diff options
Diffstat (limited to '3rdparty/benchmark/src/re_posix.cc')
-rw-r--r-- | 3rdparty/benchmark/src/re_posix.cc | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/3rdparty/benchmark/src/re_posix.cc b/3rdparty/benchmark/src/re_posix.cc new file mode 100644 index 00000000000..95b086ffd6d --- /dev/null +++ b/3rdparty/benchmark/src/re_posix.cc @@ -0,0 +1,59 @@ +// Copyright 2015 Google Inc. All rights reserved. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +#include "check.h" +#include "re.h" + +namespace benchmark { + +Regex::Regex() : init_(false) { } + +bool Regex::Init(const std::string& spec, std::string* error) { + int ec = regcomp(&re_, spec.c_str(), REG_EXTENDED | REG_NOSUB); + if (ec != 0) { + if (error) { + size_t needed = regerror(ec, &re_, nullptr, 0); + char* errbuf = new char[needed]; + regerror(ec, &re_, errbuf, needed); + + // regerror returns the number of bytes necessary to null terminate + // the string, so we move that when assigning to error. + CHECK_NE(needed, 0); + error->assign(errbuf, needed - 1); + + delete[] errbuf; + } + + return false; + } + + init_ = true; + return true; +} + +Regex::~Regex() { + if (init_) { + regfree(&re_); + } +} + +bool Regex::Match(const std::string& str) { + if (!init_) { + return false; + } + + return regexec(&re_, str.c_str(), 0, nullptr, 0) == 0; +} + +} // end namespace benchmark |