From 47f912db2e44c75ca3b901b216bc3f4f57380ebd Mon Sep 17 00:00:00 2001
From: schnorr <schnorr@48e7efb5-ca39-0410-a469-dd3cf9ba447f>
Date: Wed, 13 Oct 2010 11:36:37 +0000
Subject: [PATCH] xbt_die when caller tries to declare a link that is NULL

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@8414 48e7efb5-ca39-0410-a469-dd3cf9ba447f
---
 src/instr/surf_instr.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/instr/surf_instr.c b/src/instr/surf_instr.c
index 2f9f9303ec..81e51c8e78 100644
--- a/src/instr/surf_instr.c
+++ b/src/instr/surf_instr.c
@@ -86,6 +86,10 @@ void TRACE_surf_link_declaration(void *link, char *name, double bw,
   if (!IS_TRACING)
     return;
 
+  if (!link){
+    xbt_die ("link is NULL");
+  }
+
   //filter out loopback
   if (!strcmp(name, "loopback") || !strcmp(name, "__loopback__"))
     return;
-- 
2.20.1