From b3925d944ed94cc76bbcbb14a799ec9beeb8d1bf Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 22:25:44 +0200 Subject: Adding upstream version 1.21.4. Signed-off-by: Daniel Baumann --- lib/same-inode.h | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 lib/same-inode.h (limited to 'lib/same-inode.h') diff --git a/lib/same-inode.h b/lib/same-inode.h new file mode 100644 index 0000000..10964f0 --- /dev/null +++ b/lib/same-inode.h @@ -0,0 +1,47 @@ +/* Determine whether two stat buffers are known to refer to the same file. + + Copyright (C) 2006, 2009-2023 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 . */ + +#ifndef SAME_INODE_H +# define SAME_INODE_H 1 + +# include + +# 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 -- cgit v1.2.3