Re: [bug-gnulib] Re: base64

[Paul Eggert]

Simon Josefsson <address@hidden> writes:

>   size_t outlen = xsum (1, xtimes (xmax (inlen, inlen + 2) / 3, 4));

Sorry, I don't really follow this.  What is the xmax (inlen, inlen +
2) doing?  Why isn't it xsum (inlen, 2)?  Perhaps a comment would be
helpful, saying how many bytes you need (mathematically speaking) and
what the overflow checking is trying to do.  Personally I'd rather
avoid xsize.h entirely, but I can't suggest how to do that unless I
know what the code really wants to do here.