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37 lines
826 B
C++
37 lines
826 B
C++
// ArduinoJson - arduinojson.org
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// Copyright Benoit Blanchon 2014-2020
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// MIT License
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#pragma once
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#include <ArduinoJson/Namespace.hpp>
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#include <stddef.h> // size_t
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namespace ARDUINOJSON_NAMESPACE {
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inline bool isAligned(void *ptr) {
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const size_t mask = sizeof(void *) - 1;
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size_t addr = reinterpret_cast<size_t>(ptr);
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return (addr & mask) == 0;
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}
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inline size_t addPadding(size_t bytes) {
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const size_t mask = sizeof(void *) - 1;
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return (bytes + mask) & ~mask;
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}
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template <typename T>
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inline T *addPadding(T *p) {
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size_t address = addPadding(reinterpret_cast<size_t>(p));
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return reinterpret_cast<T *>(address);
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}
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template <size_t bytes>
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struct AddPadding {
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static const size_t mask = sizeof(void *) - 1;
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static const size_t value = (bytes + mask) & ~mask;
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};
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} // namespace ARDUINOJSON_NAMESPACE
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