summaryrefslogtreecommitdiffstats
path: root/lib/same-inode.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:25:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:25:44 +0000
commitb3925d944ed94cc76bbcbb14a799ec9beeb8d1bf (patch)
treea5e5ccdbc84294390695b5ae3a8c89cc16e6cbae /lib/same-inode.h
parentInitial commit. (diff)
downloadwget-b3925d944ed94cc76bbcbb14a799ec9beeb8d1bf.tar.xz
wget-b3925d944ed94cc76bbcbb14a799ec9beeb8d1bf.zip
Adding upstream version 1.21.4.upstream/1.21.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/same-inode.h')
-rw-r--r--lib/same-inode.h47
1 files changed, 47 insertions, 0 deletions
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 <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