xref: /netbsd-src/sys/compat/linux32/common/linux32_dirent.c (revision 8b0f9554ff8762542c4defc4f70e1eb76fb508fa)
1 /*	$NetBSD: linux32_dirent.c,v 1.3 2007/12/08 18:36:10 dsl Exp $ */
2 
3 /*-
4  * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *	This product includes software developed by Emmanuel Dreyfus
17  * 4. The name of the author may not be used to endorse or promote
18  *    products derived from this software without specific prior written
19  *    permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
23  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include <sys/cdefs.h>
35 
36 __KERNEL_RCSID(0, "$NetBSD: linux32_dirent.c,v 1.3 2007/12/08 18:36:10 dsl Exp $");
37 
38 #include <sys/types.h>
39 #include <sys/param.h>
40 #include <sys/fstypes.h>
41 #include <sys/signal.h>
42 #include <sys/dirent.h>
43 #include <sys/kernel.h>
44 #include <sys/fcntl.h>
45 #include <sys/select.h>
46 #include <sys/proc.h>
47 #include <sys/ucred.h>
48 #include <sys/swap.h>
49 
50 #include <machine/types.h>
51 
52 #include <sys/syscallargs.h>
53 
54 #include <compat/netbsd32/netbsd32.h>
55 #include <compat/netbsd32/netbsd32_conv.h>
56 #include <compat/netbsd32/netbsd32_syscallargs.h>
57 
58 #include <compat/linux/common/linux_types.h>
59 #include <compat/linux/common/linux_signal.h>
60 #include <compat/linux/common/linux_machdep.h>
61 #include <compat/linux/common/linux_misc.h>
62 #include <compat/linux/common/linux_oldolduname.h>
63 #include <compat/linux/linux_syscallargs.h>
64 
65 #include <compat/linux32/common/linux32_types.h>
66 #include <compat/linux32/common/linux32_signal.h>
67 #include <compat/linux32/common/linux32_machdep.h>
68 #include <compat/linux32/common/linux32_sysctl.h>
69 #include <compat/linux32/common/linux32_socketcall.h>
70 #include <compat/linux32/linux32_syscallargs.h>
71 
72 int
73 linux32_sys_getdents(struct lwp *l, void *v, register_t *retval)
74 {
75 	struct linux32_sys_getdents_args /* {
76 		syscallcarg(int) fd;
77 		syscallcarg(linux32_direntp_t) dent;
78 		syscallcarg(unsigned int) count;
79 	} */ *uap = v;
80 	struct linux_sys_getdents_args ua;
81 
82 	NETBSD32TO64_UAP(fd);
83 	NETBSD32TOP_UAP(dent, struct linux_dirent);
84 	NETBSD32TO64_UAP(count);
85 
86 	return linux_sys_getdents(l, &ua, retval);
87 }
88 
89 
90 int
91 linux32_sys_getdents64(struct lwp *l, void *v, register_t *retval)
92 {
93 	struct linux32_sys_getdents64_args /* {
94 		syscallcarg(int) fd;
95 		syscallcarg(linux32_dirent64p_t) dent;
96 		syscallcarg(unsigned int) count;
97 	} */ *uap = v;
98 	struct linux_sys_getdents64_args ua;
99 
100 	NETBSD32TO64_UAP(fd);
101 	NETBSD32TOP_UAP(dent, struct linux_dirent64);
102 	NETBSD32TO64_UAP(count);
103 
104 	return linux_sys_getdents64(l, &ua, retval);
105 }
106 
107