From b8dcae849e6bd68cc9c3848f36aaf697898674f5 Mon Sep 17 00:00:00 2001
From: schnetter <schnetter@b61c5cb5-eaca-4651-9a7a-d64986f99364>
Date: Thu, 24 Mar 2005 15:15:59 +0000
Subject: Allow realloc to return NULL for a zero-sized request

git-svn-id: http://svn.cactuscode.org/arrangements/CactusPUGH/PUGH/trunk@463 b61c5cb5-eaca-4651-9a7a-d64986f99364
---
 src/SetupGroup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SetupGroup.c b/src/SetupGroup.c
index bb0b640..26f3be4 100644
--- a/src/SetupGroup.c
+++ b/src/SetupGroup.c
@@ -186,7 +186,7 @@ static int PUGH_SetupGAGroup (pGH *newGH,
 
   temp = realloc (newGH->variables, (newGH->nvariables+n_variables) *
                                     sizeof (void **));
-  if(temp)
+  if(newGH->nvariables+n_variables==0 || temp)
   {
     newGH->variables = temp;
 
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