xref: /illumos-gate/usr/src/uts/common/syscall/uucopy.c (revision 9acbbeaf)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <sys/systm.h>
29 
30 int
uucopy(const void * from,void * to,size_t size)31 uucopy(const void *from, void *to, size_t size)
32 {
33 	label_t ljb;
34 
35 	if (on_fault(&ljb))
36 		return (set_errno(EFAULT));
37 
38 	ucopy(from, to, size);
39 
40 	no_fault();
41 
42 	return (0);
43 }
44 
45 ssize_t
uucopystr(const char * from,char * to,size_t size)46 uucopystr(const char *from, char *to, size_t size)
47 {
48 	label_t ljb;
49 	size_t len;
50 
51 	if (on_fault(&ljb))
52 		return (set_errno(EFAULT));
53 
54 	ucopystr(from, to, size, &len);
55 
56 	no_fault();
57 
58 	return ((ssize_t)len);
59 }
60