1 files changed, 58 insertions, 0 deletions
diff --git a/REORG.TODO/hurd/getdport.c b/REORG.TODO/hurd/getdport.c
new file mode 100644
index 0000000000..d400a9f62d
--- /dev/null
+++ b/REORG.TODO/hurd/getdport.c
@@ -0,0 +1,58 @@
+/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <hurd.h>
+
+/* This is initialized in dtable.c when that gets linked in.
+   If dtable.c is not linked in, it will be zero.  */
+static file_t (*_default_hurd_getdport_fn) (int fd) = 0;
+weak_alias (_default_hurd_getdport_fn, _hurd_getdport_fn)
+
+file_t
+__getdport (int fd)
+{
+  if (_hurd_getdport_fn)
+    /* dtable.c has defined the function to fetch a port from the real file
+       descriptor table.  */
+    return (*_hurd_getdport_fn) (fd);
+
+  /* getdport is the only use of file descriptors,
+     so we don't bother allocating a real table.  */
+
+  if (_hurd_init_dtable == NULL)
+    {
+      /* Never had a descriptor table.  */
+      errno = EBADF;
+      return MACH_PORT_NULL;
+    }
+
+  if (fd < 0 || (unsigned int) fd > _hurd_init_dtablesize ||
+      _hurd_init_dtable[fd] == MACH_PORT_NULL)
+    {
+      errno = EBADF;
+      return MACH_PORT_NULL;
+    }
+  else
+    {
+      __mach_port_mod_refs (__mach_task_self (), _hurd_init_dtable[fd],
+			    MACH_PORT_RIGHT_SEND, 1);
+      return _hurd_init_dtable[fd];
+    }
+}
+
+weak_alias (__getdport, getdport)