From d2057af7a23c202ffa28ad1f52c09c3b7c49c9d9 Mon Sep 17 00:00:00 2001
From: Markus Armbruster <armbru@pond.sub.org>
Date: Sun, 6 Nov 2011 19:13:59 +0100
Subject: [PATCH] Make add refuse to touch a country while it's being played

I suspect player code could get terminally confused by country state
changing unexpectedly.  Not worth the risk.
---
 src/lib/commands/add.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/lib/commands/add.c b/src/lib/commands/add.c
index 5956902c4..5580a9032 100644
--- a/src/lib/commands/add.c
+++ b/src/lib/commands/add.c
@@ -108,6 +108,11 @@ add(void)
 	pr("Illegal status\n");
 	return RET_SYN;
     }
+    if (getplayer(natp->nat_cnum)) {
+	pr("%s (#%d) is logged in!\n",
+	   natp->nat_cnam, natp->nat_cnum);
+	return RET_FAIL;
+    }
     nat_reset(natp, natp->nat_cnum, cntryname, pname, stat);
     putnat(natp);
     return 0;
-- 
2.43.0