From: Pasi Kallinen <paxed@alt.org>
Date: Sun, 15 Nov 2020 17:56:35 +0000 (+0200)
Subject: Avoid hard-coded bit twiddling
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ccb5bc4b55343f0f5e5f5a4a3bcba9b8afbae02c;p=nethack

Avoid hard-coded bit twiddling
---

diff --git a/src/sp_lev.c b/src/sp_lev.c
index cb81076c6..348f023e0 100755
--- a/src/sp_lev.c
+++ b/src/sp_lev.c
@@ -1025,10 +1025,9 @@ link_doors_rooms()
 static int
 rnddoor()
 {
-    int i = 1 << rn2(5);
+    static int state[] = { D_NODOOR, D_BROKEN, D_ISOPEN, D_CLOSED, D_LOCKED };
 
-    i >>= 1;
-    return i;
+    return state[rn2(SIZE(state))];
 }
 
 /*