1 /* Get file status. Linux version.
2 Copyright (C) 2020-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #include <sys/stat.h>
20 #include <kernel_stat.h>
21 #include <sysdep.h>
22
23 #if !XSTAT_IS_XSTAT64
24 # include <kstat_cp.h>
25
26 int
__fstatat(int fd,const char * file,struct stat * buf,int flag)27 __fstatat (int fd, const char *file, struct stat *buf, int flag)
28 {
29 struct __stat64_t64 st64;
30 int r = __fstatat64_time64 (fd, file, &st64, flag);
31 if (r == 0)
32 {
33 if (! in_ino_t_range (st64.st_ino)
34 || ! in_off_t_range (st64.st_size)
35 || ! in_blkcnt_t_range (st64.st_blocks)
36 || ! in_time_t_range (st64.st_atim.tv_sec)
37 || ! in_time_t_range (st64.st_mtim.tv_sec)
38 || ! in_time_t_range (st64.st_ctim.tv_sec))
39 return INLINE_SYSCALL_ERROR_RETURN_VALUE (EOVERFLOW);
40
41 /* Clear internal pad and reserved fields. */
42 memset (buf, 0, sizeof (*buf));
43
44 buf->st_dev = st64.st_dev;
45 buf->st_ino = st64.st_ino;
46 buf->st_mode = st64.st_mode;
47 buf->st_nlink = st64.st_nlink;
48 buf->st_uid = st64.st_uid;
49 buf->st_gid = st64.st_gid;
50 buf->st_rdev = st64.st_rdev;
51 buf->st_size = st64.st_size;
52 buf->st_blksize = st64.st_blksize;
53 buf->st_blocks = st64.st_blocks;
54 buf->st_atim = valid_timespec64_to_timespec (st64.st_atim);
55 buf->st_mtim = valid_timespec64_to_timespec (st64.st_mtim);
56 buf->st_ctim = valid_timespec64_to_timespec (st64.st_ctim);
57 }
58 return r;
59 }
60
61 weak_alias (__fstatat, fstatat)
62 #endif
63