current miscutil.c,1.55,1.56

Update of /cvsroot/ijbswa/current
In directory sc8-pr-cvs2.sourceforge.net:/tmp/cvs-serv31832

Modified Files:
        miscutil.c 
Log Message:
Some sanity checks for pick_from_range().


Index: miscutil.c
===================================================================
RCS file: /cvsroot/ijbswa/current/miscutil.c,v
retrieving revision 1.55
retrieving revision 1.56
diff -u -d -r1.55 -r1.56
--- miscutil.c  3 Nov 2007 17:34:49 -0000       1.55
+++ miscutil.c  1 Dec 2007 12:59:05 -0000       1.56
@@ -44,6 +44,9 @@
  *
  * Revisions   :
  *    $Log$
+ *    Revision 1.56  2007/12/01 12:59:05  fabiankeil
+ *    Some sanity checks for pick_from_range().
+ *
  *    Revision 1.55  2007/11/03 17:34:49  fabiankeil
  *    Log the "weak randomization factor" warning only
  *    once for mingw32 and provide some more details.
@@ -1092,6 +1095,12 @@
 long int pick_from_range(long int range)
 {
    long int number;
+
+   assert(range != 0);
+   assert(range > 0);
+
+   if (range <= 0) return 0;
+
 #ifdef HAVE_RANDOM
    number = random() % range + 1; 
 #elif defined(FEATURE_PTHREAD)
@@ -1124,7 +1133,7 @@
 
 #endif /* (def HAVE_RANDOM) */
 
-   return (number);
+   return number;
 }
 
 


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