Re: RFT: *printf-posix modules

[Bruno Haible]

Eric Blake wrote:
> Output wise, I've only seen a hex constant, but input wise, gcc's
> __builtin_nan parses octal and decimal as well.  Therefore, on systems
> where long double is 128 bits (mantissa is 112 bits excluding the implied
> 1 in normal numbers), a worst-case representation is 5 bytes for nan(),
> plus 39 bytes for the octal representation with the 112th bit set, plus 1
> byte for a sign.  So I think you need at least %046f before you can
> guarantee that the 0 flag was handled correctly on a long double NaN.

OK, I'm changing the 20 bytes limit to 50 bytes.

Bruno