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Diffstat (limited to 'src/crypto/test/stl_compat.h')
-rw-r--r-- | src/crypto/test/stl_compat.h | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/src/crypto/test/stl_compat.h b/src/crypto/test/stl_compat.h deleted file mode 100644 index 1997a45..0000000 --- a/src/crypto/test/stl_compat.h +++ /dev/null @@ -1,144 +0,0 @@ -/* Copyright (c) 2015, Google Inc. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ - -#ifndef OPENSSL_HEADER_CRYPTO_TEST_STL_COMPAT_H -#define OPENSSL_HEADER_CRYPTO_TEST_STL_COMPAT_H - -#include <assert.h> - -#include <vector> - - -// This header contains re-implementations of library functions from C++11. They -// will be replaced with their standard counterparts once Chromium has C++11 -// library support in its toolchain. - -namespace bssl { - -// vector_data is a reimplementation of |std::vector::data| from C++11. -template <class T> -static T *vector_data(std::vector<T> *out) { - return out->empty() ? nullptr : &(*out)[0]; -} - -template <class T> -static const T *vector_data(const std::vector<T> *out) { - return out->empty() ? nullptr : &(*out)[0]; -} - -// remove_reference is a reimplementation of |std::remove_reference| from C++11. -template <class T> -struct remove_reference { - using type = T; -}; - -template <class T> -struct remove_reference<T&> { - using type = T; -}; - -template <class T> -struct remove_reference<T&&> { - using type = T; -}; - -// move is a reimplementation of |std::move| from C++11. -template <class T> -typename remove_reference<T>::type &&move(T &&t) { - return static_cast<typename remove_reference<T>::type&&>(t); -} - -// default_delete is a partial reimplementation of |std::default_delete| from -// C++11. -template <class T> -struct default_delete { - void operator()(T *t) const { - enum { type_must_be_complete = sizeof(T) }; - delete t; - } -}; - -// nullptr_t is |std::nullptr_t| from C++11. -using nullptr_t = decltype(nullptr); - -// unique_ptr is a partial reimplementation of |std::unique_ptr| from C++11. It -// intentionally does not support stateful deleters to avoid having to bother -// with the empty member optimization. -template <class T, class Deleter = default_delete<T>> -class unique_ptr { - public: - unique_ptr() : ptr_(nullptr) {} - unique_ptr(nullptr_t) : ptr_(nullptr) {} - unique_ptr(T *ptr) : ptr_(ptr) {} - unique_ptr(const unique_ptr &u) = delete; - - unique_ptr(unique_ptr &&u) : ptr_(nullptr) { - reset(u.release()); - } - - ~unique_ptr() { - reset(); - } - - unique_ptr &operator=(nullptr_t) { - reset(); - return *this; - } - - unique_ptr &operator=(unique_ptr &&u) { - reset(u.release()); - return *this; - } - - unique_ptr& operator=(const unique_ptr &u) = delete; - - explicit operator bool() const { - return ptr_ != nullptr; - } - - T &operator*() const { - assert(ptr_ != nullptr); - return *ptr_; - } - - T *operator->() const { - assert(ptr_ != nullptr); - return ptr_; - } - - T *get() const { - return ptr_; - } - - T *release() { - T *ptr = ptr_; - ptr_ = nullptr; - return ptr; - } - - void reset(T *ptr = nullptr) { - if (ptr_ != nullptr) { - Deleter()(ptr_); - } - ptr_ = ptr; - } - - private: - T *ptr_; -}; - -} // namespace bssl - - -#endif // OPENSSL_HEADER_CRYPTO_TEST_STL_COMPAT_H |