From: Christian Grothoff <christian@grothoff.org>
Date: Tue, 26 Jul 2016 20:39:59 +0000 (+0000)
Subject: -avoid overflow in calculation for very large values
X-Git-Tag: initial-import-from-subversion-38251~494
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=4f3250dfb068d6f378f4d504e06a9126d9dac99b;p=oweals%2Fgnunet.git

-avoid overflow in calculation for very large values
---

diff --git a/src/util/bandwidth.c b/src/util/bandwidth.c
index 008963c3c..980af764a 100644
--- a/src/util/bandwidth.c
+++ b/src/util/bandwidth.c
@@ -203,10 +203,9 @@ update_excess (struct GNUNET_BANDWIDTH_Tracker *av)
   }
   else
   {
+    double factor = 1.0 * left_bytes / (double) av->available_bytes_per_s__; 
     delay = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS,
-                                           left_bytes);
-    delay = GNUNET_TIME_relative_divide (delay,
-                                         av->available_bytes_per_s__);
+                                           (unsigned long long) factor);
   }
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
 	      "At %llu bps it will take us %s for %lld bytes to reach excess threshold\n",