workflows/ci: add clang-format job

22 files changed, 623 insertions, 774 deletions

diff --git a/um/service/include/service/device.hpp b/um/service/include/service/device.hpp
index ee46354..29d03c1 100644
--- a/um/service/include/service/device.hpp
+++ b/um/service/include/service/device.hpp
@@ -11,71 +11,64 @@
 #include <Windows.h>
 
 #include <cstddef>
-
 #include <string>
 #include <utility>
 
-namespace service
-{
-    class Device
-    {
-    public:
-        typedef DWORD Code;
+namespace service {
 
-        static Device open(const std::string& path);
+class Device {
+public:
+    typedef DWORD Code;
 
-        Device(Device&& other) LIBSERVICE_NOEXCEPT
-        {
-            swap(other);
-        }
+    static Device open(const std::string& path);
 
-        Device& operator=(Device other) LIBSERVICE_NOEXCEPT
-        {
-            swap(other);
-            return *this;
-        }
+    Device(Device&& other) LIBSERVICE_NOEXCEPT {
+        swap(other);
+    }
 
-        void swap(Device& other) LIBSERVICE_NOEXCEPT
-        {
-            using std::swap;
-            swap(handle, other.handle);
-        }
+    Device& operator=(Device other) LIBSERVICE_NOEXCEPT {
+        swap(other);
+        return *this;
+    }
 
-        std::size_t get_required_output_size(
-            Code code,
-            const void* in_buf,
-            std::size_t in_buf_size) const;
+    void swap(Device& other) LIBSERVICE_NOEXCEPT {
+        using std::swap;
+        swap(handle, other.handle);
+    }
 
-        std::size_t send_control_code(
-            Code code,
-            const void* in_buf,
-            std::size_t in_buf_size,
-            void* out_buf,
-            std::size_t out_buf_size) const;
+    std::size_t get_required_output_size(
+        Code code,
+        const void* in_buf,
+        std::size_t in_buf_size
+    ) const;
 
-    private:
-        Device(Handle handle)
-            : handle(std::move(handle))
-        { }
+    std::size_t send_control_code(
+        Code code,
+        const void* in_buf,
+        std::size_t in_buf_size,
+        void* out_buf,
+        std::size_t out_buf_size
+    ) const;
 
-        Handle handle;
+private:
+    Device(Handle handle) : handle(std::move(handle)) {}
 
-        Device(const Device&) = delete;
-    };
+    Handle handle;
 
-    inline void swap(Device& a, Device& b) LIBSERVICE_NOEXCEPT
-    {
-        a.swap(b);
-    }
+    Device(const Device&) = delete;
+};
+
+inline void swap(Device& a, Device& b) LIBSERVICE_NOEXCEPT {
+    a.swap(b);
 }
 
-namespace std
-{
-    template <>
-    inline void swap(
-        service::Device& a,
-        service::Device& b) LIBSERVICE_NOEXCEPT
-    {
-        a.swap(b);
-    }
+} // namespace service
+
+namespace std {
+
+template <>
+inline void swap(service::Device& a, service::Device& b) LIBSERVICE_NOEXCEPT {
+    a.swap(b);
 }
+
+} // namespace std
diff --git a/um/service/include/service/handle.hpp b/um/service/include/service/handle.hpp
index 2ca3754..ef4c152 100644
--- a/um/service/include/service/handle.hpp
+++ b/um/service/include/service/handle.hpp
@@ -13,71 +13,59 @@
 #include <type_traits>
 #include <utility>
 
-namespace service
-{
-    class Handle
-    {
-    public:
-        Handle() = default;
+namespace service {
 
-        Handle(HANDLE raw)
-            : impl(raw)
-        { }
+class Handle {
+public:
+    Handle() = default;
 
-        Handle(Handle&& other) LIBSERVICE_NOEXCEPT
-        {
-            swap(other);
-        }
-
-        Handle& operator=(Handle other) LIBSERVICE_NOEXCEPT
-        {
-            swap(other);
-            return *this;
-        }
+    Handle(HANDLE raw) : impl(raw) {}
 
-        operator bool() const
-        {
-            return static_cast<bool>(impl);
-        }
+    Handle(Handle&& other) LIBSERVICE_NOEXCEPT {
+        swap(other);
+    }
 
-        operator HANDLE() const
-        {
-            return impl.get();
-        }
+    Handle& operator=(Handle other) LIBSERVICE_NOEXCEPT {
+        swap(other);
+        return *this;
+    }
 
-        void swap(Handle& other) LIBSERVICE_NOEXCEPT
-        {
-            using std::swap;
-            swap(impl, other.impl);
-        }
+    operator bool() const {
+        return static_cast<bool>(impl);
+    }
 
-    private:
-        struct Deleter
-        {
-            void operator()(HANDLE raw)
-            {
-                CloseHandle(raw);
-            }
-        };
+    operator HANDLE() const {
+        return impl.get();
+    }
 
-        std::unique_ptr<std::remove_pointer<HANDLE>::type, Deleter> impl;
+    void swap(Handle& other) LIBSERVICE_NOEXCEPT {
+        using std::swap;
+        swap(impl, other.impl);
+    }
 
-        Handle(const Handle&) = delete;
+private:
+    struct Deleter {
+        void operator()(HANDLE raw) {
+            CloseHandle(raw);
+        }
     };
 
-    inline void swap(Handle& a, Handle& b) LIBSERVICE_NOEXCEPT
-    {
-        a.swap(b);
-    }
+    std::unique_ptr<std::remove_pointer<HANDLE>::type, Deleter> impl;
+
+    Handle(const Handle&) = delete;
+};
+
+inline void swap(Handle& a, Handle& b) LIBSERVICE_NOEXCEPT {
+    a.swap(b);
 }
 
-namespace std
-{
-    template <>
-    inline void swap(
-        service::Handle& a,
-        service::Handle& b) LIBSERVICE_NOEXCEPT
-    {
-        a.swap(b);
-    }
+} // namespace service
+
+namespace std {
+
+template <>
+inline void swap(service::Handle& a, service::Handle& b) LIBSERVICE_NOEXCEPT {
+    a.swap(b);
 }
+
+} // namespace std
diff --git a/um/service/include/service/service.hpp b/um/service/include/service/service.hpp
index 2d5f776..58f2fa4 100644
--- a/um/service/include/service/service.hpp
+++ b/um/service/include/service/service.hpp
@@ -12,68 +12,57 @@
 #include <string>
 #include <utility>
 
-namespace service
-{
-    class Service
-    {
-    public:
-        static bool exists(
-            const ServiceManager&,
-            const std::string& name);
+namespace service {
 
-        static Service open(
-            const ServiceManager&,
-            const std::string& name);
+class Service {
+public:
+    static bool exists(const ServiceManager&, const std::string& name);
 
-        static Service install(
-            const ServiceManager&,
-            const std::string& name,
-            const std::string& bin_path);
+    static Service open(const ServiceManager&, const std::string& name);
 
-        void start() const;
-        void stop() const;
-        void uninstall() const;
+    static Service install(
+        const ServiceManager&,
+        const std::string& name,
+        const std::string& bin_path
+    );
 
-        Service(Service&& other) LIBSERVICE_NOEXCEPT
-        {
-            swap(other);
-        }
+    void start() const;
+    void stop() const;
+    void uninstall() const;
 
-        Service& operator=(Service other) LIBSERVICE_NOEXCEPT
-        {
-            swap(other);
-            return *this;
-        }
+    Service(Service&& other) LIBSERVICE_NOEXCEPT {
+        swap(other);
+    }
 
-        void swap(Service& other) LIBSERVICE_NOEXCEPT
-        {
-            using std::swap;
-            swap(handle, other.handle);
-        }
+    Service& operator=(Service other) LIBSERVICE_NOEXCEPT {
+        swap(other);
+        return *this;
+    }
 
-    private:
-        Service(ServiceHandle handle)
-            : handle(std::move(handle))
-        { }
+    void swap(Service& other) LIBSERVICE_NOEXCEPT {
+        using std::swap;
+        swap(handle, other.handle);
+    }
 
-        ServiceHandle handle;
+private:
+    Service(ServiceHandle handle) : handle(std::move(handle)) {}
 
-        Service(const Service&) = delete;
-    };
+    ServiceHandle handle;
 
-    inline void swap(Service& a, Service& b) LIBSERVICE_NOEXCEPT
-    {
-        a.swap(b);
-    }
+    Service(const Service&) = delete;
+};
+
+inline void swap(Service& a, Service& b) LIBSERVICE_NOEXCEPT {
+    a.swap(b);
 }
 
-namespace std
-{
-    template <>
-    inline void swap(
-        service::Service& a,
-        service::Service& b) LIBSERVICE_NOEXCEPT
-    {
-        a.swap(b);
-    }
+} // namespace service
+
+namespace std {
+
+template <>
+inline void swap(service::Service& a, service::Service& b) LIBSERVICE_NOEXCEPT {
+    a.swap(b);
 }
+
+} // namespace std
diff --git a/um/service/include/service/service_handle.hpp b/um/service/include/service/service_handle.hpp
index 4be58c6..38e6a96 100644
--- a/um/service/include/service/service_handle.hpp
+++ b/um/service/include/service/service_handle.hpp
@@ -12,71 +12,59 @@
 #include <memory>
 #include <utility>
 
-namespace service
-{
-    class ServiceHandle
-    {
-    public:
-        ServiceHandle() = default;
+namespace service {
 
-        ServiceHandle(SC_HANDLE raw)
-            : impl(raw)
-        { }
+class ServiceHandle {
+public:
+    ServiceHandle() = default;
 
-        ServiceHandle(ServiceHandle&& other) LIBSERVICE_NOEXCEPT
-        {
-            swap(other);
-        }
-
-        ServiceHandle& operator=(ServiceHandle other) LIBSERVICE_NOEXCEPT
-        {
-            swap(other);
-            return *this;
-        }
+    ServiceHandle(SC_HANDLE raw) : impl(raw) {}
 
-        operator bool() const
-        {
-            return static_cast<bool>(impl);
-        }
+    ServiceHandle(ServiceHandle&& other) LIBSERVICE_NOEXCEPT {
+        swap(other);
+    }
 
-        operator SC_HANDLE() const
-        {
-            return impl.get();
-        }
+    ServiceHandle& operator=(ServiceHandle other) LIBSERVICE_NOEXCEPT {
+        swap(other);
+        return *this;
+    }
 
-        void swap(ServiceHandle& other) LIBSERVICE_NOEXCEPT
-        {
-            using std::swap;
-            swap(impl, other.impl);
-        }
+    operator bool() const {
+        return static_cast<bool>(impl);
+    }
 
-    private:
-        struct Deleter
-        {
-            void operator()(SC_HANDLE raw)
-            {
-                CloseServiceHandle(raw);
-            }
-        };
+    operator SC_HANDLE() const {
+        return impl.get();
+    }
 
-        std::unique_ptr<SC_HANDLE__, Deleter> impl;
+    void swap(ServiceHandle& other) LIBSERVICE_NOEXCEPT {
+        using std::swap;
+        swap(impl, other.impl);
+    }
 
-        ServiceHandle(const ServiceHandle&) = delete;
+private:
+    struct Deleter {
+        void operator()(SC_HANDLE raw) {
+            CloseServiceHandle(raw);
+        }
     };
 
-    inline void swap(ServiceHandle& a, ServiceHandle& b) LIBSERVICE_NOEXCEPT
-    {
-        a.swap(b);
-    }
+    std::unique_ptr<SC_HANDLE__, Deleter> impl;
+
+    ServiceHandle(const ServiceHandle&) = delete;
+};
+
+inline void swap(ServiceHandle& a, ServiceHandle& b) LIBSERVICE_NOEXCEPT {
+    a.swap(b);
 }
 
-namespace std
-{
-    template <>
-    inline void swap(
-        service::ServiceHandle& a,
-        service::ServiceHandle& b) LIBSERVICE_NOEXCEPT
-    {
-        a.swap(b);
-    }
+} // namespace service
+
+namespace std {
+
+template <>
+inline void swap(service::ServiceHandle& a, service::ServiceHandle& b) LIBSERVICE_NOEXCEPT {
+    a.swap(b);
 }
+
+} // namespace std
diff --git a/um/service/include/service/service_manager.hpp b/um/service/include/service/service_manager.hpp
index 2aa9312..a408d12 100644
--- a/um/service/include/service/service_manager.hpp
+++ b/um/service/include/service/service_manager.hpp
@@ -12,58 +12,49 @@
 
 #include <utility>
 
-namespace service
-{
-    class ServiceManager
-    {
-    public:
-        static ServiceManager open();
+namespace service {
 
-        ServiceManager(ServiceManager&& other) LIBSERVICE_NOEXCEPT
-        {
-            swap(other);
-        }
+class ServiceManager {
+public:
+    static ServiceManager open();
 
-        ServiceManager& operator=(ServiceManager other) LIBSERVICE_NOEXCEPT
-        {
-            swap(other);
-            return *this;
-        }
+    ServiceManager(ServiceManager&& other) LIBSERVICE_NOEXCEPT {
+        swap(other);
+    }
 
-        void swap(ServiceManager& other) LIBSERVICE_NOEXCEPT
-        {
-            using std::swap;
-            swap(handle, other.handle);
-        }
+    ServiceManager& operator=(ServiceManager other) LIBSERVICE_NOEXCEPT {
+        swap(other);
+        return *this;
+    }
 
-        operator SC_HANDLE() const
-        {
-            return handle;
-        }
+    void swap(ServiceManager& other) LIBSERVICE_NOEXCEPT {
+        using std::swap;
+        swap(handle, other.handle);
+    }
 
-    private:
-        ServiceManager(ServiceHandle handle)
-            : handle(std::move(handle))
-        { }
+    operator SC_HANDLE() const {
+        return handle;
+    }
 
-        ServiceHandle handle;
+private:
+    ServiceManager(ServiceHandle handle) : handle(std::move(handle)) {}
 
-        ServiceManager(const ServiceManager&) = delete;
-    };
+    ServiceHandle handle;
 
-    inline void swap(ServiceManager& a, ServiceManager& b) LIBSERVICE_NOEXCEPT
-    {
-        a.swap(b);
-    }
+    ServiceManager(const ServiceManager&) = delete;
+};
+
+inline void swap(ServiceManager& a, ServiceManager& b) LIBSERVICE_NOEXCEPT {
+    a.swap(b);
 }
 
-namespace std
-{
-    template <>
-    inline void swap(
-        service::ServiceManager& a,
-        service::ServiceManager& b) LIBSERVICE_NOEXCEPT
-    {
-        a.swap(b);
-    }
+} // namespace service
+
+namespace std {
+
+template <>
+inline void swap(service::ServiceManager& a, service::ServiceManager& b) LIBSERVICE_NOEXCEPT {
+    a.swap(b);
 }
+
+} // namespace std
diff --git a/um/service/include/service/singleton.hpp b/um/service/include/service/singleton.hpp
index c76d54b..3eaacbf 100644
--- a/um/service/include/service/singleton.hpp
+++ b/um/service/include/service/singleton.hpp
@@ -7,37 +7,34 @@
 
 #include <mutex>
 
-namespace service
-{
-    template <typename DerivedT>
-    class Singleton
-    {
-    public:
-        static DerivedT& get()
-        {
-            std::call_once(initialized, initialize);
-            return get_unsafe();
-        }
+namespace service {
 
-    protected:
-        Singleton() = default;
-        virtual ~Singleton() = default;
+template <typename DerivedT>
+class Singleton {
+public:
+    static DerivedT& get() {
+        std::call_once(initialized, initialize);
+        return get_unsafe();
+    }
 
-    private:
-        static void initialize()
-        {
-            get_unsafe();
-        }
+protected:
+    Singleton() = default;
+    virtual ~Singleton() = default;
 
-        static DerivedT& get_unsafe()
-        {
-            static DerivedT instance;
-            return instance;
-        }
+private:
+    static void initialize() {
+        get_unsafe();
+    }
 
-        static std::once_flag initialized;
-    };
+    static DerivedT& get_unsafe() {
+        static DerivedT instance;
+        return instance;
+    }
 
-    template <typename DerivedT>
-    std::once_flag Singleton<DerivedT>::initialized;
-}
+    static std::once_flag initialized;
+};
+
+template <typename DerivedT>
+std::once_flag Singleton<DerivedT>::initialized;
+
+} // namespace service
diff --git a/um/service/include/service/windows_error.hpp b/um/service/include/service/windows_error.hpp
index ab46cfd..d884ea7 100644
--- a/um/service/include/service/windows_error.hpp
+++ b/um/service/include/service/windows_error.hpp
@@ -14,45 +14,32 @@
 #include <string>
 #include <system_error>
 
-namespace service
-{
-    namespace windows_error
-    {
-        class Category
-            : public std::error_category
-            , public Singleton<Category>
-        {
-        public:
-            const char* name() const LIBSERVICE_NOEXCEPT { return "Windows"; }
+namespace service {
+namespace windows_error {
 
-            std::string message(int) const;
+class Category
+    : public std::error_category
+    , public Singleton<Category> {
+public:
+    const char* name() const LIBSERVICE_NOEXCEPT {
+        return "Windows";
+    }
 
-        private:
-            friend class Singleton<Category>;
-        };
+    std::string message(int) const;
 
-        inline std::string build_message_prefix(
-            const char* file,
-            int line,
-            const char* function)
-        {
-            std::ostringstream oss;
-            oss << "Error in function '" << function
-                << "' at file '" << file
-                << "', line " << line;
-            return oss.str();
-        }
+private:
+    friend class Singleton<Category>;
+};
 
-        inline std::system_error make(
-            DWORD code,
-            const char* file,
-            int line,
-            const char* function)
-        {
-            return std::system_error(
-                code,
-                Category::get(),
-                build_message_prefix(file, line, function));
-        }
-    }
+inline std::string build_message_prefix(const char* file, int line, const char* function) {
+    std::ostringstream oss;
+    oss << "Error in function '" << function << "' at file '" << file << "', line " << line;
+    return oss.str();
 }
+
+inline std::system_error make(DWORD code, const char* file, int line, const char* function) {
+    return std::system_error(code, Category::get(), build_message_prefix(file, line, function));
+}
+
+} // namespace windows_error
+} // namespace service
diff --git a/um/service/src/device.cpp b/um/service/src/device.cpp
index 870930f..2634a9a 100644
--- a/um/service/src/device.cpp
+++ b/um/service/src/device.cpp
@@ -8,108 +8,105 @@
 #include <Windows.h>
 
 #include <cstddef>
-
 #include <limits>
 #include <stdexcept>
 #include <string>
 
-namespace service
-{
-    namespace
-    {
-        Handle open_device(const std::string& path)
-        {
-            const auto raw = CreateFileA(
-                path.c_str(),
-                GENERIC_READ | GENERIC_WRITE,
-                0,
-                NULL,
-                OPEN_EXISTING,
-                FILE_ATTRIBUTE_NORMAL,
-                NULL);
+namespace service {
+namespace {
 
-            if (INVALID_HANDLE_VALUE == raw)
-            {
-                const auto ec = GetLastError();
-                throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
-            }
+Handle open_device(const std::string& path) {
+    const auto raw = CreateFileA(
+        path.c_str(),
+        GENERIC_READ | GENERIC_WRITE,
+        0,
+        NULL,
+        OPEN_EXISTING,
+        FILE_ATTRIBUTE_NORMAL,
+        NULL
+    );
 
-            return Handle(raw);
-        }
+    if (INVALID_HANDLE_VALUE == raw) {
+        const auto ec = GetLastError();
+        throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
     }
 
-    Device Device::open(const std::string& path)
-    {
-        return Device(open_device(path));
-    }
+    return Handle(raw);
+}
 
-    std::size_t Device::get_required_output_size(
-        Code code,
-        const void* in_buf,
-        std::size_t in_buf_size) const
-    {
-        DWORD nbreq;
+} // namespace
 
-        if (in_buf_size > std::numeric_limits<DWORD>::max())
-            throw std::range_error("input buffer size is too large");
+Device Device::open(const std::string& path) {
+    return Device(open_device(path));
+}
 
-        std::size_t nbwritten = DeviceIoControl(
-            handle,
-            code,
-            const_cast<void*>(in_buf),
-            static_cast<DWORD>(in_buf_size),
-            NULL,
-            0,
-            &nbreq,
-            NULL);
+std::size_t Device::get_required_output_size(
+    Code code,
+    const void* in_buf,
+    std::size_t in_buf_size
+) const {
+    DWORD nbreq;
 
-        if (0 == nbwritten)
-        {
-            const auto ec = GetLastError();
+    if (in_buf_size > std::numeric_limits<DWORD>::max())
+        throw std::range_error("input buffer size is too large");
 
-            switch (ec)
-            {
-                case ERROR_MORE_DATA:
-                    return nbreq;
+    std::size_t nbwritten = DeviceIoControl(
+        handle,
+        code,
+        const_cast<void*>(in_buf),
+        static_cast<DWORD>(in_buf_size),
+        NULL,
+        0,
+        &nbreq,
+        NULL
+    );
 
-                default:
-                    throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
-            }
-        }
+    if (0 == nbwritten) {
+        const auto ec = GetLastError();
 
-        return nbwritten;
+        switch (ec) {
+            case ERROR_MORE_DATA:
+                return nbreq;
+
+            default:
+                throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
+        }
     }
 
-    std::size_t Device::send_control_code(
-        Code code,
-        const void* in_buf,
-        std::size_t in_buf_size,
-        void* out_buf,
-        std::size_t out_buf_size) const
-    {
-        DWORD nbreq;
+    return nbwritten;
+}
 
-        if (in_buf_size > std::numeric_limits<DWORD>::max())
-            throw std::range_error("input buffer size is too large");
-        if (out_buf_size > std::numeric_limits<DWORD>::max())
-            throw std::range_error("output buffer size is too large");
+std::size_t Device::send_control_code(
+    Code code,
+    const void* in_buf,
+    std::size_t in_buf_size,
+    void* out_buf,
+    std::size_t out_buf_size
+) const {
+    DWORD nbreq;
 
-        std::size_t nbwritten = DeviceIoControl(
-            handle,
-            code,
-            const_cast<void*>(in_buf),
-            static_cast<DWORD>(in_buf_size),
-            out_buf,
-            static_cast<DWORD>(out_buf_size),
-            &nbreq,
-            NULL);
+    if (in_buf_size > std::numeric_limits<DWORD>::max())
+        throw std::range_error("input buffer size is too large");
+    if (out_buf_size > std::numeric_limits<DWORD>::max())
+        throw std::range_error("output buffer size is too large");
 
-        if (0 == nbwritten)
-        {
-            const auto ec = GetLastError();
-            throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
-        }
+    std::size_t nbwritten = DeviceIoControl(
+        handle,
+        code,
+        const_cast<void*>(in_buf),
+        static_cast<DWORD>(in_buf_size),
+        out_buf,
+        static_cast<DWORD>(out_buf_size),
+        &nbreq,
+        NULL
+    );
 
-        return nbwritten;
+    if (0 == nbwritten) {
+        const auto ec = GetLastError();
+        throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
     }
+
+    return nbwritten;
 }
+
+} // namespace service
diff --git a/um/service/src/service.cpp b/um/service/src/service.cpp
index b7384ce..698a9d9 100644
--- a/um/service/src/service.cpp
+++ b/um/service/src/service.cpp
@@ -9,242 +9,203 @@
 
 #include <string>
 
-namespace service
-{
-    namespace
-    {
-        ServiceHandle open_service(
-            const ServiceManager& mgr,
-            const std::string& name)
-        {
-            const auto raw = OpenServiceA(
-                mgr,
-                name.c_str(),
-                SERVICE_ALL_ACCESS);
+namespace service {
+namespace {
 
-            if (NULL == raw)
-            {
-                const auto ec = GetLastError();
-                throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
-            }
+ServiceHandle open_service(const ServiceManager& mgr, const std::string& name) {
+    const auto raw = OpenServiceA(mgr, name.c_str(), SERVICE_ALL_ACCESS);
 
-            return raw;
-        }
+    if (NULL == raw) {
+        const auto ec = GetLastError();
+        throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
+    }
 
-        ServiceHandle install_service(
-            const ServiceManager& mgr,
-            const std::string& name,
-            const std::string& bin_path)
-        {
-            const auto raw = CreateServiceA(
-                mgr,
-                name.c_str(),
-                name.c_str(),
-                SERVICE_ALL_ACCESS,
-                SERVICE_KERNEL_DRIVER,
-                SERVICE_DEMAND_START,
-                SERVICE_ERROR_NORMAL,
-                bin_path.c_str(),
-                NULL,
-                NULL,
-                NULL,
-                NULL,
-                NULL);
+    return raw;
+}
 
-            if (NULL == raw)
-            {
-                const auto ec = GetLastError();
-                throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
-            }
+ServiceHandle install_service(
+    const ServiceManager& mgr,
+    const std::string& name,
+    const std::string& bin_path
+) {
+    const auto raw = CreateServiceA(
+        mgr,
+        name.c_str(),
+        name.c_str(),
+        SERVICE_ALL_ACCESS,
+        SERVICE_KERNEL_DRIVER,
+        SERVICE_DEMAND_START,
+        SERVICE_ERROR_NORMAL,
+        bin_path.c_str(),
+        NULL,
+        NULL,
+        NULL,
+        NULL,
+        NULL
+    );
 
-            return raw;
-        }
+    if (NULL == raw) {
+        const auto ec = GetLastError();
+        throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
+    }
 
-        void start_service(const ServiceHandle& handle)
-        {
-            if (!StartService(handle, 0, NULL))
-            {
-                const auto ec = GetLastError();
-                throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
-            }
-        }
+    return raw;
+}
 
-        void stop_service(const ServiceHandle& handle)
-        {
-            SERVICE_STATUS service_status;
+void start_service(const ServiceHandle& handle) {
+    if (!StartService(handle, 0, NULL)) {
+        const auto ec = GetLastError();
+        throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
+    }
+}
 
-            if (!ControlService(handle, SERVICE_CONTROL_STOP, &service_status))
-            {
-                const auto ec = GetLastError();
-                throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
-            }
-        }
+void stop_service(const ServiceHandle& handle) {
+    SERVICE_STATUS service_status;
 
-        void uninstall_service(const ServiceHandle& handle)
-        {
-            if (!DeleteService(handle))
-            {
-                const auto ec = GetLastError();
-                throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
-            }
-        }
+    if (!ControlService(handle, SERVICE_CONTROL_STOP, &service_status)) {
+        const auto ec = GetLastError();
+        throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
+    }
+}
 
-        bool service_exists(
-            const ServiceManager& mgr,
-            const std::string& name)
-        {
-            const auto raw = OpenServiceA(
-                mgr,
-                name.c_str(),
-                SERVICE_QUERY_STATUS);
+void uninstall_service(const ServiceHandle& handle) {
+    if (!DeleteService(handle)) {
+        const auto ec = GetLastError();
+        throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
+    }
+}
 
-            if (NULL != raw)
-            {
-                ServiceHandle handle(raw);
-                return true;
-            }
+bool service_exists(const ServiceManager& mgr, const std::string& name) {
+    const auto raw = OpenServiceA(mgr, name.c_str(), SERVICE_QUERY_STATUS);
 
-            const auto ec = GetLastError();
+    if (NULL != raw) {
+        ServiceHandle handle(raw);
+        return true;
+    }
 
-            switch (ec)
-            {
-                case ERROR_SERVICE_DOES_NOT_EXIST:
-                    return false;
+    const auto ec = GetLastError();
 
-                default:
-                    throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
-            }
-        }
+    switch (ec) {
+        case ERROR_SERVICE_DOES_NOT_EXIST:
+            return false;
 
-        SERVICE_STATUS_PROCESS query_service_status(const ServiceHandle& handle)
-        {
-            SERVICE_STATUS_PROCESS status;
-            DWORD nbreq;
+        default:
+            throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
+    }
+}
 
-            const auto buf_ptr = reinterpret_cast<BYTE*>(&status);
-            const auto buf_size = sizeof(status);
+SERVICE_STATUS_PROCESS query_service_status(const ServiceHandle& handle) {
+    SERVICE_STATUS_PROCESS status;
+    DWORD nbreq;
 
-            if (!QueryServiceStatusEx(
-                handle, SC_STATUS_PROCESS_INFO, buf_ptr, buf_size, &nbreq))
-            {
-                const auto ec = GetLastError();
-                throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
-            }
+    const auto buf_ptr = reinterpret_cast<BYTE*>(&status);
+    const auto buf_size = sizeof(status);
 
-            return status;
-        }
+    if (!QueryServiceStatusEx(handle, SC_STATUS_PROCESS_INFO, buf_ptr, buf_size, &nbreq)) {
+        const auto ec = GetLastError();
+        throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
+    }
 
-        DWORD query_service_state(const ServiceHandle& handle)
-        {
-            return query_service_status(handle).dwCurrentState;
-        }
+    return status;
+}
 
-        SERVICE_STATUS_PROCESS wait_for_service_state(
-            const ServiceHandle& handle,
-            const DWORD desired_state)
-        {
-            auto status = query_service_status(handle);
+DWORD query_service_state(const ServiceHandle& handle) {
+    return query_service_status(handle).dwCurrentState;
+}
 
-            DWORD old_timestamp = GetTickCount();
+SERVICE_STATUS_PROCESS wait_for_service_state(
+    const ServiceHandle& handle,
+    const DWORD desired_state
+) {
+    auto status = query_service_status(handle);
 
-            DWORD old_check_point = status.dwCheckPoint;
-            DWORD old_wait_hint = status.dwWaitHint;
+    DWORD old_timestamp = GetTickCount();
 
-            while (desired_state != status.dwCurrentState)
-            {
-                DWORD wait_time = old_wait_hint / 10;
+    DWORD old_check_point = status.dwCheckPoint;
+    DWORD old_wait_hint = status.dwWaitHint;
 
-                if (wait_time < 1000)
-                    wait_time = 1000;
-                else if (wait_time > 10000)
-                    wait_time = 10000;
+    while (desired_state != status.dwCurrentState) {
+        DWORD wait_time = old_wait_hint / 10;
 
-                Sleep(wait_time);
+        if (wait_time < 1000)
+            wait_time = 1000;
+        else if (wait_time > 10000)
+            wait_time = 10000;
 
-                status = query_service_status(handle);
+        Sleep(wait_time);
 
-                if (desired_state == status.dwCurrentState)
-                    break;
+        status = query_service_status(handle);
 
-                if (status.dwCheckPoint > old_check_point)
-                {
-                    old_timestamp = GetTickCount();
+        if (desired_state == status.dwCurrentState)
+            break;
 
-                    old_check_point = status.dwCheckPoint;
-                    old_wait_hint = status.dwWaitHint;
-                }
-                else if (GetTickCount() - old_timestamp > old_wait_hint)
-                {
-                    return status;
-                }
-            }
+        if (status.dwCheckPoint > old_check_point) {
+            old_timestamp = GetTickCount();
 
+            old_check_point = status.dwCheckPoint;
+            old_wait_hint = status.dwWaitHint;
+        } else if (GetTickCount() - old_timestamp > old_wait_hint) {
             return status;
         }
     }
 
-    Service Service::open(
-        const ServiceManager& mgr,
-        const std::string& name)
-    {
-        return open_service(mgr, name);
-    }
+    return status;
+}
 
-    Service Service::install(
-        const ServiceManager& mgr,
-        const std::string& name,
-        const std::string& bin_path)
-    {
-        return install_service(mgr, name, bin_path);
-    }
+} // namespace
 
-    bool Service::exists(
-        const ServiceManager& mgr,
-        const std::string& name)
-    {
-        return service_exists(mgr, name);
-    }
+Service Service::open(const ServiceManager& mgr, const std::string& name) {
+    return open_service(mgr, name);
+}
 
-    void Service::start() const
-    {
-        const auto state = query_service_state(handle);
+Service Service::install(
+    const ServiceManager& mgr,
+    const std::string& name,
+    const std::string& bin_path
+) {
+    return install_service(mgr, name, bin_path);
+}
 
-        switch (state)
-        {
-            case SERVICE_STOPPED:
-                break;
+bool Service::exists(const ServiceManager& mgr, const std::string& name) {
+    return service_exists(mgr, name);
+}
 
-            case SERVICE_STOP_PENDING:
-                wait_for_service_state(handle, SERVICE_STOPPED);
-                break;
+void Service::start() const {
+    const auto state = query_service_state(handle);
 
-            default:
-                return;
-        }
+    switch (state) {
+        case SERVICE_STOPPED:
+            break;
 
-        start_service(handle);
-        wait_for_service_state(handle, SERVICE_RUNNING);
+        case SERVICE_STOP_PENDING:
+            wait_for_service_state(handle, SERVICE_STOPPED);
+            break;
+
+        default:
+            return;
     }
 
-    void Service::stop() const
-    {
-        switch (query_service_state(handle))
-        {
-            case SERVICE_STOPPED:
-                return;
+    start_service(handle);
+    wait_for_service_state(handle, SERVICE_RUNNING);
+}
 
-            case SERVICE_STOP_PENDING:
-                wait_for_service_state(handle, SERVICE_STOPPED);
-                return;
-        }
+void Service::stop() const {
+    switch (query_service_state(handle)) {
+        case SERVICE_STOPPED:
+            return;
 
-        stop_service(handle);
-        wait_for_service_state(handle, SERVICE_STOPPED);
+        case SERVICE_STOP_PENDING:
+            wait_for_service_state(handle, SERVICE_STOPPED);
+            return;
     }
 
-    void Service::uninstall() const
-    {
-        stop();
-        uninstall_service(handle);
-    }
+    stop_service(handle);
+    wait_for_service_state(handle, SERVICE_STOPPED);
 }
+
+void Service::uninstall() const {
+    stop();
+    uninstall_service(handle);
+}
+
+} // namespace service
diff --git a/um/service/src/service_manager.cpp b/um/service/src/service_manager.cpp
index 48c6bfe..b0e58fe 100644
--- a/um/service/src/service_manager.cpp
+++ b/um/service/src/service_manager.cpp
@@ -7,18 +7,17 @@
 
 #include <Windows.h>
 
-namespace service
-{
-    ServiceManager ServiceManager::open()
-    {
-        const auto raw = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
+namespace service {
 
-        if (NULL == raw)
-        {
-            const auto ec = GetLastError();
-            throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
-        }
+ServiceManager ServiceManager::open() {
+    const auto raw = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
 
-        return ServiceHandle(raw);
+    if (NULL == raw) {
+        const auto ec = GetLastError();
+        throw windows_error::make(ec, __FILE__, __LINE__, __FUNCTION__);
     }
+
+    return ServiceHandle(raw);
 }
+
+} // namespace service
diff --git a/um/service/src/windows_error.cpp b/um/service/src/windows_error.cpp
index c228536..c6cca1e 100644
--- a/um/service/src/windows_error.cpp
+++ b/um/service/src/windows_error.cpp
@@ -9,34 +9,31 @@
 
 #include <string>
 
-namespace service
-{
-    namespace windows_error
-    {
-        std::string Category::message(int code) const
-        {
-            char* buf_ptr;
+namespace service {
+namespace windows_error {
 
-            const auto nbwritten = FormatMessageA(
-                FORMAT_MESSAGE_ALLOCATE_BUFFER
-                    | FORMAT_MESSAGE_FROM_SYSTEM
-                    | FORMAT_MESSAGE_IGNORE_INSERTS,
-                NULL,
-                code,
-                MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
-                reinterpret_cast<char*>(&buf_ptr),
-                0,
-                NULL);
+std::string Category::message(int code) const {
+    char* buf_ptr;
 
-            if (0 == nbwritten)
-            {
-                LocalFree(buf_ptr);
-                return "Couldn't format the error message";
-            }
+    const auto nbwritten = FormatMessageA(
+        FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+        NULL,
+        code,
+        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+        reinterpret_cast<char*>(&buf_ptr),
+        0,
+        NULL
+    );
 
-            std::string str(buf_ptr, nbwritten - 2);
-            LocalFree(buf_ptr);
-            return str;
-        }
+    if (0 == nbwritten) {
+        LocalFree(buf_ptr);
+        return "Couldn't format the error message";
     }
+
+    std::string str(buf_ptr, nbwritten - 2);
+    LocalFree(buf_ptr);
+    return str;
 }
+
+} // namespace windows_error
+} // namespace service
diff --git a/um/service/test/windows_error.cpp b/um/service/test/windows_error.cpp
index 1334620..5f8d457 100644
--- a/um/service/test/windows_error.cpp
+++ b/um/service/test/windows_error.cpp
@@ -10,16 +10,10 @@
 #include <exception>
 #include <iostream>
 
-int main()
-{
-    try
-    {
-        throw service::windows_error::make(
-            ERROR_FILE_NOT_FOUND,
-            __FILE__, __LINE__, __FUNCTION__);
-    }
-    catch (const std::exception& e)
-    {
+int main() {
+    try {
+        throw service::windows_error::make(ERROR_FILE_NOT_FOUND, __FILE__, __LINE__, __FUNCTION__);
+    } catch (const std::exception& e) {
         std::cerr << e.what() << "\n";
         return 1;
     }
diff --git a/um/service/utils/install_service.cpp b/um/service/utils/install_service.cpp
index c452e0d..5af98ef 100644
--- a/um/service/utils/install_service.cpp
+++ b/um/service/utils/install_service.cpp
@@ -8,20 +8,15 @@
 #include <exception>
 #include <iostream>
 
-int main(int argc, char* argv[])
-{
-    if (argc != 3)
-    {
+int main(int argc, char* argv[]) {
+    if (argc != 3) {
         std::cout << "Usage: " << argv[0] << " NAME SYS_PATH\n";
         return 1;
     }
 
-    try
-    {
+    try {
         service::Service::install(service::ServiceManager::open(), argv[1], argv[2]);
-    }
-    catch (const std::exception& e)
-    {
+    } catch (const std::exception& e) {
         std::cerr << e.what() << "\n";
         return 1;
     }
diff --git a/um/service/utils/start_service.cpp b/um/service/utils/start_service.cpp
index 79c2d24..1743ece 100644
--- a/um/service/utils/start_service.cpp
+++ b/um/service/utils/start_service.cpp
@@ -8,20 +8,15 @@
 #include <exception>
 #include <iostream>
 
-int main(int argc, char* argv[])
-{
-    if (argc != 2)
-    {
+int main(int argc, char* argv[]) {
+    if (argc != 2) {
         std::cout << "Usage: " << argv[0] << " NAME\n";
         return 1;
     }
 
-    try
-    {
+    try {
         service::Service::open(service::ServiceManager::open(), argv[1]).start();
-    }
-    catch (const std::exception& e)
-    {
+    } catch (const std::exception& e) {
         std::cerr << e.what() << "\n";
         return 1;
     }
diff --git a/um/service/utils/stop_service.cpp b/um/service/utils/stop_service.cpp
index d9ccde9..fcfa67e 100644
--- a/um/service/utils/stop_service.cpp
+++ b/um/service/utils/stop_service.cpp
@@ -8,20 +8,15 @@
 #include <exception>
 #include <iostream>
 
-int main(int argc, char* argv[])
-{
-    if (argc != 2)
-    {
+int main(int argc, char* argv[]) {
+    if (argc != 2) {
         std::cout << "Usage: " << argv[0] << " NAME\n";
         return 1;
     }
 
-    try
-    {
+    try {
         service::Service::open(service::ServiceManager::open(), argv[1]).stop();
-    }
-    catch (const std::exception& e)
-    {
+    } catch (const std::exception& e) {
         std::cerr << e.what() << "\n";
         return 1;
     }
diff --git a/um/service/utils/uninstall_service.cpp b/um/service/utils/uninstall_service.cpp
index aa5af85..d7c105c 100644
--- a/um/service/utils/uninstall_service.cpp
+++ b/um/service/utils/uninstall_service.cpp
@@ -8,20 +8,15 @@
 #include <exception>
 #include <iostream>
 
-int main(int argc, char* argv[])
-{
-    if (argc != 2)
-    {
+int main(int argc, char* argv[]) {
+    if (argc != 2) {
         std::cout << "Usage: " << argv[0] << " NAME\n";
         return 1;
     }
 
-    try
-    {
+    try {
         service::Service::open(service::ServiceManager::open(), argv[1]).uninstall();
-    }
-    catch (const std::exception& e)
-    {
+    } catch (const std::exception& e) {
         std::cerr << e.what() << "\n";
         return 1;
     }
diff --git a/um/wrappers/nt_namespace/include/nt_namespace/device.hpp b/um/wrappers/nt_namespace/include/nt_namespace/device.hpp
index a3d725c..3856f2e 100644
--- a/um/wrappers/nt_namespace/include/nt_namespace/device.hpp
+++ b/um/wrappers/nt_namespace/include/nt_namespace/device.hpp
@@ -9,13 +9,13 @@
 
 #include <string>
 
-namespace nt_namespace
-{
-    class Device : service::Device
-    {
-    public:
-        Device();
+namespace nt_namespace {
 
-        std::wstring convert_nt_path(const std::wstring&);
-    };
-}
+class Device : service::Device {
+public:
+    Device();
+
+    std::wstring convert_nt_path(const std::wstring&);
+};
+
+} // namespace nt_namespace
diff --git a/um/wrappers/nt_namespace/src/device.cpp b/um/wrappers/nt_namespace/src/device.cpp
index 4f9021b..4e1d7b0 100644
--- a/um/wrappers/nt_namespace/src/device.cpp
+++ b/um/wrappers/nt_namespace/src/device.cpp
@@ -12,39 +12,35 @@
 #include <string>
 #include <vector>
 
-namespace nt_namespace
-{
-    namespace
-    {
-        const auto device_path = "\\\\.\\nt_namespace";
-        const auto control_code = CTL_CODE(0x8000, 0x800, METHOD_BUFFERED, FILE_ANY_ACCESS);
-    }
+namespace nt_namespace {
+namespace {
 
-    Device::Device()
-        : service::Device(service::Device::open(device_path))
-    { }
+const auto device_path = "\\\\.\\nt_namespace";
+const auto control_code = CTL_CODE(0x8000, 0x800, METHOD_BUFFERED, FILE_ANY_ACCESS);
 
-    std::wstring Device::convert_nt_path(const std::wstring& src)
-    {
-        const auto in_buf = src.c_str();
-        const auto in_buf_size = (src.size() + 1) * sizeof(wchar_t);
+} // namespace
 
-        static_assert(sizeof(control_code) == sizeof(service::Device::Code), "CTL_CODE() must return DWORDs");
+Device::Device() : service::Device(service::Device::open(device_path)) {}
 
-        const auto nbreq = get_required_output_size(
-            static_cast<service::Device::Code>(control_code),
-            in_buf,
-            in_buf_size);
+std::wstring Device::convert_nt_path(const std::wstring& src) {
+    const auto in_buf = src.c_str();
+    const auto in_buf_size = (src.size() + 1) * sizeof(wchar_t);
 
-        std::vector<unsigned char> output(nbreq);
+    static_assert(
+        sizeof(control_code) == sizeof(service::Device::Code), "CTL_CODE() must return DWORDs"
+    );
 
-        send_control_code(
-            static_cast<service::Device::Code>(control_code),
-            in_buf,
-            in_buf_size,
-            output.data(),
-            nbreq);
+    const auto nbreq = get_required_output_size(
+        static_cast<service::Device::Code>(control_code), in_buf, in_buf_size
+    );
 
-        return reinterpret_cast<wchar_t*>(output.data());
-    }
+    std::vector<unsigned char> output(nbreq);
+
+    send_control_code(
+        static_cast<service::Device::Code>(control_code), in_buf, in_buf_size, output.data(), nbreq
+    );
+
+    return reinterpret_cast<wchar_t*>(output.data());
 }
+
+} // namespace nt_namespace
diff --git a/um/wrappers/nt_namespace/utils/convert_nt_path.cpp b/um/wrappers/nt_namespace/utils/convert_nt_path.cpp
index ec215dc..b4500ee 100644
--- a/um/wrappers/nt_namespace/utils/convert_nt_path.cpp
+++ b/um/wrappers/nt_namespace/utils/convert_nt_path.cpp
@@ -8,16 +8,12 @@
 #include <exception>
 #include <iostream>
 
-int wmain(int argc, wchar_t* argv[])
-{
-    try
-    {
+int wmain(int argc, wchar_t* argv[]) {
+    try {
         nt_namespace::Device dev;
         for (int i = 1; i < argc; ++i)
             std::wcout << dev.convert_nt_path(argv[i]) << L"\n";
-    }
-    catch (const std::exception& e)
-    {
+    } catch (const std::exception& e) {
         std::cerr << e.what() << "\n";
         return 1;
     }
diff --git a/um/wrappers/simple/include/simple/device.hpp b/um/wrappers/simple/include/simple/device.hpp
index acbda76..5d18516 100644
--- a/um/wrappers/simple/include/simple/device.hpp
+++ b/um/wrappers/simple/include/simple/device.hpp
@@ -7,13 +7,13 @@
 
 #include "service/all.hpp"
 
-namespace simple
-{
-    class Device : service::Device
-    {
-    public:
-        Device();
+namespace simple {
 
-        unsigned int exchange_ints(unsigned int) const;
-    };
-}
+class Device : service::Device {
+public:
+    Device();
+
+    unsigned int exchange_ints(unsigned int) const;
+};
+
+} // namespace simple
diff --git a/um/wrappers/simple/src/device.cpp b/um/wrappers/simple/src/device.cpp
index d1a0d42..1388c55 100644
--- a/um/wrappers/simple/src/device.cpp
+++ b/um/wrappers/simple/src/device.cpp
@@ -3,37 +3,38 @@
 // For details, see https://github.com/egor-tensin/windows7-drivers.
 // Distributed under the MIT License.
 
-#include "simple/all.hpp"
-
 #include "service/all.hpp"
+#include "simple/all.hpp"
 
 #include <Windows.h>
 
-namespace simple
-{
-    namespace
-    {
-        const auto device_path = "\\\\.\\simple_device1";
-        const auto exchange_ints_ctl_code = CTL_CODE(0x8001, 0x800, METHOD_BUFFERED, FILE_ANY_ACCESS);
-    }
+namespace simple {
+namespace {
 
-    Device::Device()
-        : service::Device(service::Device::open(device_path))
-    { }
+const auto device_path = "\\\\.\\simple_device1";
+const auto exchange_ints_ctl_code = CTL_CODE(0x8001, 0x800, METHOD_BUFFERED, FILE_ANY_ACCESS);
 
-    unsigned int Device::exchange_ints(unsigned int src) const
-    {
-        static_assert(sizeof(exchange_ints_ctl_code) == sizeof(service::Device::Code), "CTL_CODE() must produce DWORDs");
+} // namespace
 
-        unsigned int dest;
+Device::Device() : service::Device(service::Device::open(device_path)) {}
 
-        send_control_code(
-            static_cast<service::Device::Code>(exchange_ints_ctl_code),
-            &src,
-            sizeof(src),
-            &dest,
-            sizeof(dest));
+unsigned int Device::exchange_ints(unsigned int src) const {
+    static_assert(
+        sizeof(exchange_ints_ctl_code) == sizeof(service::Device::Code),
+        "CTL_CODE() must produce DWORDs"
+    );
 
-        return dest;
-    }
+    unsigned int dest;
+
+    send_control_code(
+        static_cast<service::Device::Code>(exchange_ints_ctl_code),
+        &src,
+        sizeof(src),
+        &dest,
+        sizeof(dest)
+    );
+
+    return dest;
 }
+
+} // namespace simple
diff --git a/um/wrappers/simple/utils/exchange_ints.cpp b/um/wrappers/simple/utils/exchange_ints.cpp
index cf8d70c..59f8dab 100644
--- a/um/wrappers/simple/utils/exchange_ints.cpp
+++ b/um/wrappers/simple/utils/exchange_ints.cpp
@@ -10,32 +10,27 @@
 #include <sstream>
 #include <string>
 
-namespace
-{
-    bool parse_int(unsigned int& dest, const std::string& src)
-    {
-        std::istringstream iss(src);
-        char c;
-        return iss >> dest && !iss.get(c);
-    }
+namespace {
+
+bool parse_int(unsigned int& dest, const std::string& src) {
+    std::istringstream iss(src);
+    char c;
+    return iss >> dest && !iss.get(c);
 }
 
-int main(int argc, char* argv[])
-{
-    try
-    {
+} // namespace
+
+int main(int argc, char* argv[]) {
+    try {
         unsigned int src = 0;
 
-        if (argc != 2 || !parse_int(src, argv[1]))
-        {
+        if (argc != 2 || !parse_int(src, argv[1])) {
             std::cout << "Usage: " << argv[0] << " N\n";
             return 1;
         }
 
         std::cout << simple::Device().exchange_ints(src) << "\n";
-    }
-    catch (const std::exception& e)
-    {
+    } catch (const std::exception& e) {
         std::cerr << e.what() << "\n";
         return 1;
     }