fcntl bug

[Eric Blake]

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According to Christopher Faylor on 8/30/2009 6:55 PM:
> On Sun, Aug 30, 2009 at 06:32:59PM -0600, Eric Blake wrote:
>> According to Eric Blake on 8/24/2009 9:15 AM:
>>> While we're at it, fcntl and dup2 both have another minor bug.  POSIX
>>> states that fcntl(0,F_DUPFD,10000000) should fail with EINVAL (not
>>> EBADF) and the similar dup2(0,10000000) should fail with EBADF (not
>>> EMFILE).
>> Ping.  Cygwin is currently failing a test in coreutils' 7.5 testsuite
>> because of this.
> 
> I have no intention of going to the effort of fixing these trivial
> problems.
> 
> If it is important to you then please provide a patch.

2009-09-03  Eric Blake  <ebb9@byu.net>

	* dtable.h (OPEN_MAX_MAX): New macro.
	* resource.cc (getrlimit) [RLIMIT_NOFILE]: Use it.
	* dtable.cc (dtable::extend): Likewise.
	* fcntl.cc (fcntl64): Obey POSIX rules.
	* syscalls.cc (dup2): Likewise.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             ebb9@byu.net
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