1/* Convert between `struct stat' format, and `struct stat64' format.
2 Copyright (C) 2000-2024 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 <errno.h>
20#include <sys/stat.h>
21#include <hurd.h>
22
23static inline int
24stat64_conv (struct stat *buf, const struct stat64 *buf64)
25{
26 if (sizeof *buf == sizeof *buf64
27 && sizeof buf->st_ino == sizeof buf64->st_ino
28 && sizeof buf->st_size == sizeof buf64->st_size
29 && sizeof buf->st_blocks == sizeof buf64->st_blocks)
30 {
31 *buf = *(struct stat *) buf64;
32 return 0;
33 }
34
35 buf->st_fstype = buf64->st_fstype;
36 buf->st_fsid = buf64->st_fsid;
37 buf->st_ino = buf64->st_ino;
38 buf->st_gen = buf64->st_gen;
39 buf->st_rdev = buf64->st_rdev;
40 buf->st_mode = buf64->st_mode;
41 buf->st_nlink = buf64->st_nlink;
42 buf->st_uid = buf64->st_uid;
43 buf->st_gid = buf64->st_gid;
44 buf->st_size = buf64->st_size;
45 buf->st_atim = buf64->st_atim;
46 buf->st_mtim = buf64->st_mtim;
47 buf->st_ctim = buf64->st_ctim;
48 buf->st_blksize = buf64->st_blksize;
49 buf->st_blocks = buf64->st_blocks;
50 buf->st_author = buf64->st_author;
51 buf->st_flags = buf64->st_flags;
52
53 if ((sizeof buf->st_ino != sizeof buf64->st_ino
54 && buf->st_ino != buf64->st_ino)
55 || (sizeof buf->st_size != sizeof buf64->st_size
56 && buf->st_size != buf64->st_size)
57 || (sizeof buf->st_blocks != sizeof buf64->st_blocks
58 && buf->st_blocks != buf64->st_blocks))
59 return __hurd_fail (EOVERFLOW);
60
61 return 0;
62}
63

source code of glibc/sysdeps/mach/hurd/statconv.c