open() not handling previously opened serial port gracefully?
Christopher Faylor
cgf@redhat.com
Thu Oct 31 16:31:00 GMT 2002
On Thu, Oct 31, 2002 at 07:20:06PM -0500, Pierre A. Humblet wrote:
>This fixes
>http://sources.redhat.com/ml/cygwin/2002-10/msg01792.html
Go ahead and check this in, Pierre.
Thanks for tracking it down.
cgf
>2002-10-31 Pierre Humblet <pierre.humblet@ieee.org>
>
> * fhandler.cc (fhandler_base::open): Verify pc isn't NULL.
>
>--- fhandler.cc.orig 2002-10-31 18:46:24.000000000 -0500
>+++ fhandler.cc 2002-10-31 18:47:38.000000000 -0500
>@@ -442,7 +442,7 @@ fhandler_base::open (path_conv *pc, int
>
> if (x == INVALID_HANDLE_VALUE)
> {
>- if (pc->isdir () && !wincap.can_open_directories ())
>+ if (!wincap.can_open_directories () && pc && pc->isdir ())
> {
> if (mode & (O_CREAT | O_EXCL) == (O_CREAT | O_EXCL))
> set_errno (EEXIST);
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