From 1fd6b5a12f7be681486d7ff1af73660bc01f4b04 Mon Sep 17 00:00:00 2001
From: tradke <tradke@d60812e6-3970-4df4-986e-c251b06effeb>
Date: Tue, 24 May 2005 17:13:18 +0000
Subject: Check for NULL pointer passed as output array in CCTK_Reduce().

This closes PR CactusPUGH/1934: "CCTK_Reduce does not produce an error message,
but segfaults".


git-svn-id: http://svn.cactuscode.org/arrangements/CactusPUGH/PUGHReduce/trunk@66 d60812e6-3970-4df4-986e-c251b06effeb
---
 src/Reduction.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Reduction.c b/src/Reduction.c
index 7106dea..0ea8998 100644
--- a/src/Reduction.c
+++ b/src/Reduction.c
@@ -276,6 +276,12 @@ int PUGH_ReductionGVs (const cGH *GH,
     return (-1);
   }
 
+  if (outvals == NULL)
+  {
+    CCTK_WARN (1, "PUGH_ReductionGVs: NULL pointer passed for output array");
+    return (-1);
+  }
+
   outtypesize = CCTK_VarTypeSize (outtype);
   if (outtypesize <= 0)
   {
-- 
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