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[05/15] common/AsyncReserver.h: use empty() instead of size()

Message ID 1360266123-28972-6-git-send-email-danny.al-gaaf@bisect.de (mailing list archive)
State New, archived
Headers show

Commit Message

Danny Al-Gaaf Feb. 7, 2013, 7:41 p.m. UTC
Fix warning for usage of queue.size() in do_queues(). Use empty()
since it should be prefered as it has, following the standard, a
constant time complexity regardless of the containter type. The
same is not guaranteed for size().

warning from cppchecker was:
[common/AsyncReserver.h:40]: (performance) Possible inefficient
  checking for 'queue' emptiness.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
---
 src/common/AsyncReserver.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/src/common/AsyncReserver.h b/src/common/AsyncReserver.h
index 8cc2258..638bfb3 100644
--- a/src/common/AsyncReserver.h
+++ b/src/common/AsyncReserver.h
@@ -37,7 +37,7 @@  class AsyncReserver {
 
   void do_queues() {
     while (in_progress.size() < max_allowed &&
-           queue.size()) {
+           !queue.empty()) {
       pair<T, Context*> p = queue.front();
       queue_pointers.erase(p.first);
       queue.pop_front();