100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
/*
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* The MIT License (MIT)
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*
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* Copyright © 2015 Franklin "Snaipe" Mathieu <http://snai.pe/>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef CRITERION_ALLOC_H_
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# define CRITERION_ALLOC_H_
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# include <stddef.h>
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# include "common.h"
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CR_BEGIN_C_API
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CR_API void *cr_malloc(size_t size);
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CR_API void *cr_calloc(size_t nmemb, size_t size);
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CR_API void *cr_realloc(void *ptr, size_t size);
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CR_API void cr_free(void *ptr);
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CR_END_C_API
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# ifdef __cplusplus
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# include <type_traits>
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namespace criterion {
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void *(*const malloc)(size_t) = cr_malloc;
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void (*const free)(void *) = cr_free;
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void *(*const calloc)(size_t, size_t) = cr_calloc;
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void *(*const realloc)(void *, size_t) = cr_realloc;
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template<typename T, typename... Params>
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T* new_obj(Params... params) {
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T* obj = static_cast<T*>(cr_malloc(sizeof (T)));
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new (obj) T(params...);
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return obj;
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}
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template<typename T>
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typename std::enable_if<std::is_fundamental<T>::value>::type*
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new_arr(size_t len) {
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void *ptr = cr_malloc(sizeof (size_t) + sizeof (T) * len);
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*(reinterpret_cast<size_t*>(ptr)) = len;
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T* arr = reinterpret_cast<T*>(reinterpret_cast<size_t*>(ptr) + 1);
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return arr;
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}
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template<typename T>
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T* new_arr(size_t len) {
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void *ptr = cr_malloc(sizeof (size_t) + sizeof (T) * len);
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*(reinterpret_cast<size_t*>(ptr)) = len;
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T* arr = reinterpret_cast<T*>(reinterpret_cast<size_t*>(ptr) + 1);
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for (size_t i = 0; i < len; ++i)
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new (arr + i) T();
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return arr;
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}
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template<typename T>
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void delete_obj(T* ptr) {
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ptr->~T();
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cr_free(ptr);
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}
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template<typename T>
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void delete_arr(typename std::enable_if<std::is_fundamental<T>::value>::type* ptr) {
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cr_free(ptr);
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}
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template<typename T>
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void delete_arr(T* ptr) {
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size_t len = *(reinterpret_cast<size_t*>(ptr));
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T* arr = reinterpret_cast<T*>(reinterpret_cast<size_t*>(ptr) + 1);
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for (int i = 0; i < len; ++i) {
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arr[i].~T();
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}
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cr_free(ptr);
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}
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}
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# endif
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#endif /* !CRITERION_ALLOC_H_ */
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