Add new lasso_log_set_handler and lasso_log_remove_handler functions

They are modeled around the g_log... functions of GLib, they just don't
have a domain parameter.

bindings/overrides.xml

@@ -194,6 +194,8 @@
   <struct name="LassoAuthentication" skip="true"/>
   <func name="lasso_wsse_username_token_derive_key" skip="true"/>
   <func name="lasso_wsa_endpoint_reference_add_security_token" skip="true"/>
+  <func name="lasso_log_set_handler" skip="true"/>
+  <func name="lasso_log_remove_handler" skip="true"/>
   <!-- Exceptions -->
   <exception>
     <category name="Profile"/>

docs/reference/lasso/lasso-sections.txt

@@ -6132,3 +6132,10 @@ lasso_soap_envelope_sb2_get_redirect_request_url
 lasso_soap_envelope_sb2_get_target_identity_header
 lasso_soap_envelope_get_sb2_user_interaction_header
 </SECTION>
+
+<SECTION>
+<FILE>logging</FILE>
+<TITLE>Logging</TITLE>
+lasso_log_set_handler
+lasso_log_remove_handler
+</SECTION>

lasso/xml/tools.c

@@ -2178,3 +2178,41 @@ lasso_set_string_from_prop(char **str, xmlNode *node, xmlChar *name, xmlChar *ns
 	}
 	lasso_release_xml_string(value);
 }
+
+
+/**
+ * lasso_log_set_handler:
+ * @log_levels: the log levels to apply the log handler for. To handle fatal
+ *   and recursive messages as well, combine the log levels with the
+ *   #G_LOG_FLAG_FATAL and #G_LOG_FLAG_RECURSION bit flags.
+ * @log_func: the log handler function.
+ * @user_data: data passed to the log handler.
+ *
+ * Sets the log handler for a domain and a set of log levels.  To handle fatal
+ * and recursive messages the @log_levels parameter must be combined with the
+ * #G_LOG_FLAG_FATAL and #G_LOG_FLAG_RECURSION bit flags.
+ *
+ * Note that since the #G_LOG_LEVEL_ERROR log level is always fatal, if you
+ * want to set a handler for this log level you must combine it with
+ * #G_LOG_FLAG_FATAL.
+ *
+ * Returns: the id of the new handler.
+ **/
+guint
+lasso_log_set_handler(GLogLevelFlags log_levels, GLogFunc log_func, gpointer user_data)
+{
+	return g_log_set_handler("Lasso", log_levels, log_func, user_data);
+}
+
+/**
+ * lasso_log_remove_handler:
+ * @handler_id: the id of the handler, which was returned in
+ *   lasso_log_set_handler().
+ *
+ * Removes the log handler.
+ **/
+void
+lasso_log_remove_handler(guint handler_id)
+{
+	g_log_remove_handler("Lasso", handler_id);
+}

lasso/xml/tools.h

@@ -26,5 +26,7 @@
 #define __LASSO_TOOLS_H__
 
 LASSO_EXPORT char* lasso_build_unique_id(unsigned int size);
+LASSO_EXPORT guint lasso_log_set_handler(GLogLevelFlags log_levels, GLogFunc log_func, gpointer user_data);
+LASSO_EXPORT void lasso_log_remove_handler(guint handler_id);
 
 #endif /* __LASSO_TOOLS_H__ */