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- /* Copyright (C) 1991, 1994 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;
-
- d = _hurd_fd_get (fd);
- if (d == NULL)
- {
- errno = EBADF;
- return NULL;
- }
-
- if (err = HURD_FD_PORT_USE (d, __io_get_openmodes (port, &openmodes)))
- 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;
- }
-