❔ Unsafe Reading different types of structs from a byte array

I'm currently using the

Unsafe

Unsafe

class to help me read (and also write) different types of structs into a byte array. This is my read function so far:

public static unsafe T ReadStruct<T>(byte[] array, int offset, int size) where T : unmanaged {
    T value = default;
    Unsafe.CopyBlock(ref *(byte*) &value, ref array[offset], (uint) size);
    return value;
}

public static unsafe T ReadStruct<T>(byte[] array, int offset, int size) where T : unmanaged {
    T value = default;
    Unsafe.CopyBlock(ref *(byte*) &value, ref array[offset], (uint) size);
    return value;
}

It works for me, even if the byte array contains something like 3 ints, a byte, and a long after than (21 byte elements). But I've also read about possible alignment issues which I'm not very familiar with... will my code run into problems at some point?

C#•3y ago•

93 replies

hugeman

❔ Unsafe Reading different types of structs from a byte array

I'm currently using the

Unsafe

Unsafe

class to help me read (and also write) different types of structs into a byte array. This is my read function so far:

public static unsafe T ReadStruct<T>(byte[] array, int offset, int size) where T : unmanaged {
    T value = default;
    Unsafe.CopyBlock(ref *(byte*) &value, ref array[offset], (uint) size);
    return value;
}

public static unsafe T ReadStruct<T>(byte[] array, int offset, int size) where T : unmanaged {
    T value = default;
    Unsafe.CopyBlock(ref *(byte*) &value, ref array[offset], (uint) size);
    return value;
}

❔ Unsafe Reading different types of structs from a byte array

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