Google Cloud C++ Client  1.32.1
C++ Client Library for Google Cloud Platform
version.cc
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1 // Copyright 2019 Google LLC
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #include "google/cloud/version.h"
16 #include "google/cloud/internal/build_info.h"
17 #include <sstream>
18 
19 namespace google {
20 namespace cloud {
21 inline namespace GOOGLE_CLOUD_CPP_NS {
22 std::string version_string() {
23  static auto const* const kVersion = new auto([] {
24  std::ostringstream os;
25  os << "v" << version_major() << "." << version_minor() << "."
26  << version_patch();
27  auto metadata = google::cloud::internal::build_metadata();
28  if (!metadata.empty()) {
29  os << "+" << metadata;
30  }
31  return os.str();
32  }());
33  return *kVersion;
34 }
35 } // namespace GOOGLE_CLOUD_CPP_NS
36 } // namespace cloud
37 } // namespace google