rgw/rgw_usage.cc use empty() to check for emptiness

Use !empty() instead of 'size()' to check for emptiness for
performance reasons.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
This commit is contained in:
Danny Al-Gaaf 2013-02-13 18:45:31 +01:00 committed by Greg Farnum
parent b14994e51b
commit a30017fbb9

View File

@ -14,7 +14,7 @@ static void dump_usage_categories_info(Formatter *formatter, const rgw_usage_log
formatter->open_array_section("categories");
map<string, rgw_usage_data>::const_iterator uiter;
for (uiter = entry.usage_map.begin(); uiter != entry.usage_map.end(); ++uiter) {
if (categories && categories->size() && !categories->count(uiter->first))
if (categories && !categories->empty() && !categories->count(uiter->first))
continue;
const rgw_usage_data& usage = uiter->second;
formatter->open_object_section("entry");