On Aug 22, 2015, at 10:34 AM, Timo Buhrmester <[email protected]> wrote:

>> Look at it again ...
>> 
>>>  | +    oerrno = errno, errno = 0;
> Oh, you're right, that should of course happen at the beginning of the 
> function.  Good catch, my bad.

As written, that line is equivalent to:

oerrno = errno = 0;

Did you want?

oerrno = errno;
errno = 0;

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