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1 | /* Copyright (C) 2005 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
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 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
15 | License along with the GNU C Library; if not, write to the Free | |
16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
17 | 02111-1307 USA. */ | |
18 | ||
19 | #include <errno.h> | |
20 | #include <fcntl.h> | |
21 | #include <stdarg.h> | |
22 | #include <stddef.h> | |
23 | #include <sys/stat.h> | |
24 | ||
25 | /* Open FILE with access OFLAG. Interpret relative paths relative to | |
26 | the directory associated with FD. If OFLAG includes O_CREAT, a | |
27 | third argument is the file protection. */ | |
28 | int | |
29 | openat (fd, file, oflag) | |
30 | int fd; | |
31 | const char *file; | |
32 | int oflag; | |
33 | { | |
34 | int mode; | |
35 | ||
36 | if (file == NULL) | |
37 | { | |
38 | __set_errno (EINVAL); | |
39 | return -1; | |
40 | } | |
41 | ||
26cec518 | 42 | if (fd != AT_FDCWD && file[0] != '/') |
4973cbe5 UD |
43 | { |
44 | /* Check FD is associated with a directory. */ | |
45 | struct stat64 st; | |
46 | if (__fxstat64 (_STAT_VER, fd, &st) != 0) | |
47 | return -1; | |
48 | ||
49 | if (!S_ISDIR (st.st_mode)) | |
50 | { | |
51 | __set_errno (ENOTDIR); | |
52 | return -1; | |
53 | } | |
54 | } | |
55 | ||
56 | if (oflag & O_CREAT) | |
57 | { | |
58 | va_list arg; | |
59 | va_start (arg, oflag); | |
60 | mode = va_arg (arg, int); | |
61 | va_end (arg); | |
62 | } | |
63 | ||
64 | __set_errno (ENOSYS); | |
65 | return -1; | |
66 | } | |
67 | stub_warning (openat) | |
68 | ||
69 | #include <stub-tag.h> |