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             : // Author: jasonh@google.com (Jason Hsueh)
      32             : //
      33             : // Implements methods of coded_stream.h that need to be inlined for performance
      34             : // reasons, but should not be defined in a public header.
      35             : 
      36             : #ifndef GOOGLE_PROTOBUF_IO_CODED_STREAM_INL_H__
      37             : #define GOOGLE_PROTOBUF_IO_CODED_STREAM_INL_H__
      38             : 
      39             : #include <google/protobuf/io/coded_stream.h>
      40             : #include <google/protobuf/io/zero_copy_stream_impl_lite.h>
      41             : #include <string>
      42             : #include <google/protobuf/stubs/stl_util.h>
      43             : 
      44             : namespace google {
      45             : namespace protobuf {
      46             : namespace io {
      47             : 
      48             : inline bool CodedInputStream::InternalReadStringInline(string* buffer,
      49             :                                                        int size) {
      50         738 :   if (size < 0) return false;  // security: size is often user-supplied
      51             : 
      52         738 :   if (BufferSize() >= size) {
      53         738 :     STLStringResizeUninitialized(buffer, size);
      54             :     // When buffer is empty, string_as_array(buffer) will return NULL but memcpy
      55             :     // requires non-NULL pointers even when size is 0. Hench this check.
      56         738 :     if (size > 0) {
      57         738 :       memcpy(mutable_string_data(buffer), buffer_, size);
      58         738 :       Advance(size);
      59             :     }
      60         738 :     return true;
      61             :   }
      62             : 
      63           0 :   return ReadStringFallback(buffer, size);
      64             : }
      65             : 
      66             : }  // namespace io
      67             : }  // namespace protobuf
      68             : }  // namespace google
      69             : #endif  // GOOGLE_PROTOBUF_IO_CODED_STREAM_INL_H__