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      1 /* $NetBSD: vfs_syscalls_10.c,v 1.5 2019/12/12 02:15:42 pgoyette Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2018 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Paul Goyette
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: vfs_syscalls_10.c,v 1.5 2019/12/12 02:15:42 pgoyette Exp $");
     34 
     35 #if defined(_KERNEL_OPT)
     36 #include "opt_compat_netbsd.h"
     37 #endif
     38 
     39 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/namei.h>
     42 #include <sys/vfs_syscalls.h>
     43 #include <sys/compat_stub.h>
     44 
     45 #include <compat/common/compat_mod.h>
     46 
     47 static int
     48 real_sys_openat_10(struct pathbuf **pb)
     49 {
     50 
     51 	*pb = pathbuf_create(".");
     52 	return (*pb == NULL ? ENOMEM : 0);
     53 }
     54 
     55 void vfs_syscalls_10_init(void)
     56 {
     57 
     58 	MODULE_HOOK_SET(vfs_openat_10_hook, real_sys_openat_10);
     59 }
     60 
     61 void vfs_syscalls_10_fini(void)
     62 {
     63 
     64 	MODULE_HOOK_UNSET(vfs_openat_10_hook);
     65 }
     66