From 0639f7263a9a73cce6948cad23cd2d4858d36c5b Mon Sep 17 00:00:00 2001
From: Ondrej Filip <feela@network.cz>
Date: Wed, 8 Nov 2000 17:06:35 +0000
Subject: Bugfix in iface_patts_equal. When both patterns were NULL strcmp it
 sigfaulted.

---
 nest/iface.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'nest/iface.c')

diff --git a/nest/iface.c b/nest/iface.c
index 9c884a0..5255cff 100644
--- a/nest/iface.c
+++ b/nest/iface.c
@@ -578,7 +578,8 @@ iface_patts_equal(list *a, list *b, int (*comp)(struct iface_patt *, struct ifac
   y = HEAD(*b);
   while (x->n.next && y->n.next)
     {
-      if (strcmp(x->pattern, y->pattern) ||
+      if ((!(x->pattern==NULL)&&(x->pattern==NULL) &&
+          strcmp(x->pattern, y->pattern)) ||
 	  !ipa_equal(x->prefix, y->prefix) ||
 	  x->pxlen != y->pxlen ||
 	  comp && !comp(x, y))
-- 
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