/**
* Duplicate an existing configuration object.
*
- * @param c configuration to duplicate
+ * @param cfg configuration to duplicate
* @return duplicate configuration
*/
struct GNUNET_CONFIGURATION_Handle *
-GNUNET_CONFIGURATION_dup (const struct GNUNET_CONFIGURATION_Handle *c);
+GNUNET_CONFIGURATION_dup (const struct GNUNET_CONFIGURATION_Handle *cfg);
/**
* to overwrite the defaults.
*
* @param cfg configuration to update
- * @param filename name of the configuration file
+ * @param filename name of the configuration file, NULL to load defaults
* @return GNUNET_OK on success, GNUNET_SYSERR on error
*/
int GNUNET_CONFIGURATION_load (struct GNUNET_CONFIGURATION_Handle *cfg,
int GNUNET_CONFIGURATION_write (struct GNUNET_CONFIGURATION_Handle *cfg,
const char *filename);
+/**
+ * Write only configuration entries that have been changed to configuration file
+ * @param cfgDefault default configuration
+ * @param cfgNew new configuration
+ * @param filename where to write the configuration diff between default and new
+ * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ */
+int
+GNUNET_CONFIGURATION_write_diffs(const struct GNUNET_CONFIGURATION_Handle *cfgDefault,
+ const struct GNUNET_CONFIGURATION_Handle *cfgNew,
+ const char* filename);
/**
* Test if there are configuration options that were
const char *value);
+/**
+ * Function to iterate over section.
+ *
+ * @param cls closure
+ * @param section name of the section
+ */
+typedef void (*GNUNET_CONFIGURATION_Section_Iterator)(void *cls,
+ const char *section);
+
+
/**
* Iterate over all options in the configuration.
*
void *iter_cls);
+/**
+ * Iterate over all sections in the configuration.
+ *
+ * @param cfg configuration to inspect
+ * @param iter function to call on each section
+ * @param iter_cls closure for iter
+ */
+void GNUNET_CONFIGURATION_iterate_sections (const struct GNUNET_CONFIGURATION_Handle *cfg,
+ GNUNET_CONFIGURATION_Section_Iterator iter,
+ void *iter_cls);
+
/**
* Get a configuration value that should be a number.
*