/* Determine whether two stat buffers are known to refer to the same file.    Copyright (C) 2006-2026 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