Changeset 49f194f in git

Timestamp:

Jan 14, 2002, 3:21:59 PM (22 years ago)

Author:

Hans Schönemann <hannes@…>

Branches:

(u'spielwiese', 'e7cc1ebecb61be8b9ca6c18016352af89940b21a')

Children:

04c34487b9081fb3d8f6cb1dfa704d69627ea0fd

Parents:

16acb09611f2c0a2a96a2f0c68f766df486a05bb

Message:

*hannes: fix NULL deref for sres in (c,..) rings


git-svn-id: file:///usr/local/Singular/svn/trunk@5709 2c84dea3-7e68-4137-9b89-c4e89433aadc

File:

• Singular/syz0.cc (modified) (5 diffs)

Singular/syz0.cc

@@ -2 +2 @@
 *  Computer Algebra System SINGULAR     *
 ****************************************/
-/* $Id: syz0.cc,v 1.38 2001-10-09 16:36:25 Singular Exp $ */
+/* $Id: syz0.cc,v 1.39 2002-01-14 14:21:59 Singular Exp $ */
 /*
 * ABSTRACT: resolutions
@@ -217 +217 @@
   if (rkF>0)
     rSetSyzComp(rkF);
-  else
+  else 
     rSetSyzComp(1);
 /*----------------creating S--------------------------------*/
@@ -857 +857 @@
     //idPrint(res[start]);
     start++;
-  }
+  }  
 }
 
@@ -1009 +1009 @@
 syStrategy sySchreyer(ideal arg, int maxlength)
 {
+  int rl;
+  resolvente fr = sySchreyerResolvente(arg,maxlength,&(rl));
+  if (fr==NULL) return NULL;
+
   int typ0;
   syStrategy result=(syStrategy)omAlloc0(sizeof(ssyStrategy));
-
-  resolvente fr = sySchreyerResolvente(arg,maxlength,&(result->length));
-  result->fullres = (resolvente)omAlloc0((result->length+1)*sizeof(ideal));
-  for (int i=result->length-1;i>=0;i--)
+  result->length=rl;
+  result->fullres = (resolvente)omAlloc0((rl /*result->length*/+1)*sizeof(ideal));
+  for (int i=rl /*result->length*/-1;i>=0;i--)
   {
     if (fr[i]!=NULL)
@@ -1020 +1023 @@
       fr[i] = NULL;
   }
-  omFreeSize((ADDRESS)fr,(result->length)*sizeof(ideal));
+  omFreeSize((ADDRESS)fr,(rl /*result->length*/)*sizeof(ideal));
   return result;
 }