xf.li | bfc6e71 | 2025-02-07 01:54:34 -0800 | [diff] [blame^] | 1 | /* Convert between `struct stat' format, and `struct stat64' format. |
| 2 | Copyright (C) 2000-2016 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 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <errno.h> |
| 20 | #include <sys/stat.h> |
| 21 | |
| 22 | static inline int |
| 23 | xstat64_conv (struct stat *buf, const struct stat64 *buf64) |
| 24 | { |
| 25 | if (sizeof *buf == sizeof *buf64 |
| 26 | && sizeof buf->st_ino == sizeof buf64->st_ino |
| 27 | && sizeof buf->st_size == sizeof buf64->st_size |
| 28 | && sizeof buf->st_blocks == sizeof buf64->st_blocks) |
| 29 | { |
| 30 | *buf = *(struct stat *) buf64; |
| 31 | return 0; |
| 32 | } |
| 33 | |
| 34 | buf->st_fstype = buf64->st_fstype; |
| 35 | buf->st_fsid = buf64->st_fsid; |
| 36 | buf->st_ino = buf64->st_ino; |
| 37 | buf->st_gen = buf64->st_gen; |
| 38 | buf->st_rdev = buf64->st_rdev; |
| 39 | buf->st_mode = buf64->st_mode; |
| 40 | buf->st_nlink = buf64->st_nlink; |
| 41 | buf->st_uid = buf64->st_uid; |
| 42 | buf->st_gid = buf64->st_gid; |
| 43 | buf->st_size = buf64->st_size; |
| 44 | buf->st_atim = buf64->st_atim; |
| 45 | buf->st_mtim = buf64->st_mtim; |
| 46 | buf->st_ctim = buf64->st_ctim; |
| 47 | buf->st_blksize = buf64->st_blksize; |
| 48 | buf->st_blocks = buf64->st_blocks; |
| 49 | buf->st_author = buf64->st_author; |
| 50 | buf->st_flags = buf64->st_flags; |
| 51 | |
| 52 | if ((sizeof buf->st_ino != sizeof buf64->st_ino |
| 53 | && buf->st_ino != buf64->st_ino) |
| 54 | || (sizeof buf->st_size != sizeof buf64->st_size |
| 55 | && buf->st_size != buf64->st_size) |
| 56 | || (sizeof buf->st_blocks != sizeof buf64->st_blocks |
| 57 | && buf->st_blocks != buf64->st_blocks)) |
| 58 | { |
| 59 | __set_errno (EOVERFLOW); |
| 60 | return -1; |
| 61 | } |
| 62 | |
| 63 | return 0; |
| 64 | } |