Re: [TSVN] Running 64 bit prototype of TSVN 1.2.1 built with VS2005

anahata@microrobotics.co.uk wrote:
> On Fri, Aug 19, 2005 at 08:28:24AM -0600, Joseph Galbraith wrote:
>
>>sizeof(long) != sizeof(int) AFAIK.
>
>
> I think:
>
> sizeof(long) >= sizeof(int)
>
> is closer to the truth.
> I'm sure it works that way with int and short.

These are (I think) the ANSI C requirements:

sizeof(short) <= sizeof(int) <= sizeof(long)

sizeof(int) >= 2
sizeof(long) >= 4

For small micros these rules sometimes get broken: for a PIC, int is 8
bits and long is 16 bits and short is 1 bit (!)

For most of the 32 bit systems I have seen int == long == 32 bits.

I think maybe the problem has more to do with pointer sizes in the 64
bit architecture.

Simon

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