Changeset f5515b in git

Timestamp:

May 13, 2005, 5:37:31 PM (19 years ago)

Author:

Hans Schönemann <hannes@…>

Branches:

(u'spielwiese', 'fe61d9c35bf7c61f2b6cbf1b56e25e2f08d536cc')

Children:

70aaf81e53c6fd2b628fc675ea5972e00150ee8d

Parents:

f28c6cfb0145da534a44a70af080b9943b8ef4dc

Message:

*hannes: fixed NULL deref


git-svn-id: file:///usr/local/Singular/svn/trunk@8195 2c84dea3-7e68-4137-9b89-c4e89433aadc

File:

• Singular/iparith.cc (modified) (2 diffs)

Singular/iparith.cc

@@ -2 +2 @@
 *  Computer Algebra System SINGULAR     *
 ****************************************/
-/* $Id: iparith.cc,v 1.361 2005-05-13 15:29:19 Singular Exp $ */
+/* $Id: iparith.cc,v 1.362 2005-05-13 15:37:31 Singular Exp $ */
 
 /*
@@ -3705 +3705 @@
 static BOOLEAN jjPRUNE(leftv res, leftv v)
 {
-  intvec *w=ivCopy((intvec *)atGet(v,"isHomog",INTVEC_CMD));
-  intvec **ww=&w;
-  res->data = (char *)idMinEmbedding((ideal)v->Data(),FALSE,ww);
-  atSet(res,omStrDup("isHomog"),*ww,INTVEC_CMD);
+  intvec *w=(intvec *)atGet(v,"isHomog",INTVEC_CMD);
+  ideal v_id=(ideal)v->Data();
+  if ((*w)!=NULL) 
+  {
+    *w=ivCopy(*w);
+    intvec **ww=&w;
+    res->data = (char *)idMinEmbedding(v_id,FALSE,ww);
+    atSet(res,omStrDup("isHomog"),*ww,INTVEC_CMD);
+  }
+  else
+    res->data = (char *)idMinEmbedding(v_id);
   return FALSE;
 }