1 files changed, 69 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/fdopen.c b/sysdeps/mach/hurd/fdopen.c
new file mode 100644
index 0000000000..3fdd742a59
--- /dev/null
+++ b/sysdeps/mach/hurd/fdopen.c
@@ -0,0 +1,69 @@
+/* Copyright (C) 1991, 1994, 1995 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <hurd/fd.h>
+#include <fcntl.h>
+#include <hurd/io.h>
+
+/* Defined in fopen.c.  */
+extern int EXFUN(__getmode, (CONST char *mode, __io_mode *mptr));
+
+/* Open a new stream on a given system file descriptor.  */
+FILE *
+DEFUN(fdopen, (fd, mode), int fd AND CONST char *mode)
+{
+  FILE *stream;
+  __io_mode m;
+  struct hurd_fd *d;
+  error_t err;
+  int openmodes;
+
+  if (!__getmode (mode, &m))
+    return NULL;
+
+  HURD_CRITICAL_BEGIN;
+  d = _hurd_fd_get (fd);
+  if (d == NULL)
+    err = EBADF;
+  else
+    err = HURD_FD_PORT_USE (d, __io_get_openmodes (port, &openmodes));
+  HURD_CRITICAL_END;
+
+  if (err)
+    return __hurd_dfail (fd, err), NULL;
+
+  /* Check the access mode.  */
+  if ((m.__read && !(openmodes & O_READ)) ||
+      (m.__write && !(openmodes & O_WRITE)))
+    {
+      errno = EBADF;
+      return NULL;
+    }
+
+  stream = __newstream ();
+  if (stream == NULL)
+    return NULL;
+
+  stream->__cookie = d;
+  stream->__mode = m;
+
+  return stream;
+}