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- /* Determine whether two stat buffers are known to refer to the same file.
- Copyright (C) 2006, 2009-2021 Free Software Foundation, Inc.
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <https://www.gnu.org/licenses/>. */
- #ifndef SAME_INODE_H
- # define SAME_INODE_H 1
- # include <sys/types.h>
- # if defined __VMS && __CRTL_VER < 80200000
- # define SAME_INODE(a, b) \
- ((a).st_ino[0] == (b).st_ino[0] \
- && (a).st_ino[1] == (b).st_ino[1] \
- && (a).st_ino[2] == (b).st_ino[2] \
- && (a).st_dev == (b).st_dev)
- # elif defined _WIN32 && ! defined __CYGWIN__
- /* Native Windows. */
- # if _GL_WINDOWS_STAT_INODES
- /* stat() and fstat() set st_dev and st_ino to 0 if information about
- the inode is not available. */
- # define SAME_INODE(a, b) \
- (!((a).st_ino == 0 && (a).st_dev == 0) \
- && (a).st_ino == (b).st_ino && (a).st_dev == (b).st_dev)
- # else
- /* stat() and fstat() set st_ino to 0 always. */
- # define SAME_INODE(a, b) 0
- # endif
- # else
- # define SAME_INODE(a, b) \
- ((a).st_ino == (b).st_ino \
- && (a).st_dev == (b).st_dev)
- # endif
- #endif
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