Re: [Nmh-workers] corruption when attaching all-null files

[Ken Hornstein]

>A file of all \0 wouldn't match any of these cases (contains8bit only
>gets set if the function fails isascii(), which is between 0 and 127.).
>I think we need a new test (isvalid7bit?  Have to think about it).

Also ... we use fgets() to read in the file we're scanning.  We'll fail
with NULs when it comes to that.  It looks like we should be using
getline() instead.  Is that pretty common nowadays?  Looks like it's
part of POSIX, but at least one older system I have access to doesn't
have it.  Sigh.

--Ken