| 1 | #pragma once |
| 2 | |
| 3 | #include <string.h> |
| 4 | #include <type_traits> |
| 5 | |
| 6 | |
| 7 | template <typename T> |
| 8 | inline T unalignedLoad(const void * address) |
| 9 | { |
| 10 | T res {}; |
| 11 | memcpy(&res, address, sizeof(res)); |
| 12 | return res; |
| 13 | } |
| 14 | |
| 15 | /// We've had troubles before with wrong store size due to integral promotions |
| 16 | /// (e.g., unalignedStore(dest, uint16_t + uint16_t) stores an uint32_t). |
| 17 | /// To prevent this, make the caller specify the stored type explicitly. |
| 18 | /// To disable deduction of T, wrap the argument type with std::enable_if. |
| 19 | template <typename T> |
| 20 | inline void unalignedStore(void * address, |
| 21 | const typename std::enable_if<true, T>::type & src) |
| 22 | { |
| 23 | static_assert(std::is_trivially_copyable_v<T>); |
| 24 | memcpy(address, &src, sizeof(src)); |
| 25 | } |
| 26 | |