Re: Q: void* vs. unsigned long (fwd)

Kev (klmitch@MIT.EDU)
Tue, 16 Feb 1999 21:46:22 EST

> > The 1st bullet indicates that rank is independant of representation and if
> > you look at the definitions within <limits.h> (5.2.4.2.1) you'll see that
> > signed char is at least 8 bits long
> > short int is at least 16 bits long
> > int is at least 16 bits long
> > long is at least 32 bits long
> > long long is at least 64 bits long
> >
>
> That's not exactly the definitions I've learnt:

the ones you've learned are wrong.

> It should be assumed that:
>
> char *is* 8 bits
> short int *is* 16 bits
> int is the size of int nativly handled by your CPU: can be anything
> long *is* 32 bits
> long long *is* 64 bits

Unfortunately, the standards say "at least xx bits long." This is
sometimes rather inconvenient, but it is the state of things.

-- 
Kevin L. Mitchell <klmitch@mit.edu>
-------------------------  -. .---- --.. ..- -..-  --------------------------
http://web.mit.edu/klmitch/www/               (PGP keys availiable from here)
    RSA AE87D37D/1024:  DE EA 1E 99 3F 2B F9 23  A0 D8 05 E0 6F BA B9 D2
    DSS ED0DB34E/1024: D9BF 0E74 FDCB 43F5 C597  878F 9455 EC24 ED0D B34E
    DH  2A2C31D4/2048: 1A77 4BA5 9E32 14AE 87DA  9FEC 7106 FC62 2A2C 31D4




-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/