Is padding ever added to this C structure?

If I define a C struct as,

typedef struct  {    double data[2];  } my_struct;  

Is there any possibility that padding would be added to such a structure? Or can I safely assume that sizeof(my_struct) is always 2*sizeof(double) on all systems?

https://stackoverflow.com/questions/65802477/is-padding-ever-added-to-this-c-structure January 20, 2021 at 11:00AM