]>
Commit | Line | Data |
---|---|---|
ebbad4cc UD |
1 | /* Copyright (C) 1991, 1994, 1995, 1997 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
28f540f4 | 3 | |
ebbad4cc UD |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Library General Public License as | |
6 | published by the Free Software Foundation; either version 2 of the | |
7 | License, or (at your option) any later version. | |
28f540f4 | 8 | |
ebbad4cc UD |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Library General Public License for more details. | |
28f540f4 | 13 | |
ebbad4cc UD |
14 | You should have received a copy of the GNU Library General Public |
15 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
16 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
17 | Boston, MA 02111-1307, USA. */ | |
28f540f4 | 18 | |
28f540f4 RM |
19 | #include <errno.h> |
20 | #include <stdio.h> | |
21 | #include <hurd/fd.h> | |
22 | #include <fcntl.h> | |
23 | #include <hurd/io.h> | |
24 | ||
25 | /* Defined in fopen.c. */ | |
ebbad4cc | 26 | extern int __getmode __P ((const char *mode, __io_mode *mptr)); |
28f540f4 RM |
27 | |
28 | /* Open a new stream on a given system file descriptor. */ | |
29 | FILE * | |
7ce241a0 | 30 | __fdopen (fd, mode) |
ebbad4cc UD |
31 | int fd; |
32 | const char *mode; | |
28f540f4 RM |
33 | { |
34 | FILE *stream; | |
35 | __io_mode m; | |
36 | struct hurd_fd *d; | |
37 | error_t err; | |
38 | int openmodes; | |
39 | ||
40 | if (!__getmode (mode, &m)) | |
41 | return NULL; | |
42 | ||
43 | HURD_CRITICAL_BEGIN; | |
44 | d = _hurd_fd_get (fd); | |
45 | if (d == NULL) | |
46 | err = EBADF; | |
47 | else | |
48 | err = HURD_FD_PORT_USE (d, __io_get_openmodes (port, &openmodes)); | |
49 | HURD_CRITICAL_END; | |
50 | ||
51 | if (err) | |
52 | return __hurd_dfail (fd, err), NULL; | |
53 | ||
54 | /* Check the access mode. */ | |
55 | if ((m.__read && !(openmodes & O_READ)) || | |
56 | (m.__write && !(openmodes & O_WRITE))) | |
57 | { | |
58 | errno = EBADF; | |
59 | return NULL; | |
60 | } | |
61 | ||
62 | stream = __newstream (); | |
63 | if (stream == NULL) | |
64 | return NULL; | |
65 | ||
66 | stream->__cookie = d; | |
67 | stream->__mode = m; | |
68 | ||
69 | return stream; | |
70 | } | |
7ce241a0 UD |
71 | |
72 | weak_alias (__fdopen, fdopen) |