct uci_context *ctx, const char *name)
+{
+ struct uci_config *cfg = NULL;
+
+ UCI_TRAP_SAVE(ctx, error)
+ 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;
+ UCI_TRAP_RESTORE(ctx);
+ return cfg;
+
+error:
+ uci_drop_file(cfg);
+ UCI_THROW(ctx, ctx->errno);
+ return NULL;
+}
+