Restoring authorship annotation for <and42@yandex-team.ru>. Commit 1 of 2.

21 files changed, 516 insertions, 516 deletions

diff --git a/contrib/libs/ya.make b/contrib/libs/ya.make
index 9c4640fdcf..38f192ce0c 100644
--- a/contrib/libs/ya.make
+++ b/contrib/libs/ya.make
@@ -257,7 +257,7 @@ RECURSE(
     openmp
     openssl
     opentracing-cpp
-    opus
+    opus 
     ortools
     ortools/proto
     osrm
diff --git a/library/cpp/coroutine/engine/sockpool.cpp b/library/cpp/coroutine/engine/sockpool.cpp
index b9482e780f..01f8c35a4d 100644
--- a/library/cpp/coroutine/engine/sockpool.cpp
+++ b/library/cpp/coroutine/engine/sockpool.cpp
@@ -1,58 +1,58 @@
-#include "sockpool.h"
-
-void SetCommonSockOpts(SOCKET sock, const struct sockaddr* sa) {
-    SetSockOpt(sock, SOL_SOCKET, SO_REUSEADDR, 1);
-
-    if (!sa || sa->sa_family == AF_INET) {
-        sockaddr_in s_in;
-        s_in.sin_family = AF_INET;
-        s_in.sin_addr.s_addr = INADDR_ANY;
-        s_in.sin_port = 0;
-
-        if (bind(sock, (struct sockaddr*)&s_in, sizeof(s_in)) == -1) {
-            warn("bind");
-        }
-    } else if (sa->sa_family == AF_INET6) {
+#include "sockpool.h" 
+ 
+void SetCommonSockOpts(SOCKET sock, const struct sockaddr* sa) { 
+    SetSockOpt(sock, SOL_SOCKET, SO_REUSEADDR, 1); 
+ 
+    if (!sa || sa->sa_family == AF_INET) { 
+        sockaddr_in s_in; 
+        s_in.sin_family = AF_INET; 
+        s_in.sin_addr.s_addr = INADDR_ANY; 
+        s_in.sin_port = 0; 
+ 
+        if (bind(sock, (struct sockaddr*)&s_in, sizeof(s_in)) == -1) { 
+            warn("bind"); 
+        } 
+    } else if (sa->sa_family == AF_INET6) { 
         sockaddr_in6 s_in6(*(const sockaddr_in6*)sa);
-        Zero(s_in6.sin6_addr);
-        s_in6.sin6_port = 0;
-
-        if (bind(sock, (const struct sockaddr*)&s_in6, sizeof s_in6) == -1) {
-            warn("bind6");
-        }
-    } else {
+        Zero(s_in6.sin6_addr); 
+        s_in6.sin6_port = 0; 
+ 
+        if (bind(sock, (const struct sockaddr*)&s_in6, sizeof s_in6) == -1) { 
+            warn("bind6"); 
+        } 
+    } else { 
         Y_ASSERT(0);
-    }
-
-    SetNoDelay(sock, true);
-}
-
-TPooledSocket TSocketPool::AllocateMore(TConnectData* conn) {
-    TCont* cont = conn->Cont;
-
-    while (true) {
+    } 
+ 
+    SetNoDelay(sock, true); 
+} 
+ 
+TPooledSocket TSocketPool::AllocateMore(TConnectData* conn) { 
+    TCont* cont = conn->Cont; 
+ 
+    while (true) { 
         TSocketHolder s(NCoro::Socket(Addr_->Addr()->sa_family, SOCK_STREAM, 0));
-
-        if (s == INVALID_SOCKET) {
+ 
+        if (s == INVALID_SOCKET) { 
             ythrow TSystemError(errno) << TStringBuf("can not create socket");
-        }
-
-        SetCommonSockOpts(s, Addr_->Addr());
-        SetZeroLinger(s);
-
+        } 
+ 
+        SetCommonSockOpts(s, Addr_->Addr()); 
+        SetZeroLinger(s); 
+ 
         const int ret = NCoro::ConnectD(cont, s, Addr_->Addr(), Addr_->Len(), conn->DeadLine);
-
-        if (ret == EINTR) {
-            continue;
-        } else if (ret) {
+ 
+        if (ret == EINTR) { 
+            continue; 
+        } else if (ret) { 
             ythrow TSystemError(ret) << TStringBuf("can not connect(") << cont->Name() << ')';
-        }
-
-        THolder<TPooledSocket::TImpl> res(new TPooledSocket::TImpl(s, this));
-        s.Release();
-
-        if (res->IsOpen()) {
-            return res.Release();
-        }
-    }
-}
+        } 
+ 
+        THolder<TPooledSocket::TImpl> res(new TPooledSocket::TImpl(s, this)); 
+        s.Release(); 
+ 
+        if (res->IsOpen()) { 
+            return res.Release(); 
+        } 
+    } 
+} 
diff --git a/library/cpp/coroutine/engine/sockpool.h b/library/cpp/coroutine/engine/sockpool.h
index 1ebb7e7b38..da1f3b3a04 100644
--- a/library/cpp/coroutine/engine/sockpool.h
+++ b/library/cpp/coroutine/engine/sockpool.h
@@ -1,11 +1,11 @@
 #pragma once
 
-#include "impl.h"
+#include "impl.h" 
 #include "network.h"
 
-#include <util/network/address.h>
-#include <util/network/socket.h>
-#include <util/system/mutex.h>
+#include <util/network/address.h> 
+#include <util/network/socket.h> 
+#include <util/system/mutex.h> 
 
 extern void SetCommonSockOpts(SOCKET sock, const struct sockaddr* sa = nullptr);
 
@@ -143,7 +143,7 @@ class TSocketPool {
 
 public:
     typedef TAtomicSharedPtr<NAddr::IRemoteAddr> TAddrRef;
-
+ 
     TSocketPool(int ip, int port)
         : Addr_(new NAddr::TIPv4Addr(TIpAddress((ui32)ip, (ui16)port)))
     {
@@ -153,7 +153,7 @@ public:
         : Addr_(addr)
     {
     }
-
+ 
     void EraseStale(const TInstant& maxAge) noexcept {
         TSockets toDelete;
 
diff --git a/library/cpp/coroutine/engine/ya.make b/library/cpp/coroutine/engine/ya.make
index 8c20b9afc3..b81b35476e 100644
--- a/library/cpp/coroutine/engine/ya.make
+++ b/library/cpp/coroutine/engine/ya.make
@@ -20,7 +20,7 @@ SRCS(
     iostatus.cpp
     network.cpp
     poller.cpp
-    sockpool.cpp
+    sockpool.cpp 
     stack/stack.cpp
     stack/stack_allocator.cpp
     stack/stack_guards.cpp
diff --git a/library/cpp/dns/README.md b/library/cpp/dns/README.md
index 6659d73ea2..81184e2948 100644
--- a/library/cpp/dns/README.md
+++ b/library/cpp/dns/README.md
@@ -1,9 +1,9 @@
-Overview
-===
-Библиотека кеширующего resolving-а - изначально писалась для имплементации neh http протокола, использующей корутины.
-Для предотвращения пробоя короткого стека корутин есть метод, предусматривающий вынос в отдельный тред собственно вызов функции резолвинга.
-Для предотвращения обращения к DNS серверам (использования вместо этого заранее заданных ip-адресов),
-предусмотрена ручка добавления alias-ов hosname -> ip-address (требование от метапоискового движка).
-
-Из-за того, что библиотка разрабатывалась под задачу максимально быстрого резолвинга добавлены слои кеширования результатов
-resoving-а, - возможности сбросить кеш для того, чтобы получить более свежие адреса для указанного host-а _нет_.
+Overview 
+=== 
+Библиотека кеширующего resolving-а - изначально писалась для имплементации neh http протокола, использующей корутины. 
+Для предотвращения пробоя короткого стека корутин есть метод, предусматривающий вынос в отдельный тред собственно вызов функции резолвинга. 
+Для предотвращения обращения к DNS серверам (использования вместо этого заранее заданных ip-адресов), 
+предусмотрена ручка добавления alias-ов hosname -> ip-address (требование от метапоискового движка). 
+ 
+Из-за того, что библиотка разрабатывалась под задачу максимально быстрого резолвинга добавлены слои кеширования результатов 
+resoving-а, - возможности сбросить кеш для того, чтобы получить более свежие адреса для указанного host-а _нет_. 
diff --git a/library/cpp/dns/cache.cpp b/library/cpp/dns/cache.cpp
index 05c14e82fc..74c52ba493 100644
--- a/library/cpp/dns/cache.cpp
+++ b/library/cpp/dns/cache.cpp
@@ -1,103 +1,103 @@
-#include "cache.h"
+#include "cache.h" 
 
-#include "thread.h"
-
-#include <util/system/tls.h>
-#include <util/system/info.h>
-#include <util/system/rwlock.h>
+#include "thread.h" 
+ 
+#include <util/system/tls.h> 
+#include <util/system/info.h> 
+#include <util/system/rwlock.h> 
 #include <util/thread/singleton.h>
-#include <util/generic/singleton.h>
+#include <util/generic/singleton.h> 
 #include <util/generic/hash.h>
 
-using namespace NDns;
+using namespace NDns; 
 
 namespace {
-    struct TResolveTask {
-        enum EMethod {
+    struct TResolveTask { 
+        enum EMethod { 
             Normal,
             Threaded
-        };
+        }; 
 
-        inline TResolveTask(const TResolveInfo& info, EMethod method)
-            : Info(info)
-            , Method(method)
-        {
-        }
+        inline TResolveTask(const TResolveInfo& info, EMethod method) 
+            : Info(info) 
+            , Method(method) 
+        { 
+        } 
 
-        const TResolveInfo& Info;
-        const EMethod Method;
-    };
+        const TResolveInfo& Info; 
+        const EMethod Method; 
+    }; 
 
-    class IDns {
-    public:
+    class IDns { 
+    public: 
         virtual ~IDns() = default;
-        virtual const TResolvedHost* Resolve(const TResolveTask&) = 0;
-    };
-
+        virtual const TResolvedHost* Resolve(const TResolveTask&) = 0; 
+    }; 
+ 
     typedef TAtomicSharedPtr<TResolvedHost> TResolvedHostPtr;
 
-    struct THashResolveInfo {
-        inline size_t operator()(const TResolveInfo& ri) const {
+    struct THashResolveInfo { 
+        inline size_t operator()(const TResolveInfo& ri) const { 
             return ComputeHash(ri.Host) ^ ri.Port;
-        }
-    };
+        } 
+    }; 
 
-    struct TCompareResolveInfo {
-        inline bool operator()(const NDns::TResolveInfo& x, const NDns::TResolveInfo& y) const {
-            return x.Host == y.Host && x.Port == y.Port;
-        }
-    };
+    struct TCompareResolveInfo { 
+        inline bool operator()(const NDns::TResolveInfo& x, const NDns::TResolveInfo& y) const { 
+            return x.Host == y.Host && x.Port == y.Port; 
+        } 
+    }; 
 
-    class TGlobalCachedDns: public IDns, public TNonCopyable {
-    public:
+    class TGlobalCachedDns: public IDns, public TNonCopyable { 
+    public: 
         const TResolvedHost* Resolve(const TResolveTask& rt) override {
-            //2. search host in cache
-            {
-                TReadGuard guard(L_);
+            //2. search host in cache 
+            { 
+                TReadGuard guard(L_); 
 
-                TCache::const_iterator it = C_.find(rt.Info);
+                TCache::const_iterator it = C_.find(rt.Info); 
 
-                if (it != C_.end()) {
-                    return it->second.Get();
+                if (it != C_.end()) { 
+                    return it->second.Get(); 
                 }
             }
 
-            TResolvedHostPtr res = ResolveA(rt);
+            TResolvedHostPtr res = ResolveA(rt); 
 
-            //update cache
-            {
-                TWriteGuard guard(L_);
+            //update cache 
+            { 
+                TWriteGuard guard(L_); 
 
                 std::pair<TCache::iterator, bool> updateResult = C_.insert(std::make_pair(TResolveInfo(res->Host, rt.Info.Port), res));
                 TResolvedHost* rh = updateResult.first->second.Get();
 
-                if (updateResult.second) {
-                    //fresh resolved host, set cache record id for it
-                    rh->Id = C_.size() - 1;
-                }
+                if (updateResult.second) { 
+                    //fresh resolved host, set cache record id for it 
+                    rh->Id = C_.size() - 1; 
+                } 
 
-                return rh;
+                return rh; 
             }
-        }
+        } 
 
         void AddAlias(const TString& host, const TString& alias) noexcept {
-            TWriteGuard guard(LA_);
+            TWriteGuard guard(LA_); 
 
-            A_[host] = alias;
+            A_[host] = alias; 
         }
 
-        static inline TGlobalCachedDns* Instance() {
-            return SingletonWithPriority<TGlobalCachedDns, 65530>();
+        static inline TGlobalCachedDns* Instance() { 
+            return SingletonWithPriority<TGlobalCachedDns, 65530>(); 
         }
 
     private:
-        inline TResolvedHostPtr ResolveA(const TResolveTask& rt) {
+        inline TResolvedHostPtr ResolveA(const TResolveTask& rt) { 
             TString originalHost(rt.Info.Host);
             TString host(originalHost);
 
-            //3. replace host to alias, if exist
-            if (A_.size()) {
-                TReadGuard guard(LA_);
+            //3. replace host to alias, if exist 
+            if (A_.size()) { 
+                TReadGuard guard(LA_); 
                 TStringBuf names[] = {"*", host};
 
                 for (const auto& name : names) {
@@ -109,32 +109,32 @@ namespace {
                 }
             }
 
-            if (host.length() > 2 && host[0] == '[') {
+            if (host.length() > 2 && host[0] == '[') { 
                 TString unbracedIpV6(host.data() + 1, host.size() - 2);
-                host.swap(unbracedIpV6);
-            }
-
-            TAutoPtr<TNetworkAddress> na;
-
-            //4. getaddrinfo (direct or in separate thread)
-            if (rt.Method == TResolveTask::Normal) {
-                na.Reset(new TNetworkAddress(host, rt.Info.Port));
-            } else if (rt.Method == TResolveTask::Threaded) {
-                na = ThreadedResolve(host, rt.Info.Port);
-            } else {
+                host.swap(unbracedIpV6); 
+            } 
+ 
+            TAutoPtr<TNetworkAddress> na; 
+
+            //4. getaddrinfo (direct or in separate thread) 
+            if (rt.Method == TResolveTask::Normal) { 
+                na.Reset(new TNetworkAddress(host, rt.Info.Port)); 
+            } else if (rt.Method == TResolveTask::Threaded) { 
+                na = ThreadedResolve(host, rt.Info.Port); 
+            } else { 
                 Y_ASSERT(0);
                 throw yexception() << TStringBuf("invalid resolve method");
-            }
+            } 
 
-            return new TResolvedHost(originalHost, *na);
+            return new TResolvedHost(originalHost, *na); 
         }
 
         typedef THashMap<TResolveInfo, TResolvedHostPtr, THashResolveInfo, TCompareResolveInfo> TCache;
-        TCache C_;
-        TRWMutex L_;
+        TCache C_; 
+        TRWMutex L_; 
         typedef THashMap<TString, TString> TAliases;
-        TAliases A_;
-        TRWMutex LA_;
+        TAliases A_; 
+        TRWMutex LA_; 
     };
 
     class TCachedDns: public IDns {
@@ -145,18 +145,18 @@ namespace {
         }
 
         const TResolvedHost* Resolve(const TResolveTask& rt) override {
-            //1. search in local thread cache
+            //1. search in local thread cache 
             {
-                TCache::const_iterator it = C_.find(rt.Info);
+                TCache::const_iterator it = C_.find(rt.Info); 
 
                 if (it != C_.end()) {
                     return it->second;
                 }
             }
 
-            const TResolvedHost* res = S_->Resolve(rt);
+            const TResolvedHost* res = S_->Resolve(rt); 
 
-            C_[TResolveInfo(res->Host, rt.Info.Port)] = res;
+            C_[TResolveInfo(res->Host, rt.Info.Port)] = res; 
 
             return res;
         }
@@ -167,9 +167,9 @@ namespace {
         IDns* S_;
     };
 
-    struct TThreadedDns: public TCachedDns {
+    struct TThreadedDns: public TCachedDns { 
         inline TThreadedDns()
-            : TCachedDns(TGlobalCachedDns::Instance())
+            : TCachedDns(TGlobalCachedDns::Instance()) 
         {
         }
     };
@@ -179,20 +179,20 @@ namespace {
     }
 }
 
-namespace NDns {
-    const TResolvedHost* CachedResolve(const TResolveInfo& ri) {
-        TResolveTask rt(ri, TResolveTask::Normal);
-
-        return ThrDns()->Resolve(rt);
-    }
-
-    const TResolvedHost* CachedThrResolve(const TResolveInfo& ri) {
-        TResolveTask rt(ri, TResolveTask::Threaded);
-
-        return ThrDns()->Resolve(rt);
-    }
-
+namespace NDns { 
+    const TResolvedHost* CachedResolve(const TResolveInfo& ri) { 
+        TResolveTask rt(ri, TResolveTask::Normal); 
+ 
+        return ThrDns()->Resolve(rt); 
+    } 
+ 
+    const TResolvedHost* CachedThrResolve(const TResolveInfo& ri) { 
+        TResolveTask rt(ri, TResolveTask::Threaded); 
+ 
+        return ThrDns()->Resolve(rt); 
+    } 
+ 
     void AddHostAlias(const TString& host, const TString& alias) {
-        TGlobalCachedDns::Instance()->AddAlias(host, alias);
-    }
+        TGlobalCachedDns::Instance()->AddAlias(host, alias); 
+    } 
 }
diff --git a/library/cpp/dns/cache.h b/library/cpp/dns/cache.h
index eda5dc4070..a29379cb5e 100644
--- a/library/cpp/dns/cache.h
+++ b/library/cpp/dns/cache.h
@@ -4,7 +4,7 @@
 #include <util/generic/strbuf.h>
 #include <util/generic/string.h>
 
-namespace NDns {
+namespace NDns { 
     struct TResolveInfo {
         inline TResolveInfo(const TStringBuf& host, ui16 port)
             : Host(host)
@@ -18,28 +18,28 @@ namespace NDns {
 
     struct TResolvedHost {
         inline TResolvedHost(const TString& host, const TNetworkAddress& addr) noexcept
-            : Host(host)
-            , Addr(addr)
-            , Id(0)
+            : Host(host) 
+            , Addr(addr) 
+            , Id(0) 
         {
         }
 
         TString Host; //resolved hostname (from TResolveInfo, - before aliasing)
         TNetworkAddress Addr;
-        size_t Id; //cache record id
+        size_t Id; //cache record id 
     };
 
-    // Resolving order:
-    //   1. check local thread cache, return if found
-    //   2. check global cache, return if found
-    //   3. search alias for hostname, if found, continue resolving alias
-    //   4. normal resolver
-    const TResolvedHost* CachedResolve(const TResolveInfo& ri);
-
-    //like previous, but at stage 4 use separate thread for resolving (created on first usage)
-    //useful in green-threads with tiny stack
-    const TResolvedHost* CachedThrResolve(const TResolveInfo& ri);
-
-    //create alias for host, which can be used for static resolving (when alias is ip address)
+    // Resolving order: 
+    //   1. check local thread cache, return if found 
+    //   2. check global cache, return if found 
+    //   3. search alias for hostname, if found, continue resolving alias 
+    //   4. normal resolver 
+    const TResolvedHost* CachedResolve(const TResolveInfo& ri); 
+ 
+    //like previous, but at stage 4 use separate thread for resolving (created on first usage) 
+    //useful in green-threads with tiny stack 
+    const TResolvedHost* CachedThrResolve(const TResolveInfo& ri); 
+ 
+    //create alias for host, which can be used for static resolving (when alias is ip address) 
     void AddHostAlias(const TString& host, const TString& alias);
 }
diff --git a/library/cpp/dns/magic.cpp b/library/cpp/dns/magic.cpp
index b93792146f..12b21d4156 100644
--- a/library/cpp/dns/magic.cpp
+++ b/library/cpp/dns/magic.cpp
@@ -2,7 +2,7 @@
 
 #include <util/generic/yexception.h>
 
-using namespace NDns;
+using namespace NDns; 
 
 namespace {
     namespace NX {
@@ -21,7 +21,7 @@ namespace {
     }
 }
 
-IErrorRef NDns::SaveError() {
+IErrorRef NDns::SaveError() { 
     using namespace NX;
 
     return new NX::TError();
diff --git a/library/cpp/dns/magic.h b/library/cpp/dns/magic.h
index d52cde0a6c..64a98fc9cc 100644
--- a/library/cpp/dns/magic.h
+++ b/library/cpp/dns/magic.h
@@ -3,7 +3,7 @@
 #include <util/generic/yexception.h>
 #include <util/generic/ptr.h>
 
-namespace NDns {
+namespace NDns { 
     class IError {
     public:
         virtual ~IError() = default;
diff --git a/library/cpp/dns/thread.cpp b/library/cpp/dns/thread.cpp
index 8b27d2d527..d091b0f144 100644
--- a/library/cpp/dns/thread.cpp
+++ b/library/cpp/dns/thread.cpp
@@ -1,27 +1,27 @@
-#include "thread.h"
-
+#include "thread.h" 
+ 
 #include "magic.h"
 
-#include <util/network/socket.h>
+#include <util/network/socket.h> 
 #include <util/thread/factory.h>
-#include <util/thread/lfqueue.h>
-#include <util/system/event.h>
+#include <util/thread/lfqueue.h> 
+#include <util/system/event.h> 
 #include <util/generic/vector.h>
-#include <util/generic/singleton.h>
+#include <util/generic/singleton.h> 
 
-using namespace NDns;
+using namespace NDns; 
 
 namespace {
     class TThreadedResolver: public IThreadFactory::IThreadAble, public TNonCopyable {
         struct TResolveRequest {
             inline TResolveRequest(const TString& host, ui16 port)
-                : Host(host)
-                , Port(port)
+                : Host(host) 
+                , Port(port) 
             {
             }
 
-            inline TNetworkAddressPtr Wait() {
-                E.Wait();
+            inline TNetworkAddressPtr Wait() { 
+                E.Wait(); 
 
                 if (!Error) {
                     if (!Result) {
@@ -38,7 +38,7 @@ namespace {
 
             inline void Resolve() noexcept {
                 try {
-                    Result = new TNetworkAddress(Host, Port);
+                    Result = new TNetworkAddress(Host, Port); 
                 } catch (...) {
                     Error = SaveError();
                 }
@@ -47,20 +47,20 @@ namespace {
             }
 
             inline void Wake() noexcept {
-                E.Signal();
+                E.Signal(); 
             }
 
             TString Host;
-            ui16 Port;
+            ui16 Port; 
             TManualEvent E;
-            TNetworkAddressPtr Result;
+            TNetworkAddressPtr Result; 
             IErrorRef Error;
         };
 
     public:
-        inline TThreadedResolver()
+        inline TThreadedResolver() 
             : E_(TSystemEvent::rAuto)
-        {
+        { 
             T_.push_back(SystemThreadFactory()->Run(this));
         }
 
@@ -87,7 +87,7 @@ namespace {
         }
 
         inline TNetworkAddressPtr Resolve(const TString& host, ui16 port) {
-            TResolveRequest rr(host, port);
+            TResolveRequest rr(host, port); 
 
             Schedule(&rr);
 
@@ -124,10 +124,10 @@ namespace {
         typedef TAutoPtr<IThreadFactory::IThread> IThreadRef;
         TVector<IThreadRef> T_;
     };
-}
+} 
 
-namespace NDns {
+namespace NDns { 
     TNetworkAddressPtr ThreadedResolve(const TString& host, ui16 port) {
-        return TThreadedResolver::Instance()->Resolve(host, port);
+        return TThreadedResolver::Instance()->Resolve(host, port); 
     }
 }
diff --git a/library/cpp/dns/thread.h b/library/cpp/dns/thread.h
index 06b41d78ce..16b63844ac 100644
--- a/library/cpp/dns/thread.h
+++ b/library/cpp/dns/thread.h
@@ -1,12 +1,12 @@
-#pragma once
-
-#include <util/network/socket.h>
-
+#pragma once 
+ 
+#include <util/network/socket.h> 
+ 
 #include <util/generic/string.h>
-#include <util/generic/ptr.h>
-
-namespace NDns {
-    typedef TAutoPtr<TNetworkAddress> TNetworkAddressPtr;
-
+#include <util/generic/ptr.h> 
+ 
+namespace NDns { 
+    typedef TAutoPtr<TNetworkAddress> TNetworkAddressPtr; 
+ 
     TNetworkAddressPtr ThreadedResolve(const TString& host, ui16 port);
-}
+} 
diff --git a/library/cpp/dns/ya.make b/library/cpp/dns/ya.make
index 0cd83332aa..7fb9372138 100644
--- a/library/cpp/dns/ya.make
+++ b/library/cpp/dns/ya.make
@@ -1,11 +1,11 @@
-LIBRARY()
-
-OWNER(and42)
-
-SRCS(
-    cache.cpp
-    thread.cpp
-    magic.cpp
-)
-
-END()
+LIBRARY() 
+ 
+OWNER(and42) 
+ 
+SRCS( 
+    cache.cpp 
+    thread.cpp 
+    magic.cpp 
+) 
+ 
+END() 
diff --git a/library/cpp/http/io/stream.cpp b/library/cpp/http/io/stream.cpp
index 6689be684f..13920e3776 100644
--- a/library/cpp/http/io/stream.cpp
+++ b/library/cpp/http/io/stream.cpp
@@ -384,7 +384,7 @@ private:
 
     bool HasContentLength_;
     ui64 ContentLength_;
-
+ 
     bool ContentEncoded_;
     bool Expect100Continue_;
 };
@@ -445,9 +445,9 @@ bool THttpInput::GetContentLength(ui64& value) const noexcept {
 }
 
 bool THttpInput::ContentEncoded() const noexcept {
-    return Impl_->ContentEncoded();
-}
-
+    return Impl_->ContentEncoded(); 
+} 
+ 
 bool THttpInput::HasContent() const noexcept {
     return Impl_->HasContent();
 }
diff --git a/library/cpp/http/server/http_ut.cpp b/library/cpp/http/server/http_ut.cpp
index cc62bb988e..b1532e5915 100644
--- a/library/cpp/http/server/http_ut.cpp
+++ b/library/cpp/http/server/http_ut.cpp
@@ -6,13 +6,13 @@
 
 #include <util/generic/cast.h>
 #include <util/stream/output.h>
-#include <util/stream/zlib.h>
+#include <util/stream/zlib.h> 
 #include <util/system/datetime.h>
 #include <util/system/sem.h>
 
 Y_UNIT_TEST_SUITE(THttpServerTest) {
     class TEchoServer: public THttpServer::ICallBack {
-        class TRequest: public THttpClientRequestEx {
+        class TRequest: public THttpClientRequestEx { 
         public:
             inline TRequest(TEchoServer* parent)
                 : Parent_(parent)
@@ -31,7 +31,7 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
                     Output() << Parent_->Res_;
                 }
                 Output().Finish();
-
+ 
                 return true;
             }
 
@@ -138,13 +138,13 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
 
     static const TString CrLf = "\r\n";
 
-    struct TTestRequest {
+    struct TTestRequest { 
         TTestRequest(ui16 port, TString content = TString())
-            : Port(port)
+            : Port(port) 
             , Content(std::move(content))
-        {
-        }
-
+        { 
+        } 
+ 
         void CheckContinue(TSocketInput& si) {
             if (Expect100Continue) {
                 TStringStream ss;
@@ -164,43 +164,43 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
 
         TString Execute() {
             TSocket* s = nullptr;
-            THolder<TSocket> singleReqSocket;
-            if (KeepAliveConnection) {
+            THolder<TSocket> singleReqSocket; 
+            if (KeepAliveConnection) { 
                 if (!KeepAlivedSocket) {
                     KeepAlivedSocket = MakeHolder<TSocket>(TNetworkAddress("localhost", Port), TDuration::Seconds(10));
                 }
                 s = KeepAlivedSocket.Get();
-            } else {
-                TNetworkAddress addr("localhost", Port);
-                singleReqSocket.Reset(new TSocket(addr, TDuration::Seconds(10)));
-                s = singleReqSocket.Get();
-            }
-            bool isPost = Type == "POST";
+            } else { 
+                TNetworkAddress addr("localhost", Port); 
+                singleReqSocket.Reset(new TSocket(addr, TDuration::Seconds(10))); 
+                s = singleReqSocket.Get(); 
+            } 
+            bool isPost = Type == "POST"; 
             TSocketInput si(*s);
-
-            if (UseHttpOutput) {
-                TSocketOutput so(*s);
-                THttpOutput output(&so);
-
-                output.EnableKeepAlive(KeepAliveConnection);
-                output.EnableCompression(EnableResponseEncoding);
-
-                TStringStream r;
-                r << Type << " / HTTP/1.1" << CrLf;
-                r << "Host: localhost:" + ToString(Port) << CrLf;
-                if (isPost) {
+ 
+            if (UseHttpOutput) { 
+                TSocketOutput so(*s); 
+                THttpOutput output(&so); 
+ 
+                output.EnableKeepAlive(KeepAliveConnection); 
+                output.EnableCompression(EnableResponseEncoding); 
+ 
+                TStringStream r; 
+                r << Type << " / HTTP/1.1" << CrLf; 
+                r << "Host: localhost:" + ToString(Port) << CrLf; 
+                if (isPost) { 
                     if (ContentEncoding.size()) {
-                        r << "Content-Encoding: " << ContentEncoding << CrLf;
-                    } else {
-                        r << "Transfer-Encoding: chunked" << CrLf;
-                    }
+                        r << "Content-Encoding: " << ContentEncoding << CrLf; 
+                    } else { 
+                        r << "Transfer-Encoding: chunked" << CrLf; 
+                    } 
                     if (Expect100Continue) {
                         r << "Expect: 100-continue" << CrLf;
                     }
-                }
-
-                r << CrLf;
-                if (isPost) {
+                } 
+ 
+                r << CrLf; 
+                if (isPost) { 
                     output.Write(r.Str());
                     output.Flush();
                     CheckContinue(si);
@@ -209,74 +209,74 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
                 } else {
                     output.Write(r.Str());
                     output.Finish();
-                }
-            } else {
-                TStringStream r;
-                r << Type << " / HTTP/1.1" << CrLf;
-                r << "Host: localhost:" + ToString(Port) << CrLf;
-                if (KeepAliveConnection) {
-                    r << "Connection: Keep-Alive" << CrLf;
-                } else {
-                    r << "Connection: Close" << CrLf;
-                }
-                if (EnableResponseEncoding) {
-                    r << "Accept-Encoding: gzip, deflate, x-gzip, x-deflate, y-lzo, y-lzf, y-lzq, y-bzip2, y-lzma" << CrLf;
-                }
+                } 
+            } else { 
+                TStringStream r; 
+                r << Type << " / HTTP/1.1" << CrLf; 
+                r << "Host: localhost:" + ToString(Port) << CrLf; 
+                if (KeepAliveConnection) { 
+                    r << "Connection: Keep-Alive" << CrLf; 
+                } else { 
+                    r << "Connection: Close" << CrLf; 
+                } 
+                if (EnableResponseEncoding) { 
+                    r << "Accept-Encoding: gzip, deflate, x-gzip, x-deflate, y-lzo, y-lzf, y-lzq, y-bzip2, y-lzma" << CrLf; 
+                } 
                 if (isPost && Expect100Continue) {
                     r << "Expect: 100-continue" << CrLf;
                 }
                 if (isPost && ContentEncoding.size() && Content.size()) {
-                    r << "Content-Encoding: " << ContentEncoding << CrLf;
-                    TStringStream compressedContent;
-                    {
-                        TZLibCompress zlib(&compressedContent);
+                    r << "Content-Encoding: " << ContentEncoding << CrLf; 
+                    TStringStream compressedContent; 
+                    { 
+                        TZLibCompress zlib(&compressedContent); 
                         zlib.Write(Content.data(), Content.size());
-                        zlib.Flush();
-                        zlib.Finish();
-                    }
+                        zlib.Flush(); 
+                        zlib.Finish(); 
+                    } 
                     r << "Content-Length: " << compressedContent.Size() << CrLf;
-                    r << CrLf;
+                    r << CrLf; 
                     s->Send(r.Data(), r.Size());
                     CheckContinue(si);
                     Hdr = r.Str();
                     TString tosend = compressedContent.Str();
                     s->Send(tosend.data(), tosend.size());
-                } else {
-                    if (isPost) {
+                } else { 
+                    if (isPost) { 
                         r << "Content-Length: " << Content.size() << CrLf;
-                        r << CrLf;
+                        r << CrLf; 
                         s->Send(r.Data(), r.Size());
                         CheckContinue(si);
                         Hdr = r.Str();
                         s->Send(Content.data(), Content.size());
-                    } else {
-                        r << CrLf;
+                    } else { 
+                        r << CrLf; 
                         Hdr = r.Str();
                         s->Send(r.Data(), r.Size());
-                    }
-                }
-            }
-
-            THttpInput input(&si);
-            TStringStream ss;
-            TransferData(&input, &ss);
-
+                    } 
+                } 
+            } 
+ 
+            THttpInput input(&si); 
+            TStringStream ss; 
+            TransferData(&input, &ss); 
+ 
             return ss.Str();
-        }
-
+        } 
+ 
         TString GetDescription() const {
-            if (UseHttpOutput) {
-                TStringStream ss;
-                ss << (KeepAliveConnection ? "keep-alive " : "") << Type;
+            if (UseHttpOutput) { 
+                TStringStream ss; 
+                ss << (KeepAliveConnection ? "keep-alive " : "") << Type; 
                 if (ContentEncoding.size()) {
                     ss << " with encoding=" << ContentEncoding;
-                }
+                } 
                 return ss.Str();
-            } else {
-                return Hdr;
-            }
-        }
-
+            } else { 
+                return Hdr; 
+            } 
+        } 
+ 
         ui16 Port = 0;
         bool UseHttpOutput = true;
         TString Type = "GET";
@@ -287,8 +287,8 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
         bool EnableResponseEncoding = false;
         TString Hdr;
         bool Expect100Continue = false;
-    };
-
+    }; 
+ 
     class TFailingMtpQueue: public TSimpleThreadPool {
     private:
         bool FailOnAdd_ = false;
@@ -324,7 +324,7 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
         TString res = TestData();
         TPortManager pm;
         const ui16 port = pm.GetPort();
-        const bool trueFalse[] = {true, false};
+        const bool trueFalse[] = {true, false}; 
 
         TEchoServer serverImpl(res);
         THttpServer server(&serverImpl, THttpServer::TOptions(port).EnableKeepAlive(true).EnableCompression(true));
@@ -332,36 +332,36 @@ Y_UNIT_TEST_SUITE(THttpServerTest) {
         for (int i = 0; i < 2; ++i) {
             UNIT_ASSERT(server.Start());
 
-            TTestRequest r(port);
-            r.Content = res;
+            TTestRequest r(port); 
+            r.Content = res; 
 
             for (bool keepAlive : trueFalse) {
-                r.KeepAliveConnection = keepAlive;
+                r.KeepAliveConnection = keepAlive; 
 
                 // THttpOutput use chunked stream, else use Content-Length
                 for (bool useHttpOutput : trueFalse) {
-                    r.UseHttpOutput = useHttpOutput;
+                    r.UseHttpOutput = useHttpOutput; 
 
                     for (bool enableResponseEncoding : trueFalse) {
-                        r.EnableResponseEncoding = enableResponseEncoding;
+                        r.EnableResponseEncoding = enableResponseEncoding; 
 
                         const TString reqTypes[] = {"GET", "POST"};
                         for (const TString& reqType : reqTypes) {
-                            r.Type = reqType;
+                            r.Type = reqType; 
 
                             const TString encoders[] = {"", "deflate"};
                             for (const TString& encoder : encoders) {
-                                r.ContentEncoding = encoder;
+                                r.ContentEncoding = encoder; 
 
                                 for (bool expect100Continue : trueFalse) {
                                     r.Expect100Continue = expect100Continue;
                                     TString resp = r.Execute();
                                     UNIT_ASSERT_C(resp == res, "diff echo response for request:\n" + r.GetDescription());
                                 }
-                            }
-                        }
-                    }
-                }
+                            } 
+                        } 
+                    } 
+                } 
             }
 
             server.Stop();
diff --git a/library/cpp/logger/element.h b/library/cpp/logger/element.h
index fc9bff851f..412c6cfb23 100644
--- a/library/cpp/logger/element.h
+++ b/library/cpp/logger/element.h
@@ -38,7 +38,7 @@ public:
     ELogPriority Priority() const noexcept {
         return Priority_;
     }
-
+ 
 protected:
     void DoFlush() override;
 
diff --git a/util/network/endpoint.cpp b/util/network/endpoint.cpp
index 9acdd06940..80dc18d63e 100644
--- a/util/network/endpoint.cpp
+++ b/util/network/endpoint.cpp
@@ -1,67 +1,67 @@
-#include "endpoint.h"
+#include "endpoint.h" 
 #include "sock.h"
-
-TEndpoint::TEndpoint(const TEndpoint::TAddrRef& addr)
-    : Addr_(addr)
-{
-    const sockaddr* sa = Addr_->Addr();
-
+ 
+TEndpoint::TEndpoint(const TEndpoint::TAddrRef& addr) 
+    : Addr_(addr) 
+{ 
+    const sockaddr* sa = Addr_->Addr(); 
+ 
     if (sa->sa_family != AF_INET && sa->sa_family != AF_INET6 && sa->sa_family != AF_UNIX) {
         ythrow yexception() << TStringBuf("endpoint can contain only ipv4, ipv6 or unix address");
-    }
-}
-
-TEndpoint::TEndpoint()
-    : Addr_(new NAddr::TIPv4Addr(TIpAddress(TIpHost(0), TIpPort(0))))
-{
-}
-
-void TEndpoint::SetPort(ui16 port) {
+    } 
+} 
+ 
+TEndpoint::TEndpoint() 
+    : Addr_(new NAddr::TIPv4Addr(TIpAddress(TIpHost(0), TIpPort(0)))) 
+{ 
+} 
+ 
+void TEndpoint::SetPort(ui16 port) { 
     if (Port() == port || Addr_->Addr()->sa_family == AF_UNIX) {
-        return;
-    }
-
-    NAddr::TOpaqueAddr* oa = new NAddr::TOpaqueAddr(Addr_.Get());
-    Addr_.Reset(oa);
-    sockaddr* sa = oa->MutableAddr();
-
-    if (sa->sa_family == AF_INET) {
-        ((sockaddr_in*)sa)->sin_port = HostToInet(port);
-    } else {
-        ((sockaddr_in6*)sa)->sin6_port = HostToInet(port);
-    }
-}
-
+        return; 
+    } 
+ 
+    NAddr::TOpaqueAddr* oa = new NAddr::TOpaqueAddr(Addr_.Get()); 
+    Addr_.Reset(oa); 
+    sockaddr* sa = oa->MutableAddr(); 
+ 
+    if (sa->sa_family == AF_INET) { 
+        ((sockaddr_in*)sa)->sin_port = HostToInet(port); 
+    } else { 
+        ((sockaddr_in6*)sa)->sin6_port = HostToInet(port); 
+    } 
+} 
+ 
 ui16 TEndpoint::Port() const noexcept {
     if (Addr_->Addr()->sa_family == AF_UNIX) {
         return 0;
     }
 
-    const sockaddr* sa = Addr_->Addr();
-
-    if (sa->sa_family == AF_INET) {
-        return InetToHost(((const sockaddr_in*)sa)->sin_port);
-    } else {
-        return InetToHost(((const sockaddr_in6*)sa)->sin6_port);
-    }
-}
-
-size_t TEndpoint::Hash() const {
-    const sockaddr* sa = Addr_->Addr();
-
-    if (sa->sa_family == AF_INET) {
-        const sockaddr_in* sa4 = (const sockaddr_in*)sa;
-
-        return IntHash((((ui64)sa4->sin_addr.s_addr) << 16) ^ sa4->sin_port);
+    const sockaddr* sa = Addr_->Addr(); 
+ 
+    if (sa->sa_family == AF_INET) { 
+        return InetToHost(((const sockaddr_in*)sa)->sin_port); 
+    } else { 
+        return InetToHost(((const sockaddr_in6*)sa)->sin6_port); 
+    } 
+} 
+ 
+size_t TEndpoint::Hash() const { 
+    const sockaddr* sa = Addr_->Addr(); 
+ 
+    if (sa->sa_family == AF_INET) { 
+        const sockaddr_in* sa4 = (const sockaddr_in*)sa; 
+ 
+        return IntHash((((ui64)sa4->sin_addr.s_addr) << 16) ^ sa4->sin_port); 
     } else if (sa->sa_family == AF_INET6) {
-        const sockaddr_in6* sa6 = (const sockaddr_in6*)sa;
-        const ui64* ptr = (const ui64*)&sa6->sin6_addr;
-
-        return IntHash(ptr[0] ^ ptr[1] ^ sa6->sin6_port);
+        const sockaddr_in6* sa6 = (const sockaddr_in6*)sa; 
+        const ui64* ptr = (const ui64*)&sa6->sin6_addr; 
+ 
+        return IntHash(ptr[0] ^ ptr[1] ^ sa6->sin6_port); 
     } else {
         const sockaddr_un* un = (const sockaddr_un*)sa;
         THash<TString> strHash;
 
         return strHash(un->sun_path);
-    }
-}
+    } 
+} 
diff --git a/util/network/endpoint.h b/util/network/endpoint.h
index a3e59b4925..fd98d331af 100644
--- a/util/network/endpoint.h
+++ b/util/network/endpoint.h
@@ -1,61 +1,61 @@
-#pragma once
-
-#include "address.h"
-
-#include <util/str_stl.h>
-
-//some equivalent boost::asio::ip::endpoint (easy for using pair ip:port)
-class TEndpoint {
-public:
+#pragma once 
+ 
+#include "address.h" 
+ 
+#include <util/str_stl.h> 
+ 
+//some equivalent boost::asio::ip::endpoint (easy for using pair ip:port) 
+class TEndpoint { 
+public: 
     using TAddrRef = NAddr::IRemoteAddrRef;
-
-    TEndpoint(const TAddrRef& addr);
-    TEndpoint();
-
+ 
+    TEndpoint(const TAddrRef& addr); 
+    TEndpoint(); 
+ 
     inline const TAddrRef& Addr() const noexcept {
-        return Addr_;
-    }
-    inline const sockaddr* SockAddr() const {
-        return Addr_->Addr();
-    }
-    inline socklen_t SockAddrLen() const {
-        return Addr_->Len();
-    }
-
-    inline bool IsIpV4() const {
-        return Addr_->Addr()->sa_family == AF_INET;
-    }
-    inline bool IsIpV6() const {
-        return Addr_->Addr()->sa_family == AF_INET6;
-    }
+        return Addr_; 
+    } 
+    inline const sockaddr* SockAddr() const { 
+        return Addr_->Addr(); 
+    } 
+    inline socklen_t SockAddrLen() const { 
+        return Addr_->Len(); 
+    } 
+ 
+    inline bool IsIpV4() const { 
+        return Addr_->Addr()->sa_family == AF_INET; 
+    } 
+    inline bool IsIpV6() const { 
+        return Addr_->Addr()->sa_family == AF_INET6; 
+    } 
     inline bool IsUnix() const {
         return Addr_->Addr()->sa_family == AF_UNIX;
     }
-
+ 
     inline TString IpToString() const {
-        return NAddr::PrintHost(*Addr_);
-    }
-
-    void SetPort(ui16 port);
+        return NAddr::PrintHost(*Addr_); 
+    } 
+ 
+    void SetPort(ui16 port); 
     ui16 Port() const noexcept;
-
-    size_t Hash() const;
-
-private:
-    TAddrRef Addr_;
-};
-
+ 
+    size_t Hash() const; 
+ 
+private: 
+    TAddrRef Addr_; 
+}; 
+ 
 template <>
-struct THash<TEndpoint> {
+struct THash<TEndpoint> { 
     inline size_t operator()(const TEndpoint& ep) const {
-        return ep.Hash();
-    }
-};
-
+        return ep.Hash(); 
+    } 
+}; 
+ 
 inline bool operator==(const TEndpoint& l, const TEndpoint& r) {
-    try {
+    try { 
         return NAddr::IsSame(*l.Addr(), *r.Addr()) && l.Port() == r.Port();
-    } catch (...) {
-        return false;
-    }
-}
+    } catch (...) { 
+        return false; 
+    } 
+} 
diff --git a/util/network/endpoint_ut.cpp b/util/network/endpoint_ut.cpp
index d5e40dd6e1..30becbfe77 100644
--- a/util/network/endpoint_ut.cpp
+++ b/util/network/endpoint_ut.cpp
@@ -1,25 +1,25 @@
-#include "endpoint.h"
-
+#include "endpoint.h" 
+ 
 #include <library/cpp/testing/unittest/registar.h>
-
-#include <util/generic/hash_set.h>
-#include <util/generic/strbuf.h>
-
+ 
+#include <util/generic/hash_set.h> 
+#include <util/generic/strbuf.h> 
+ 
 Y_UNIT_TEST_SUITE(TEndpointTest) {
     Y_UNIT_TEST(TestSimple) {
         TVector<TNetworkAddress> addrs;
 
-        TEndpoint ep0;
-
-        UNIT_ASSERT(ep0.IsIpV4());
-        UNIT_ASSERT_VALUES_EQUAL(0, ep0.Port());
-        UNIT_ASSERT_VALUES_EQUAL("0.0.0.0", ep0.IpToString());
-
+        TEndpoint ep0; 
+ 
+        UNIT_ASSERT(ep0.IsIpV4()); 
+        UNIT_ASSERT_VALUES_EQUAL(0, ep0.Port()); 
+        UNIT_ASSERT_VALUES_EQUAL("0.0.0.0", ep0.IpToString()); 
+ 
         TEndpoint ep1;
-
+ 
         try {
             TNetworkAddress na1("25.26.27.28", 24242);
-
+ 
             addrs.push_back(na1);
 
             ep1 = TEndpoint(new NAddr::TAddrInfo(&*na1.Begin()));
@@ -35,56 +35,56 @@ Y_UNIT_TEST_SUITE(TEndpointTest) {
             ep1 = TEndpoint(new NAddr::TAddrInfo(&*n.Begin()));
         }
 
-        ep0.SetPort(12345);
-
-        TEndpoint ep2(ep0);
-
-        ep0.SetPort(0);
-
-        UNIT_ASSERT_VALUES_EQUAL(12345, ep2.Port());
-
-        TEndpoint ep2_;
-
-        ep2_.SetPort(12345);
-
-        UNIT_ASSERT(ep2 == ep2_);
-
-        TNetworkAddress na3("2a02:6b8:0:1410::5f6c:f3c2", 54321);
-        TEndpoint ep3(new NAddr::TAddrInfo(&*na3.Begin()));
-
-        UNIT_ASSERT(ep3.IsIpV6());
+        ep0.SetPort(12345); 
+ 
+        TEndpoint ep2(ep0); 
+ 
+        ep0.SetPort(0); 
+ 
+        UNIT_ASSERT_VALUES_EQUAL(12345, ep2.Port()); 
+ 
+        TEndpoint ep2_; 
+ 
+        ep2_.SetPort(12345); 
+ 
+        UNIT_ASSERT(ep2 == ep2_); 
+ 
+        TNetworkAddress na3("2a02:6b8:0:1410::5f6c:f3c2", 54321); 
+        TEndpoint ep3(new NAddr::TAddrInfo(&*na3.Begin())); 
+ 
+        UNIT_ASSERT(ep3.IsIpV6()); 
         UNIT_ASSERT(ep3.IpToString().StartsWith(TStringBuf("2a02:6b8:0:1410:")));
         UNIT_ASSERT(ep3.IpToString().EndsWith(TStringBuf(":5f6c:f3c2")));
-        UNIT_ASSERT_VALUES_EQUAL(54321, ep3.Port());
-
-        TNetworkAddress na4("2a02:6b8:0:1410:0::5f6c:f3c2", 1);
-        TEndpoint ep4(new NAddr::TAddrInfo(&*na4.Begin()));
-
-        TEndpoint ep3_ = ep4;
-
-        ep3_.SetPort(54321);
-
+        UNIT_ASSERT_VALUES_EQUAL(54321, ep3.Port()); 
+ 
+        TNetworkAddress na4("2a02:6b8:0:1410:0::5f6c:f3c2", 1); 
+        TEndpoint ep4(new NAddr::TAddrInfo(&*na4.Begin())); 
+ 
+        TEndpoint ep3_ = ep4; 
+ 
+        ep3_.SetPort(54321); 
+ 
         THashSet<TEndpoint> he;
-
-        he.insert(ep0);
-        he.insert(ep1);
-        he.insert(ep2);
-
+ 
+        he.insert(ep0); 
+        he.insert(ep1); 
+        he.insert(ep2); 
+ 
         UNIT_ASSERT_VALUES_EQUAL(3u, he.size());
-
-        he.insert(ep2_);
-
+ 
+        he.insert(ep2_); 
+ 
         UNIT_ASSERT_VALUES_EQUAL(3u, he.size());
-
-        he.insert(ep3);
-        he.insert(ep3_);
-
+ 
+        he.insert(ep3); 
+        he.insert(ep3_); 
+ 
         UNIT_ASSERT_VALUES_EQUAL(4u, he.size());
-
-        he.insert(ep4);
-
+ 
+        he.insert(ep4); 
+ 
         UNIT_ASSERT_VALUES_EQUAL(5u, he.size());
-    }
+    } 
 
     Y_UNIT_TEST(TestEqual) {
         const TString ip1 = "2a02:6b8:0:1410::5f6c:f3c2";
@@ -120,4 +120,4 @@ Y_UNIT_TEST_SUITE(TEndpointTest) {
         UNIT_ASSERT(!ep2.IsUnix());
         UNIT_ASSERT(ep2.SockAddr()->sa_family != AF_UNIX);
     }
-}
+} 
diff --git a/util/system/atexit.cpp b/util/system/atexit.cpp
index 74fb10b6b1..25dc673b5f 100644
--- a/util/system/atexit.cpp
+++ b/util/system/atexit.cpp
@@ -45,15 +45,15 @@ namespace {
                 Y_ASSERT(c);
 
                 Items_.pop();
-
+ 
                 {
                     auto unguard = Unguard(guard);
-
+ 
                     try {
-                        c->Func(c->Ctx);
+                        c->Func(c->Ctx); 
                     } catch (...) {
                         // ¯\_(ツ)_/¯
-                    }
+                    } 
                 }
             }
         }
diff --git a/util/system/event.cpp b/util/system/event.cpp
index 79b3cdb291..9771e44a89 100644
--- a/util/system/event.cpp
+++ b/util/system/event.cpp
@@ -3,7 +3,7 @@
 
 #include <cstdio>
 
-#include "atomic.h"
+#include "atomic.h" 
 #include "event.h"
 #include "mutex.h"
 #include "condvar.h"
@@ -47,17 +47,17 @@ public:
     }
 #else
     inline TEvImpl(ResetMode rmode)
-        : Manual(rmode == rManual ? true : false)
+        : Manual(rmode == rManual ? true : false) 
     {
     }
 
     inline void Signal() noexcept {
-        if (Manual && AtomicGet(Signaled)) {
+        if (Manual && AtomicGet(Signaled)) { 
             return; // shortcut
         }
 
         with_lock (Mutex) {
-            AtomicSet(Signaled, 1);
+            AtomicSet(Signaled, 1); 
         }
 
         if (Manual) {
@@ -68,27 +68,27 @@ public:
     }
 
     inline void Reset() noexcept {
-        AtomicSet(Signaled, 0);
+        AtomicSet(Signaled, 0); 
     }
 
     inline bool WaitD(TInstant deadLine) noexcept {
-        if (Manual && AtomicGet(Signaled)) {
+        if (Manual && AtomicGet(Signaled)) { 
             return true; // shortcut
         }
 
         bool resSignaled = true;
 
         with_lock (Mutex) {
-            while (!AtomicGet(Signaled)) {
+            while (!AtomicGet(Signaled)) { 
                 if (!Cond.WaitD(Mutex, deadLine)) {
-                    resSignaled = AtomicGet(Signaled); // timed out, but Signaled could have been set
+                    resSignaled = AtomicGet(Signaled); // timed out, but Signaled could have been set 
 
                     break;
                 }
             }
 
             if (!Manual) {
-                AtomicSet(Signaled, 0);
+                AtomicSet(Signaled, 0); 
             }
         }
 
@@ -102,7 +102,7 @@ private:
 #else
     TCondVar Cond;
     TMutex Mutex;
-    TAtomic Signaled = 0;
+    TAtomic Signaled = 0; 
     bool Manual;
 #endif
 };
diff --git a/util/system/event_ut.cpp b/util/system/event_ut.cpp
index 2506cb7a91..d6f14c04cb 100644
--- a/util/system/event_ut.cpp
+++ b/util/system/event_ut.cpp
@@ -96,22 +96,22 @@ Y_UNIT_TEST_SUITE(EventTest) {
     }
 
     Y_UNIT_TEST(ConcurrentSignalAndWaitTest) {
-        // test for problem detected by thread-sanitizer (signal/wait race) SEARCH-2113
-        const size_t limit = 200;
-        TManualEvent event[limit];
+        // test for problem detected by thread-sanitizer (signal/wait race) SEARCH-2113 
+        const size_t limit = 200; 
+        TManualEvent event[limit]; 
         TThreadPool queue;
-        queue.Start(limit);
+        queue.Start(limit); 
         TVector<THolder<IObjectInQueue>> tasks;
-        for (size_t i = 0; i < limit; ++i) {
+        for (size_t i = 0; i < limit; ++i) { 
             tasks.emplace_back(MakeHolder<TSignalTask>(event[i]));
-            UNIT_ASSERT(queue.Add(tasks.back().Get()));
-        }
-        for (size_t i = limit; i != 0; --i) {
-            UNIT_ASSERT(event[i - 1].WaitT(TDuration::Seconds(90)));
-        }
-        queue.Stop();
-    }
-
+            UNIT_ASSERT(queue.Add(tasks.back().Get())); 
+        } 
+        for (size_t i = limit; i != 0; --i) { 
+            UNIT_ASSERT(event[i - 1].WaitT(TDuration::Seconds(90))); 
+        } 
+        queue.Stop(); 
+    } 
+ 
     /** Test for a problem: http://nga.at.yandex-team.ru/5772 */
     Y_UNIT_TEST(DestructorBeforeSignalFinishTest) {
         return;