From aef843491348311908f8df17c3b356dea0683e00 Mon Sep 17 00:00:00 2001
From: Per Cederqvist <ceder@lysator.liu.se>
Date: Sun, 23 Mar 2003 09:45:10 +0000
Subject: [PATCH] (read_ranges_precondition): Don't allocate a copy of
 read_ranges if 	read_ranges is NULL.

---
 src/server/membership.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/server/membership.c b/src/server/membership.c
index dc4f9b26b..85dfc0af8 100644
--- a/src/server/membership.c
+++ b/src/server/membership.c
@@ -1,5 +1,5 @@
 /*
- * $Id: membership.c,v 0.85 2003/01/12 19:56:20 ceder Exp $
+ * $Id: membership.c,v 0.86 2003/03/23 09:45:10 ceder Exp $
  * Copyright (C) 1991-2002  Lysator Academic Computer Association.
  *
  * This file is part of the LysKOM server.
@@ -1437,10 +1437,13 @@ read_ranges_precondition(Membership *m,
     }
     
     *save = *m;
-    save->read_ranges = smalloc(m->no_of_read_ranges
-				* sizeof(save->read_ranges[0]));
-    memcpy(save->read_ranges, m->read_ranges,
-	   m->no_of_read_ranges * sizeof(save->read_ranges[0]));
+    if (m->read_ranges != NULL)
+    {
+	save->read_ranges = smalloc(m->no_of_read_ranges
+				    * sizeof(save->read_ranges[0]));
+	memcpy(save->read_ranges, m->read_ranges,
+	       m->no_of_read_ranges * sizeof(save->read_ranges[0]));
+    }
 }
 
 static int
-- 
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