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ddfd0535 | 1 | /* Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc. |
4973cbe5 UD |
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> | |
ddfd0535 | 23 | #include <stdio.h> |
4973cbe5 UD |
24 | #include <sys/stat.h> |
25 | ||
26 | /* Open FILE with access OFLAG. Interpret relative paths relative to | |
27 | the directory associated with FD. If OFLAG includes O_CREAT, a | |
28 | third argument is the file protection. */ | |
29 | int | |
e2c7e1de | 30 | __openat (fd, file, oflag) |
4973cbe5 UD |
31 | int fd; |
32 | const char *file; | |
33 | int oflag; | |
34 | { | |
35 | int mode; | |
36 | ||
37 | if (file == NULL) | |
38 | { | |
39 | __set_errno (EINVAL); | |
40 | return -1; | |
41 | } | |
42 | ||
26cec518 | 43 | if (fd != AT_FDCWD && file[0] != '/') |
4973cbe5 UD |
44 | { |
45 | /* Check FD is associated with a directory. */ | |
46 | struct stat64 st; | |
47 | if (__fxstat64 (_STAT_VER, fd, &st) != 0) | |
48 | return -1; | |
49 | ||
50 | if (!S_ISDIR (st.st_mode)) | |
51 | { | |
52 | __set_errno (ENOTDIR); | |
53 | return -1; | |
54 | } | |
55 | } | |
56 | ||
57 | if (oflag & O_CREAT) | |
58 | { | |
59 | va_list arg; | |
60 | va_start (arg, oflag); | |
61 | mode = va_arg (arg, int); | |
62 | va_end (arg); | |
63 | } | |
64 | ||
65 | __set_errno (ENOSYS); | |
66 | return -1; | |
67 | } | |
e2c7e1de RM |
68 | libc_hidden_def (__openat) |
69 | weak_alias (__openat, openat) | |
4973cbe5 UD |
70 | stub_warning (openat) |
71 | ||
ddfd0535 UD |
72 | |
73 | int | |
74 | __openat_2 (fd, file, oflag) | |
75 | int fd; | |
76 | const char *file; | |
77 | int oflag; | |
78 | { | |
79 | if (oflag & O_CREAT) | |
80 | __fortify_fail ("invalid openat call: O_CREAT without mode"); | |
81 | ||
3d7eeebe | 82 | return __openat (fd, file, oflag); |
ddfd0535 UD |
83 | } |
84 | stub_warning (__openat_2) | |
85 | ||
4973cbe5 | 86 | #include <stub-tag.h> |