Remove unnecessary modifications and optimize code style

src/brpc/builtin/status_service.cpp

@@ -158,10 +158,8 @@ void StatusService::default_method(::google::protobuf::RpcController* cntl_base,
                     if (mp->http_url) {
                         os << " @" << *mp->http_url;
                     }
-                    if (NULL != mp->status && 
-                        mp->status->max_concurrency() > 0) {
-                        os << " current_max_concurrency=" 
-                           << mp->status->max_concurrency();
+                    if (mp->status && mp->status->max_concurrency() > 0) {
+                        os << " max_concurrency=" << mp->status->max_concurrency();
                     }
                 }
                 os << "</h4>\n";
@@ -172,10 +170,8 @@ void StatusService::default_method(::google::protobuf::RpcController* cntl_base,
                     if (mp->http_url) {
                         os << " @" << *mp->http_url;
                     }
-                    if (NULL != mp->status && 
-                        mp->status->max_concurrency() > 0) {
-                        os << " max_concurrency=" 
-                           << mp->status->max_concurrency();
+                    if (mp->status && mp->status->max_concurrency() > 0) {
+                    os << " max_concurrency=" << mp->status->max_concurrency();
                     }
                 }
                 os << '\n';

src/brpc/policy/mongo_protocol.cpp

@@ -222,8 +222,8 @@ void ProcessMongoRequest(InputMessageBase* msg_base) {
 
         if (!ServerPrivateAccessor(server).AddConcurrency(&(mongo_done->cntl))) {
             mongo_done->cntl.SetFailed(
-                    ELIMIT, "Reached server's max_concurrency=%d",
-                    static_cast<int>(server->options().max_concurrency));
+                ELIMIT, "Reached server's max_concurrency=%d",
+                static_cast<int>(server->options().max_concurrency));
             break;
         }
         if (FLAGS_usercode_in_pthread && TooManyUserCode()) {

src/brpc/policy/nshead_protocol.cpp

@@ -294,8 +294,8 @@ void ProcessNsheadRequest(InputMessageBase* msg_base) {
         }
         if (!server_accessor.AddConcurrency(cntl)) {
             cntl->SetFailed(
-                    ELIMIT, "Reached server's max_concurrency=%d",
-                    static_cast<int>(server->options().max_concurrency));
+                ELIMIT, "Reached server's max_concurrency=%d",
+                static_cast<int>(server->options().max_concurrency));
             break;
         }
         if (FLAGS_usercode_in_pthread && TooManyUserCode()) {

src/brpc/policy/sofa_pbrpc_protocol.cpp

@@ -388,8 +388,8 @@ void ProcessSofaRequest(InputMessageBase* msg_base) {
 
         if (!server_accessor.AddConcurrency(cntl.get())) {
             cntl->SetFailed(
-                    ELIMIT, "Reached server's max_concurrency=%d",
-                    static_cast<int>(server->options().max_concurrency));
+                ELIMIT, "Reached server's max_concurrency=%d",
+                static_cast<int>(server->options().max_concurrency));
             break;
         }
         if (FLAGS_usercode_in_pthread && TooManyUserCode()) {