Reading “integer” size bytes from a char* array.

Question

I want to read sizeof(int) bytes from a char* array.

a) In what scenario\'s do we need to worry if endianness needs to be checked?

Answer 1

Do you mean something like that?:

char* a;
int i;
memcpy(&i, a, sizeof(i));

You only have to worry about endianess if the source of the data is from a different platform, like a device.