'int' is enough for 'length' to migrate code from x86 to x64

[Araq via Digitalmars-d]

> no, the problem 2 just becomes hidden. while the given code 
> works most
> of the time, it is still broken.

You cannot handle stack overflow in C reliably or out of memory
conditions so "fails in extreme edge cases" is true for every
piece of software.

"broken" is not a black-white thing. "Works most of the time"
surely is much more useful than "doesn't work". Otherwise you
would throw away your phone the first time you get a busy signal.