Add a native updatedb.

[plocate] / bind-mount.h

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+/* Bind mount detection.
+
+Copyright (C) 2005, 2007, 2008 Red Hat, Inc. All rights reserved.
+This copyrighted material is made available to anyone wishing to use, modify,
+copy, or redistribute it subject to the terms and conditions of the GNU General
+Public License v.2.
+
+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, write to the Free Software Foundation, Inc., 51 Franklin
+Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+Author: Miloslav Trmac <mitr@redhat.com>
+
+plocate modifications: Copyright (C) 2020 Steinar H. Gunderson.
+plocate parts and modifications are licensed under the GPLv2 or, at your option,
+any later version.
+*/
+
+#ifndef BIND_MOUNT_H__
+#define BIND_MOUNT_H__
+
+/* System mount information file */
+#define MOUNTINFO_PATH "/proc/self/mountinfo"
+
+/* Return true if PATH is a destination of a bind mount.
+   (Bind mounts "to self" are ignored.) */
+extern bool is_bind_mount(const char *path);
+
+/* Initialize state for is_bind_mount(), to read data from MOUNTINFO. */
+extern void bind_mount_init(const char *mountinfo);
+
+#endif