mie: add strict-naming support to mie_name_map

in strict mode, the hint is taken as the required name. if a value already
exists with the given name, the operation fails.

mie/include/mie/name.h

@@ -4,6 +4,10 @@
 #include <blue/core/btree.h>
 #include <blue/core/queue.h>
 
+enum mie_name_map_flags {
+	MIE_NAME_MAP_STRICT = 0x01u,
+};
+
 enum mie_name_map_entry_type {
 	MIE_NAME_MAP_E_NONE = 0,
 	MIE_NAME_MAP_E_NAME,
@@ -38,6 +42,7 @@ extern struct mie_name_map *mie_name_map_create(void);
 extern void mie_name_map_destroy(struct mie_name_map *map);
 
 extern struct mie_name *mie_name_map_put(
-	struct mie_name_map *map, struct mie_name *entry, const char *hint);
+	struct mie_name_map *map, struct mie_name *entry, const char *hint,
+	enum mie_name_map_flags flags);
 
 #endif