endian dilemma
Derek Atkins
warlord at MIT.EDU
Sat Sep 7 09:40:47 EDT 2002
"Derek D. Martin" <ddm at pizzashack.org> writes:
> Am I counting wrong?
>
> > struct {
> > char a; /* 1 byte */
> > long b; /* 8 bytes */
> > };
> > The size of the struct on a 32 bit CISC system might be 9 bytes, but on a
> > 32 bit RISC would be 8 bytes long, because field b must be aligned on a 32
> > bit boundary.
>
> How does one fit 9 bytes into 8 bytes? Wouldn't it have to be 12
> bytes?
I can certainly see how this struct could be either 5, 6, or 8 on a
32-bit system. I'm not sure where 9 comes from. On a 64-bit system I
can see it being 9, 10, 12, or 16 bytes...
-derek
--
Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
Member, MIT Student Information Processing Board (SIPB)
URL: http://web.mit.edu/warlord/ PP-ASEL-IA N1NWH
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