commit 8f7b9e3d39cdae8363816aa7bcbab0d79fd70cea
author Chih-Hung Hsieh <chh@google.com> Wed Jul 27 16:25:51 2016 -0700
committer Chih-Hung Hsieh <chh@google.com> Mon Aug 01 11:55:42 2016 -0700
tree 136c54668ea9515735fc14d1e71eb514c62f5a57
parent eafeb75c492677550a62dfe19623fac8b7be0344

Fix clang-tidy performance warnings in syste/core.

* Use const reference type for parameters to avoid unnecessary copy.
* Suppress warning of not using faster overloaded string find function.

Bug: 30407689
Bug: 30411878
Change-Id: I6cfdbbd50cf5e8f3db6e5263076d3a17a9a791ee
Test: build with WITH_TIDY=1
Merged-In: Ie79dbe21899867bc62031f8618bb1322b8071525

init/util.cpp

diff --git a/init/util.cpp b/init/util.cpp
index 6c1923f..10ab1c7 100644
--- a/init/util.cpp
+++ b/init/util.cpp
@@ -317,7 +317,7 @@
 }
 
 void import_kernel_cmdline(bool in_qemu,
-                           std::function<void(const std::string&, const std::string&, bool)> fn) {
+                           const std::function<void(const std::string&, const std::string&, bool)>& fn) {
     std::string cmdline;
     android::base::ReadFileToString("/proc/cmdline", &cmdline);