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#ifndef UNALIGNED_MEMORY_H
#define UNALIGNED_MEMORY_H
#include <cstring>
/**
* UnalignedMemory: Safe unaligned memory access.
*
* Some instruction sets, or some instructions in some instruction sets
* require that memory access is aligned to a specific boundary. These
* instructions may trap on unaligned access.
*
* This class provides methods to load and store values at unaligned
* addresses. It ensures that the compiler doesn't generate instructions
* that could trap on the unaligned memory access.
*/
namespace pinyin{
template <typename T>
class UnalignedMemory{
public:
/**
* Read a value from a possibly unaligned memory address.
*
*/
static T load(const void * src) {
T value;
memcpy(&value, src, sizeof(T));
return value;
}
/**
* Store a value into a possibly unaligned memory address.
*
*/
static void store(T value, void * dest) {
memcpy(dest, &value, sizeof(T));
}
};
};
#endif
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