From b6b3db4d7690c26d98d91562b7fc92a1e87209b6 Mon Sep 17 00:00:00 2001
From: iobyte <iobyte@30fe4595-0a0c-4342-8851-515496e4dcbd>
Date: Thu, 30 Apr 2020 17:44:18 +0000
Subject: [PATCH] pass strings by reference where possible to avoid unnecessary
 copys

git-svn-id: https://svn.code.sf.net/p/speed-dreams/code/trunk@7013 30fe4595-0a0c-4342-8851-515496e4dcbd

Former-commit-id: 2a89b2f00d2a491fa719d977ba8447af8a03a9f4
Former-commit-id: ee41673431e054c2e4fb9326c166e2553b1c0285
---
 src/drivers/usr/src/datalog.cpp | 4 ++--
 src/drivers/usr/src/datalog.h   | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/drivers/usr/src/datalog.cpp b/src/drivers/usr/src/datalog.cpp
index 4553e706a..8ee1499c9 100755
--- a/src/drivers/usr/src/datalog.cpp
+++ b/src/drivers/usr/src/datalog.cpp
@@ -29,13 +29,13 @@ DataLog::DataLog() :
 {
 }
 
-void DataLog::init(std::string dir, std::string carname)
+void DataLog::init(const std::string &dir, const std::string &carname)
 {
     mDir = dir;
     mFile = dir + carname + "_log.dat";
 }
 
-void DataLog::add(std::string name, double* dataptr, double scale)
+void DataLog::add(const std::string &name, double* dataptr, double scale)
 {
     DataLogHead hd;
     hd.name = name;
diff --git a/src/drivers/usr/src/datalog.h b/src/drivers/usr/src/datalog.h
index f2a898a09..87aa0d2ee 100755
--- a/src/drivers/usr/src/datalog.h
+++ b/src/drivers/usr/src/datalog.h
@@ -27,8 +27,8 @@ class DataLog
 {
 public:
     DataLog();
-    void init(std::string dir, std::string carname);
-    void add(std::string name, double* data, double scale);
+    void init(const std::string &dir, const std::string &carname);
+    void add(const std::string &name, double* data, double scale);
     void update();
     void write();