Changeset 5caede in git for Singular/links/ndbm.cc

Timestamp:

Nov 2, 2012, 2:28:44 PM (11 years ago)

Author:

Hans Schoenemann <hannes@…>

Branches:

(u'spielwiese', '0d6b7fcd9813a1ca1ed4220cfa2b104b97a0a003')

Children:

12777c5748c82636b06dbe5ed71f2459864064c1

Parents:

f8956562764c1278bc32cbc7e345d0b73ff82807

Message:

fix: int overflow in hash function

File:

• Singular/links/ndbm.cc (modified) (3 diffs)

Singular/links/ndbm.cc

@@ -428 +428 @@
         29, 25, 21, 17, 13,  9,  5,  1,
 };
-static  long hltab[64]
+static unsigned  long hltab[64]
  = {
         06100151277L,06106161736L,06452611562L,05001724107L,
@@ -452 +452 @@
   register int s, c, j;
   register char *cp;
-  register long hashl;
-  register int hashi;
+  register unsigned long hashl;
+  register unsigned int hashi;
 
   hashl = 0;
@@ -467 +467 @@
     }
   }
-  return (hashl);
+  return (long)(hashl);
 }