@@ -285,3 +285,39 @@ void **cfg_get_handle(char *gname)

 	return group->handle;

 }

+

+

+/* Set the group_id pointer based on the group string.

+ * The string is either "group_name", or "group_name[group_id]"

+ * *group_id is set to null in the former case.

+ * Warning: changes the group string

+ */

+int cfg_get_group_id(str *group, unsigned int **group_id)

+{

+	static unsigned int	id;

+	str	s;

+

+	if (!group->s || (group->s[group->len-1] != ']')) {

+		*group_id = NULL;

+		return 0;

+	}

+

+	s.s = group->s + group->len - 2;

+	s.len = 0;

+	while ((s.s > group->s) && (*s.s != '[')) {

+		s.s--;

+		s.len++;

+	}

+	if (s.s == group->s) /* '[' not found */

+		return -1;

+	group->len = s.s - group->s;

+	s.s++;

+	if (!group->len || !s.len)

+		return -1;

+	if (str2int(&s, &id))

+		return -1;

+

+	*group_id = &id;

+	return 0;

+}

+

@@ -102,4 +102,7 @@ int cfg_new_ginst(char *group_name, unsigned int group_id);

 /*! \brief returns the handle of a cfg group */

 void **cfg_get_handle(char *gname);

+/*! \brief get the id of a cfg group */

+int cfg_get_group_id(str *group, unsigned int **group_id);

+

 #endif /* _CFG_H */