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 (at) 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 if (size < 0) return false; // security: size is often user-supplied 51 52 if (BufferSize() >= size) { 53 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 if (size > 0) { 57 memcpy(mutable_string_data(buffer), buffer_, size); 58 Advance(size); 59 } 60 return true; 61 } 62 63 return ReadStringFallback(buffer, size); 64 } 65 66 } // namespace io 67 } // namespace protobuf 68 } // namespace google 69 #endif // GOOGLE_PROTOBUF_IO_CODED_STREAM_INL_H__ 70
