avoid linux 2.6.14 was: Re: 9.3.2b1 errno2result.c:109: unexpected error: unable to convert errno to isc_result: 14: Bad address

[Danny Mayer]

Paul Vixie wrote:
> # > # Using if (len <= 0) is safe even if len cannot be <0.
> # > 
> # > safe, but wrong.
> # 
> # I've seen cases where len is defined as an int and then value of len is
> # -1 if the function that assigns it fails. Bad code practice, of course,
> # but we weren't provided a lot of information.
> 
> you said "cannot be <0".  in that case you'd ASSERT() that requirement.
> if -1 is used as a magic cookie then that's probably ugly but not wrong.
> 

Agreed.