mirror of
https://github.com/Force67/ps4delta.git
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97 lines
No EOL
2.6 KiB
C++
97 lines
No EOL
2.6 KiB
C++
#pragma once
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/*
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Copyright 2018 Brick
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software
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and associated documentation files (the "Software"), to deal in the Software
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without restriction,
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including without limitation the rights to use, copy, modify, merge,
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publish, distribute,
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sublicense, and/or sell copies of the Software, and to permit persons to
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whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or
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substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING
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BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM,
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DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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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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#include <cstdint>
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namespace utl {
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class init_function {
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public:
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using callback_t = void (*)();
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private:
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init_function *next_{nullptr};
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callback_t callback_{nullptr};
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init_function(init_function *&parent, callback_t callback) noexcept;
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public:
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init_function(callback_t callback) noexcept;
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init_function(init_function &parent, callback_t callback) noexcept;
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init_function(const init_function &) = delete;
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init_function(init_function &&) = delete;
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static init_function *&ROOT() noexcept;
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static std::size_t init();
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};
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inline init_function::init_function(init_function *&parent,
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callback_t callback) noexcept
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: next_(parent),
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callback_(callback) {
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parent = this;
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}
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inline init_function::init_function(callback_t callback) noexcept
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: init_function(ROOT(), callback) {}
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inline init_function::init_function(init_function &parent,
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callback_t callback) noexcept
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: init_function(parent.next_, callback) {}
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inline init_function *&init_function::ROOT() noexcept {
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static init_function *root{nullptr};
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return root;
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}
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inline std::size_t init_function::init() {
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std::size_t total = 0;
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for (init_function *i = ROOT(); i;) {
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if (i->callback_) {
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i->callback_();
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i->callback_ = nullptr;
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++total;
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}
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init_function *j = i->next_;
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i->next_ = nullptr;
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i = j;
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}
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ROOT() = nullptr;
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return total;
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}
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} // namespace mem
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