🚀 go-pugleaf

I don't have access to a copy of the ANSI spec, hence my query:

Does ANSI say that structure assignment is done by member-wise copy or
by bit-wise copying?
The reason I ask is that if it is a bit-wise copy, then any padding in
a struct would have to have some (presumably inplementation defined)
value written to it so that the padding bytes could be copied.
I realise that most implementations will not suffer any ill effects
from the notional conversion of the following assignment:

struct a {...} a_one = { ...};
int some_func ()
{
  struct a a_two = a_one;


to:
  memcpy ((void *) &a_two, (void *) &a_one, sizeof (struct a));

but I wondered if this conveys the actual ANSI definition of struct
assignment.


--
Jim Segrave