/* Determine whether two stat buffers are known to refer to the same file. Copyright (C) 2006, 2009-2022 Free Software Foundation, Inc. This file is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This file 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser 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