debian/patches/bts428778-floating-point-exception

   1 Index: rrdtool/src/rrd_create.c
   2 ===================================================================
   3 --- rrdtool.orig/src/rrd_create.c       2008-02-24 16:12:49.000000000 +0100
   4 +++ rrdtool/src/rrd_create.c    2008-02-24 16:13:34.000000000 +0100
   5 @@ -619,6 +619,15 @@
   6             default:
   7                 /* can not be zero because we don't know anything ... */
   8                 rrd->cdp_prep->scratch[CDP_val].u_val = DNAN;
   9 +               /* If the step is 0, we're going to have a BIG Floating Point Exception (i.e. SIGFPE). */
  10 +               /* Example: (( 1202705167 - 67 ) % ( 300 * 0 )) / 300 */
  11 +               if (rrd->rra_def[i].pdp_cnt == 0)
  12 +               {
  13 +                   rrd_set_error("Invalid step: must be greater than 0.");
  14 +                   rrd_free(rrd);
  15 +                   fclose(rrd_file);
  16 +                   return(-1);
  17 +               }
  18                 /* startup missing pdp count */
  19                 rrd->cdp_prep->scratch[CDP_unkn_pdp_cnt].u_cnt =
  20                     ((rrd->live_head->last_up -