Re: Fix size_max macro

[Bruno Haible]

Paul Eggert wrote:
> The basic idea seems fine, but isn't that off by a factor of 2?  It defines
> size_t_bits_minus_2 = sizeof (size_t) * CHAR_BIT - 2
> and then defines SIZE_MAX to (((1U << $size_t_bits_minus_2) - 1) * 2 + 1).
> Unless I'm missing something, on a 32-bit host, that will set SIZE_MAX
> to 2147483647 instead of the correct value.

Oops, you're right, of course. The "minus 2" is for a signed type. The
formula for an unsigned type is "minus 1". Thanks, I'm correcting it.

Bruno