1 /* Struct stat/stat64 to stat/stat64 conversion for Linux.
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 
22 static inline long int
__cp_kstat_stat(const struct kernel_stat * kst,struct stat * st)23 __cp_kstat_stat (const struct kernel_stat *kst, struct stat *st)
24 {
25   if (! in_ino_t_range (kst->st_ino)
26       || ! in_off_t_range (kst->st_size)
27       || ! in_blkcnt_t_range (kst->st_blocks))
28     return -EOVERFLOW;
29 
30   st->st_dev = kst->st_dev;
31   memset (&st->st_pad1, 0, sizeof (st->st_pad1));
32   st->st_ino = kst->st_ino;
33   st->st_mode = kst->st_mode;
34   st->st_nlink = kst->st_nlink;
35   st->st_uid = kst->st_uid;
36   st->st_gid = kst->st_gid;
37   st->st_rdev = kst->st_rdev;
38   memset (&st->st_pad2, 0, sizeof (st->st_pad2));
39   st->st_size = kst->st_size;
40   st->st_pad3 = 0;
41   st->st_atim.tv_sec = kst->st_atime_sec;
42   st->st_atim.tv_nsec = kst->st_atime_nsec;
43   st->st_mtim.tv_sec = kst->st_mtime_sec;
44   st->st_mtim.tv_nsec = kst->st_mtime_nsec;
45   st->st_ctim.tv_sec = kst->st_ctime_sec;
46   st->st_ctim.tv_nsec = kst->st_ctime_nsec;
47   st->st_blksize = kst->st_blksize;
48   st->st_blocks = kst->st_blocks;
49   memset (&st->st_pad5, 0, sizeof (st->st_pad5));
50 
51   return 0;
52 }
53 
54 static inline void
__cp_kstat_stat64_t64(const struct kernel_stat * kst,struct __stat64_t64 * st)55 __cp_kstat_stat64_t64 (const struct kernel_stat *kst, struct __stat64_t64 *st)
56 {
57   st->st_dev = kst->st_dev;
58   st->st_ino = kst->st_ino;
59   st->st_mode = kst->st_mode;
60   st->st_nlink = kst->st_nlink;
61   st->st_uid = kst->st_uid;
62   st->st_gid = kst->st_gid;
63   st->st_rdev = kst->st_rdev;
64   st->st_size = kst->st_size;
65   st->st_blksize = kst->st_blksize;
66   st->st_blocks = kst->st_blocks;
67   st->st_atim.tv_sec = kst->st_atime_sec;
68   st->st_atim.tv_nsec = kst->st_atime_nsec;
69   st->st_mtim.tv_sec = kst->st_mtime_sec;
70   st->st_mtim.tv_nsec = kst->st_mtime_nsec;
71   st->st_ctim.tv_sec = kst->st_ctime_sec;
72   st->st_ctim.tv_nsec = kst->st_ctime_nsec;
73 }
74