summaryrefslogtreecommitdiff
path: root/tests/same-inode.h
diff options
context:
space:
mode:
authorJörg Frings-Fürst <debian@jff.email>2022-01-08 11:51:07 +0100
committerJörg Frings-Fürst <debian@jff.email>2022-01-08 11:51:07 +0100
commitbe8efac78d067c138ad8dda03df4336e73f94887 (patch)
tree5f5254a628ba0ef72065b93d949d1c985742ea8e /tests/same-inode.h
parent7b65dbd4ebade81d504cfe5e681292a58ad1fdf0 (diff)
New upstream version 1.0upstream/1.0
Diffstat (limited to 'tests/same-inode.h')
-rw-r--r--tests/same-inode.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/tests/same-inode.h b/tests/same-inode.h
new file mode 100644
index 0000000..f65f3d0
--- /dev/null
+++ b/tests/same-inode.h
@@ -0,0 +1,47 @@
+/* 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