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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:16:24 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:16:24 +0000 |
commit | 9221dca64f0c8b5de72727491e41cf63e902eaab (patch) | |
tree | d8cbbf520eb4b5c656a54b2e36947008dcb751ad /gl/lib/same-inode.h | |
parent | Initial commit. (diff) | |
download | man-db-9221dca64f0c8b5de72727491e41cf63e902eaab.tar.xz man-db-9221dca64f0c8b5de72727491e41cf63e902eaab.zip |
Adding upstream version 2.8.5.upstream/2.8.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gl/lib/same-inode.h')
-rw-r--r-- | gl/lib/same-inode.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/gl/lib/same-inode.h b/gl/lib/same-inode.h new file mode 100644 index 0000000..06655b6 --- /dev/null +++ b/gl/lib/same-inode.h @@ -0,0 +1,47 @@ +/* Determine whether two stat buffers are known to refer to the same file. + + Copyright (C) 2006, 2009-2019 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU 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 |