add an extra check

[project/uci.git] / uci.h

diff --git a/uci.h b/uci.h
index 021e5b3..4420af7 100644 (file)
--- a/uci.h
+++ b/uci.h
@@ -29,6 +29,7 @@
 #define UCI_DEBUG_TYPECAST
 #endif
 
+#include <stdbool.h>
 #include <setjmp.h>
 #include <stdio.h>
 
@@ -110,9 +111,9 @@ extern int uci_load(struct uci_context *ctx, const char *name, struct uci_packag
  * uci_unload: Unload a config file from the uci context
  *
  * @ctx: uci context
- * @name: name of the config file
+ * @package: pointer to the uci_package struct
  */
-extern int uci_unload(struct uci_context *ctx, const char *name);
+extern int uci_unload(struct uci_context *ctx, struct uci_package *p);
 
 /**
  * uci_cleanup: Clean up after an error
@@ -126,14 +127,35 @@ extern int uci_cleanup(struct uci_context *ctx);
  *
  * @ctx: uci context
  * @res: where to store the result
- * @package: config package
+ * @package: uci_package struct 
  * @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);
+extern int uci_lookup(struct uci_context *ctx, struct uci_element **res, struct uci_package *package, char *section, char *option);
+
+/**
+ * uci_set_element_value: Replace an element's value with a new one
+ * @ctx: uci context
+ * @element: pointer to an uci_element struct pointer
+ * @value: new value
+ * 
+ * Only valid for uci_option and uci_section. Will replace the type string
+ * when used with an uci_section
+ */
+extern int uci_set_element_value(struct uci_context *ctx, struct uci_element **element, char *value);
+
+/**
+ * uci_set: Set an element's value; create the element if necessary
+ * @ctx: uci context
+ * @package: package name
+ * @section: section name
+ * @option: option name
+ * @value: value (option) or type (section)
+ */
+extern int uci_set(struct uci_context *ctx, char *package, char *section, char *option, char *value);
 
 /**
  * uci_list_configs: List available uci config files
@@ -166,6 +188,7 @@ struct uci_context
 
        /* private: */
        int errno;
+       const char *func;
        jmp_buf trap;
        char *buf;
        int bufsz;
@@ -192,8 +215,12 @@ struct uci_package
        struct uci_element e;
        struct uci_list sections;
        struct uci_context *ctx;
+       bool confdir;
+       char *path;
+
        /* private: */
        int n_section;
+       struct uci_list history;
 };
 
 struct uci_section
@@ -221,12 +248,9 @@ struct uci_history
 {
        struct uci_list list;
        enum uci_command cmd;
-       union {
-               struct uci_element element;
-               struct uci_package package;
-               struct uci_section section;
-               struct uci_option option;
-       } data;
+       char *section;
+       char *option;
+       char *value;
 };
 
 /* linked list handling */
@@ -287,7 +311,10 @@ struct uci_history
                &_ptr->list != (_list);                 \
                _ptr = _tmp, _tmp = list_to_element(_ptr->list.next))
 
-/* returns true if a list is empty */
+/**
+ * uci_list_empty: returns true if a list is empty
+ * @list: list head
+ */
 #define uci_list_empty(list) ((list)->next == (list))
 
 /* wrappers for dynamic type handling */