1 /*
2 * Copyright (c) 2017, Google Inc. All rights reserved
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files
6 * (the "Software"), to deal in the Software without restriction,
7 * including without limitation the rights to use, copy, modify, merge,
8 * publish, distribute, sublicense, and/or sell copies of the Software,
9 * and to permit persons to whom the Software is furnished to do so,
10 * subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22 */
23
24 #ifndef __USERCOPY_H
25 #define __USERCOPY_H
26
27 #include <compiler.h>
28 #include <sys/types.h>
29 #include <arch/usercopy.h>
30
copy_from_user(void * kdest,user_addr_t usrc,size_t len)31 static inline __WARN_UNUSED_RESULT status_t copy_from_user(void *kdest, user_addr_t usrc, size_t len)
32 {
33 return arch_copy_from_user(kdest, usrc, len);
34 }
35
copy_to_user(user_addr_t udest,const void * ksrc,size_t len)36 static inline __WARN_UNUSED_RESULT status_t copy_to_user(user_addr_t udest, const void *ksrc, size_t len)
37 {
38 return arch_copy_to_user(udest, ksrc, len);
39 }
40
strlcpy_from_user(char * kdest,user_addr_t usrc,size_t len)41 static inline __WARN_UNUSED_RESULT ssize_t strlcpy_from_user(char *kdest, user_addr_t usrc, size_t len)
42 {
43 return arch_strlcpy_from_user(kdest, usrc, len);
44 }
45
46 #endif /* __USERCOPY_H */
47