host: Update code base using clang-tidy

The checks from the new clang-tidy file are applied to the source tree
using:

$ find . -name "*.cpp" | sort -u | xargs \
    --max-procs 8 --max-args 1 clang-tidy --format-style=file \
    --fix -p /path/to/compile_commands.json

1 files changed, 2 insertions, 2 deletions

diff --git a/host/utils/latency/lib/Responder.cpp b/host/utils/latency/lib/Responder.cpp
index c2f224d00..65c3e2941 100644
--- a/host/utils/latency/lib/Responder.cpp
+++ b/host/utils/latency/lib/Responder.cpp
@@ -664,7 +664,7 @@ bool Responder::handle_interactive_control()
 // print updated interactive control value
 void Responder::print_interactive_msg(std::string msg)
 {
-    if (msg != "") {
+    if (!msg.empty()) {
         // move cursor back to beginning of line
         int y, x;
         getyx(_window, y, x);
@@ -1107,7 +1107,7 @@ void Responder::write_log_file()
             logs << boost::format("device=%s") % _usrp->get_mboard_name() << endl;
             logs << boost::format("device_args=%s") % _opt.device_args << endl;
             logs << boost::format("type=%s") % hw_info["type"] << endl;
-            if (hw_info.size() > 0) {
+            if (!hw_info.empty()) {
                 logs << boost::format("usrp_addr=%s") % hw_info["usrp_addr"] << endl;
                 logs << boost::format("usrp_name=%s") % hw_info["name"] << endl;
                 logs << boost::format("serial=%s") % hw_info["serial"] << endl;