🚀 go-pugleaf

In article <40r72s$m9f@nyx10.cs.du.edu>, colin@nyx10.cs.du.edu (Colin Plumb)
writes: 
|> In article <DANIELV.95Aug10093924@crt0.crt>,
|> Daniel Villeneuve <danielv@crt0.crt> wrote:
|> >
|> > The required alignment of that type is also of interest, when writing a
|> > specialized malloc() portably.  gcc's __alignof__ extension may be used
|> > as a model/example.
|> 
|> While it doesn't generalize to variables, here's a simple and, as far
|> as I know, portable alignof() macro:

This probably does work on most implementations:but as far as I am aware, the
standard puts no restriction on padding: and hence, there is _absolutely_ no
reason why this should work.

|> 
|> #define alignof(type) (sizeof(struct{type _x; char _y;}) - sizeof(type))
|> 
|> _x and _y may get caught somewhere in the user's code, but this has
|> worked for me quite well in practice.

Cheers
Tanmoy
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