[SCM] an open source computer algebra system branch, cleanedupstream, updated. 6125e540ca6d66c307958938a9d53b245507c323

[Bernhard R. Link]

The following commit has been merged in the cleanedupstream branch:
commit 7b39b428886220f88a8d8bfd285635bd324a8d90
Author: Hans Schoenemann <hannes at mathematik.uni-kl.de>
Date:   Wed Feb 15 18:24:11 2012 +0100

    fix: check for empty attribute list

diff --git a/Singular/attrib.cc b/Singular/attrib.cc
index ff3739b..a64f47f 100644
--- a/Singular/attrib.cc
+++ b/Singular/attrib.cc
@@ -137,12 +137,14 @@ void * atGet(idhdl root,const char * name, int t)
 
 void * atGet(leftv root,const char * name, int t)
 {
-  attr a=*(root->Attribute());
-  attr temp = a->get(name);
-  if ((temp!=NULL) && (temp->atyp==t))
-    return temp->data;
-  else
-    return NULL;
+  attr *a=(root->Attribute());
+  if (a!=NULL)
+  {
+    attr temp = (*a)->get(name);
+    if ((temp!=NULL) && (temp->atyp==t))
+      return temp->data;
+  }
+  return NULL;
 }
 
 void atSet(idhdl root,const char * name,void * data,int typ)

-- 
an open source computer algebra system