Use const on all read-only buffers
diff --git a/utils.c b/utils.c
index 539ab14..3909970 100644
--- a/utils.c
+++ b/utils.c
@@ -39,7 +39,7 @@
 	return -1;
 }
 
-int name2id(name_map* map, int max, char *name)
+int name2id(name_map* map, int max, const char *name)
 {
 	int i;