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Diffstat (limited to 'include/google/protobuf/stubs/stl_util.h')
| -rw-r--r-- | include/google/protobuf/stubs/stl_util.h | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/include/google/protobuf/stubs/stl_util.h b/include/google/protobuf/stubs/stl_util.h deleted file mode 100644 index e6260d0760..0000000000 --- a/include/google/protobuf/stubs/stl_util.h +++ /dev/null @@ -1,90 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// from google3/util/gtl/stl_util.h - -#ifndef GOOGLE_PROTOBUF_STUBS_STL_UTIL_H__ -#define GOOGLE_PROTOBUF_STUBS_STL_UTIL_H__ - -#include <google/protobuf/stubs/common.h> - -#include <algorithm> - -// Must be last. -#include <google/protobuf/port_def.inc> // NOLINT - -namespace google { -namespace protobuf { - -// Inside Google, this function implements a horrible, disgusting hack in which -// we reach into the string's private implementation and resize it without -// initializing the new bytes. In some cases doing this can significantly -// improve performance. However, since it's totally non-portable it has no -// place in open source code. Feel free to fill this function in with your -// own disgusting hack if you want the perf boost. -inline void STLStringResizeUninitialized(std::string* s, size_t new_size) { - s->resize(new_size); -} - -// As above, but we make sure to follow amortized growth in which we always -// increase the capacity by at least a constant factor >1. -inline void STLStringResizeUninitializedAmortized(std::string* s, - size_t new_size) { - const size_t cap = s->capacity(); - if (new_size > cap) { - // Make sure to always grow by at least a factor of 2x. - s->reserve(std::max<size_t>(new_size, 2 * cap)); - } - STLStringResizeUninitialized(s, new_size); -} - -// Return a mutable char* pointing to a string's internal buffer, -// which may not be null-terminated. Writing through this pointer will -// modify the string. -// -// string_as_array(&str)[i] is valid for 0 <= i < str.size() until the -// next call to a string method that invalidates iterators. -// -// As of 2006-04, there is no standard-blessed way of getting a -// mutable reference to a string's internal buffer. However, issue 530 -// (http://www.open-std.org/JTC1/SC22/WG21/docs/lwg-active.html#530) -// proposes this as the method. According to Matt Austern, this should -// already work on all current implementations. -inline char* string_as_array(std::string* str) { - // DO NOT USE const_cast<char*>(str->data())! See the unittest for why. - return str->empty() ? nullptr : &*str->begin(); -} - -} // namespace protobuf -} // namespace google - -#include <google/protobuf/port_undef.inc> // NOLINT - -#endif // GOOGLE_PROTOBUF_STUBS_STL_UTIL_H__ |