Re: pointer conversion


"Charlton Wilbur" <cwilbur@xxxxxxxxxxxxxx> wrote in message news:87abs7wu2c.fsf@xxxxxxxxxxxxxxxxxxxxxxxxx
"M" == Malcolm McLean <regniztar@xxxxxxxxxxxxxx> writes:

M> You will be OK. char is always 1 byte. So casting an arbitrary
M> pointer to a char *, adding an exact multiple of the size of
M> the original type, and casting back is guaranteed to preserve
M> alignment.

I am not so sure about that; would you care to cite C&V, please, if
you claim that it's guaranteed by the standard?

Arrays have to be contiguous in memory. No padding bytes may be inserted between items.
The rest follows from that.

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