Line data    Source code

       1             : // Protocol Buffers - Google's data interchange format
       2             : // Copyright 2008 Google Inc.  All rights reserved.
       3             : // https://developers.google.com/protocol-buffers/
       4             : //
       5             : // Redistribution and use in source and binary forms, with or without
       6             : // modification, are permitted provided that the following conditions are
       7             : // met:
       8             : //
       9             : //     * Redistributions of source code must retain the above copyright
      10             : // notice, this list of conditions and the following disclaimer.
      11             : //     * Redistributions in binary form must reproduce the above
      12             : // copyright notice, this list of conditions and the following disclaimer
      13             : // in the documentation and/or other materials provided with the
      14             : // distribution.
      15             : //     * Neither the name of Google Inc. nor the names of its
      16             : // contributors may be used to endorse or promote products derived from
      17             : // this software without specific prior written permission.
      18             : //
      19             : // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      20             : // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      21             : // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      22             : // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      23             : // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      24             : // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      25             : // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      26             : // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      27             : // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      28             : // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      29             : // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      30             : 
      31             : // The ArenaString implementation is not included in the open-source release. Do
      32             : // not include this file in the distribution.
      33             : 
      34             : #include <google/protobuf/arenastring.h>
      35             : 
      36             : namespace google {
      37             : namespace protobuf {
      38             : namespace internal {
      39             : 
      40             : 
      41        1001 : void ArenaStringPtr::AssignWithDefault(const ::std::string* default_value,
      42             :                                        ArenaStringPtr value) {
      43        1001 :   const ::std::string* me = *UnsafeRawStringPointer();
      44        1001 :   const ::std::string* other = *value.UnsafeRawStringPointer();
      45             :   // If the pointers are the same then do nothing.
      46        1001 :   if (me != other) {
      47        1001 :     SetNoArena(default_value, value.GetNoArena(default_value));
      48             :   }
      49        1001 : }
      50             : 
      51             : }  // namespace internal
      52             : }  // namespace protobuf
      53             : }  // namespace google