| /** |
| * Copyright 2011-2015 Quickstep Technologies LLC. |
| * Copyright 2015 Pivotal Software, Inc. |
| * |
| * 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. |
| **/ |
| |
| #ifndef QUICKSTEP_TYPES_PORT_STRNLEN_HPP_ |
| #define QUICKSTEP_TYPES_PORT_STRNLEN_HPP_ |
| |
| #include <cstddef> |
| #include <cstring> |
| |
| #include "types/port/TypesPortConfig.h" |
| |
| namespace quickstep { |
| |
| /** \addtogroup Types |
| * @{ |
| */ |
| |
| #ifdef QUICKSTEP_HAVE_STRNLEN |
| inline std::size_t strnlen(const char *c, const std::size_t maxlen) { |
| return ::strnlen(c, maxlen); |
| } |
| #else |
| inline std::size_t strnlen(const char *c, const std::size_t maxlen) { |
| const char *loc = static_cast<const char*>(std::memchr(c, '\0', maxlen)); |
| if (loc == nullptr) { |
| return maxlen; |
| } else { |
| return (loc - c); |
| } |
| } |
| #endif |
| |
| /** @} */ |
| |
| } // namespace quickstep |
| |
| #endif // QUICKSTEP_TYPES_PORT_STRNLEN_HPP_ |