fix formatting

.travis.yml

@@ -127,8 +127,9 @@ matrix:
     before_script:
     - export CC="gcc-4.9"
     - export CXX="g++-4.9"
-    - $TRAVIS_BUILD_DIR/ci/travis_before_script_cpp.sh --only-library
+    - $TRAVIS_BUILD_DIR/ci/travis_before_script_cpp.sh
     script:
+    - $TRAVIS_BUILD_DIR/ci/travis_script_cpp.sh
     - $TRAVIS_BUILD_DIR/ci/travis_script_plasma.sh
 
 before_install:

cpp/src/plasma/client.cc

@@ -461,7 +461,8 @@ Status PlasmaClient::Subscribe(int* fd) {
   return Status::OK();
 }
 
-Status PlasmaClient::GetNotification(int fd, ObjectID *object_id, int64_t* data_size, int64_t* metadata_size) {
+Status PlasmaClient::GetNotification(
+    int fd, ObjectID* object_id, int64_t* data_size, int64_t* metadata_size) {
   uint8_t* notification = read_message_async(fd);
   if (notification == NULL) {
     return Status::IOError("Failed to read object notification from Plasma socket");

cpp/src/plasma/client.h

@@ -179,7 +179,7 @@ class ARROW_EXPORT PlasmaClient {
   /// retrieved.
   /// @return The return status.
   Status Evict(int64_t num_bytes, int64_t& num_bytes_evicted);
-  
+
   /// Compute the hash of an object in the object store.
   ///
   /// @param conn The object containing the connection state.
@@ -206,7 +206,8 @@ class ARROW_EXPORT PlasmaClient {
   /// @param data_size Out parameter, the data size of the object that was sealed.
   /// @param metadata_size Out parameter, the metadata size of the object that was sealed.
   /// @return The return status.
-  Status GetNotification(int fd, ObjectID* object_id, int64_t* data_size, int64_t* metadata_size);
+  Status GetNotification(
+      int fd, ObjectID* object_id, int64_t* data_size, int64_t* metadata_size);
 
   /// Disconnect from the local plasma instance, including the local store and
   /// manager.