1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/Forward.h>
#include <AK/Userspace.h>
namespace Syscall {
struct StringArgument;
}
String copy_string_from_user(const char*, size_t);
extern "C" {
void copy_to_user(void*, const void*, size_t);
void copy_from_user(void*, const void*, size_t);
void memset_user(void*, int, size_t);
void* memcpy(void*, const void*, size_t);
int strncmp(const char* s1, const char* s2, size_t n);
char* strstr(const char* haystack, const char* needle);
int strcmp(char const*, const char*);
size_t strlen(const char*);
size_t strnlen(const char*, size_t);
void* memset(void*, int, size_t);
int memcmp(const void*, const void*, size_t);
void* memmove(void* dest, const void* src, size_t n);
const void* memmem(const void* haystack, size_t, const void* needle, size_t);
inline u16 ntohs(u16 w) { return (w & 0xff) << 8 | ((w >> 8) & 0xff); }
inline u16 htons(u16 w) { return (w & 0xff) << 8 | ((w >> 8) & 0xff); }
}
template<typename T>
inline void copy_from_user(T* dest, const T* src)
{
copy_from_user(dest, src, sizeof(T));
}
template<typename T>
inline void copy_to_user(T* dest, const T* src)
{
copy_to_user(dest, src, sizeof(T));
}
template<typename T>
inline void copy_from_user(T* dest, Userspace<const T*> src)
{
copy_from_user(dest, src.unsafe_userspace_ptr(), sizeof(T));
}
template<typename T>
inline void copy_to_user(Userspace<T*> dest, const T* src)
{
copy_to_user(dest.unsafe_userspace_ptr(), src, sizeof(T));
}
template<typename T>
inline void copy_to_user(Userspace<T*> dest, const void* src, size_t size)
{
copy_to_user(dest.unsafe_userspace_ptr(), src, size);
}
template<typename T>
inline void copy_from_user(void* dest, Userspace<const T*> src, size_t size)
{
copy_from_user(dest, src.unsafe_userspace_ptr(), size);
}
|
