Start using .clang-format

Used the one from docs/style/cpp.

Change-Id: I3bdc2b353bf18a437266b362d8205b8463a9ce2b
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/file.hpp b/file.hpp
index 5be4c4b..d762012 100644
--- a/file.hpp
+++ b/file.hpp
@@ -15,59 +15,57 @@
  */
 class FileDescriptor
 {
-    public:
+  public:
+    FileDescriptor() = default;
+    FileDescriptor(const FileDescriptor&) = delete;
+    FileDescriptor& operator=(const FileDescriptor&) = delete;
+    FileDescriptor(FileDescriptor&&) = delete;
+    FileDescriptor& operator=(FileDescriptor&&) = delete;
 
-        FileDescriptor() = default;
-        FileDescriptor(const FileDescriptor&) = delete;
-        FileDescriptor& operator=(const FileDescriptor&) = delete;
-        FileDescriptor(FileDescriptor&&) = delete;
-        FileDescriptor& operator=(FileDescriptor&&) = delete;
+    /**
+     * Constructor
+     *
+     * @param[in] fd - File descriptor
+     */
+    FileDescriptor(int fd) : fd(fd)
+    {
+    }
 
-        /**
-         * Constructor
-         *
-         * @param[in] fd - File descriptor
-         */
-        FileDescriptor(int fd) : fd(fd)
+    ~FileDescriptor()
+    {
+        if (fd >= 0)
         {
+            close(fd);
+        }
+    }
+
+    int operator()()
+    {
+        return fd;
+    }
+
+    operator bool() const
+    {
+        return fd != -1;
+    }
+
+    void set(int descriptor)
+    {
+        if (fd >= 0)
+        {
+            close(fd);
         }
 
-        ~FileDescriptor()
-        {
-            if (fd >= 0)
-            {
-                close(fd);
-            }
-        }
+        fd = descriptor;
+    }
 
-        int operator()()
-        {
-            return fd;
-        }
-
-        operator bool() const
-        {
-            return fd != -1;
-        }
-
-        void set(int descriptor)
-        {
-            if (fd >= 0)
-            {
-                close(fd);
-            }
-
-            fd = descriptor;
-        }
-
-    private:
-
-        /**
-         * File descriptor
-         */
-        int fd = -1;
+  private:
+    /**
+     * File descriptor
+     */
+    int fd = -1;
 };
 
-}
-}
-}
+} // namespace util
+} // namespace power
+} // namespace witherspoon