From 4cc8643baf5b4e4a25fb20a77b3257100747d483 Mon Sep 17 00:00:00 2001
From: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
Date: Mon, 29 Sep 2014 23:05:12 +0200
Subject: [PATCH] util/ldb_cmd.cc: prefer prefix ++operator for non-primitive
 types

Prefer prefix ++operator for non-primitive types like iterators for
performance reasons. Prefix ++/-- operators avoid creating a temporary
copy.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
---
 util/ldb_cmd.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/util/ldb_cmd.cc b/util/ldb_cmd.cc
index 9f00757b8..8eda39bf9 100644
--- a/util/ldb_cmd.cc
+++ b/util/ldb_cmd.cc
@@ -325,7 +325,7 @@ bool LDBCommand::ParseKeyValue(const string& line, string* key, string* value,
 bool LDBCommand::ValidateCmdLineOptions() {
 
   for (map<string, string>::const_iterator itr = option_map_.begin();
-        itr != option_map_.end(); itr++) {
+        itr != option_map_.end(); ++itr) {
     if (find(valid_cmd_line_options_.begin(),
           valid_cmd_line_options_.end(), itr->first) ==
           valid_cmd_line_options_.end()) {
@@ -335,7 +335,7 @@ bool LDBCommand::ValidateCmdLineOptions() {
   }
 
   for (vector<string>::const_iterator itr = flags_.begin();
-        itr != flags_.end(); itr++) {
+        itr != flags_.end(); ++itr) {
     if (find(valid_cmd_line_options_.begin(),
           valid_cmd_line_options_.end(), *itr) ==
           valid_cmd_line_options_.end()) {
@@ -1538,7 +1538,7 @@ void BatchPutCommand::DoCommand() {
   WriteBatch batch;
 
   for (vector<pair<string, string>>::const_iterator itr
-        = key_values_.begin(); itr != key_values_.end(); itr++) {
+        = key_values_.begin(); itr != key_values_.end(); ++itr) {
       batch.Put(itr->first, itr->second);
   }
   Status st = db_->Write(WriteOptions(), &batch);