int always 32 bits on all platforms?

[Nick Sabalausky]

"AJ" <aj at nospam.net> wrote in message news:hboa9p$5md$1 at digitalmars.com...
>
> "Walter Bright" <newshound1 at digitalmars.com> wrote in message 
> news:hbo5il$2snd$5 at digitalmars.com...
>> AJ wrote:
>>> How can/does D guarantee that "int" will always be 32 bits on all 
>>> platforms?
>>
>> The implementation on a platform must implement it that way.
>>
>>> Does this mean that D won't work on some platforms?
>>
>> You can make anything work on any platform
>
> How do you make ABC below work on a platform that requires 32-bit integers 
> to be aligned on 32-bit boundaries while keeping the layount and size of 
> ABC the same as on a platform that has no such alignment requirement?
>
> struct ABC
> {
>    byte a;
>    int b; // may be improperly aligned on some platforms
>    int64 c; // same issue
> };
>
>

It can be done by using bitmasks and bit shifting on every access.