implement uci get

[project/uci.git] / uci.h

diff --git a/uci.h b/uci.h
index b9b5cb3..021e5b3 100644 (file)
--- a/uci.h
+++ b/uci.h
@@ -46,12 +46,14 @@ enum
        UCI_ERR_LAST
 };
 
+struct uci_list;
 struct uci_list
 {
-       void *next;
-       void *prev;
+       struct uci_list *next;
+       struct uci_list *prev;
 };
 
+struct uci_element;
 struct uci_package;
 struct uci_section;
 struct uci_option;
@@ -120,6 +122,20 @@ extern int uci_unload(struct uci_context *ctx, const char *name);
 extern int uci_cleanup(struct uci_context *ctx);
 
 /**
+ * uci_lookup: Look up an uci element
+ *
+ * @ctx: uci context
+ * @res: where to store the result
+ * @package: config package
+ * @section: config section (optional)
+ * @option: option to search for (optional)
+ *
+ * If section is omitted, then a pointer to the config package is returned
+ * If option is omitted, then a pointer to the config section is returned
+ */
+extern int uci_lookup(struct uci_context *ctx, struct uci_element **res, char *package, char *section, char *option);
+
+/**
  * uci_list_configs: List available uci config files
  *
  * @ctx: uci context
@@ -128,9 +144,9 @@ extern char **uci_list_configs(struct uci_context *ctx);
 
 /* UCI data structures */
 enum uci_type {
-       uci_type_package = 0,
-       uci_type_section = 1,
-       uci_type_option = 2
+       UCI_TYPE_PACKAGE = 0,
+       UCI_TYPE_SECTION = 1,
+       UCI_TYPE_OPTION = 2
 };
 
 struct uci_element
@@ -274,6 +290,11 @@ struct uci_history
 /* returns true if a list is empty */
 #define uci_list_empty(list) ((list)->next == (list))
 
+/* wrappers for dynamic type handling */
+#define uci_type_package UCI_TYPE_PACKAGE
+#define uci_type_section UCI_TYPE_SECTION
+#define uci_type_option UCI_TYPE_OPTION
+
 /* element typecasting */
 #ifdef UCI_DEBUG_TYPECAST
 static const char *uci_typestr[] = {