[tor-commits] [tor/master] Bounds check while looping over a fixed size table or array

[nickm@xxxxxxxxxxxxxx]

commit 60a3897ed9ed4fa81253fffa67d4f0c178090bbd
Author: Philip Van Hoof <philip@xxxxxxxxxxxxx>
Date:   Sat Aug 23 00:35:26 2014 +0200

    Bounds check while looping over a fixed size table or array
    
    (Edited to use existing ARRAY_LENGTH macro --nickm)
---
 src/or/entrynodes.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/or/entrynodes.c b/src/or/entrynodes.c
index edf766b..b5dd09f 100644
--- a/src/or/entrynodes.c
+++ b/src/or/entrynodes.c
@@ -182,7 +182,7 @@ entry_is_time_to_retry(const entry_guard_t *e, time_t now)
 
   unreachable_for = now - e->unreachable_since;
 
-  for (i = 0; ; i++) {
+  for (i = 0; i < ARRAY_LENGTH(periods); i++) {
     if (unreachable_for <= periods[i].period_duration) {
       ith_deadline_for_retry = e->last_attempted +
                                periods[i].interval_during_period;
@@ -190,6 +190,7 @@ entry_is_time_to_retry(const entry_guard_t *e, time_t now)
       return (now > ith_deadline_for_retry);
     }
   }
+  return 0;
 }
 
 /** Return the node corresponding to <b>e</b>, if <b>e</b> is

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