master
 1/* Struct stat/stat64 to stat/stat64 conversion for Linux.
 2   Copyright (C) 2020-2025 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 <stat_t64_cp.h>
20#include <string.h>
21#include <errno.h>
22#include <time.h>
23
24#if __TIMESIZE != 64
25int
26__cp_stat64_t64_stat64 (const struct __stat64_t64 *st64_t64,
27			struct stat64 *st64)
28{
29  if (! in_time_t_range (st64_t64->st_atim.tv_sec)
30      || ! in_time_t_range (st64_t64->st_mtim.tv_sec)
31      || ! in_time_t_range (st64_t64->st_ctim.tv_sec))
32    {
33      __set_errno (EOVERFLOW);
34      return -1;
35    }
36
37  /* Clear both pad and reserved fields.  */
38  memset (st64, 0, sizeof (*st64));
39
40  st64->st_dev = st64_t64->st_dev,
41  st64->st_ino = st64_t64->st_ino;
42  st64->st_mode = st64_t64->st_mode;
43  st64->st_nlink = st64_t64->st_nlink;
44  st64->st_uid = st64_t64->st_uid;
45  st64->st_gid = st64_t64->st_gid;
46  st64->st_rdev = st64_t64->st_rdev;
47  st64->st_size = st64_t64->st_size;
48  st64->st_blksize = st64_t64->st_blksize;
49  st64->st_blocks  = st64_t64->st_blocks;
50  st64->st_atim = valid_timespec64_to_timespec (st64_t64->st_atim);
51  st64->st_mtim = valid_timespec64_to_timespec (st64_t64->st_mtim);
52  st64->st_ctim = valid_timespec64_to_timespec (st64_t64->st_ctim);
53
54  return 0;
55}
56#endif