rustix 0.37.23

Safe Rust bindings to POSIX/Unix/Linux/Winsock2-like syscalls
Documentation 
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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197

use crate::{backend, io, path};
use backend::c;
use backend::fd::AsFd;
use bitflags::bitflags;

bitflags! {
    /// `XATTR_*` constants for use with [`setxattr`], and other `*setxattr`
    /// functions.
    pub struct XattrFlags: c::c_uint {
        /// `XATTR_CREATE`
        const CREATE = c::XATTR_CREATE as c::c_uint;

        /// `XATTR_REPLACE`
        const REPLACE = c::XATTR_REPLACE as c::c_uint;
    }
}

/// `getxattr(path, name, value.as_ptr(), value.len())`—Get extended
/// filesystem attributes.
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/getxattr.2.html
#[inline]
pub fn getxattr<P: path::Arg, Name: path::Arg>(
    path: P,
    name: Name,
    value: &mut [u8],
) -> io::Result<usize> {
    path.into_with_c_str(|path| {
        name.into_with_c_str(|name| backend::fs::syscalls::getxattr(path, name, value))
    })
}

/// `lgetxattr(path, name, value.as_ptr(), value.len())`—Get extended
/// filesystem attributes, without following symlinks in the last path
/// component.
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/lgetxattr.2.html
#[inline]
pub fn lgetxattr<P: path::Arg, Name: path::Arg>(
    path: P,
    name: Name,
    value: &mut [u8],
) -> io::Result<usize> {
    path.into_with_c_str(|path| {
        name.into_with_c_str(|name| backend::fs::syscalls::lgetxattr(path, name, value))
    })
}

/// `fgetxattr(fd, name, value.as_ptr(), value.len())`—Get extended
/// filesystem attributes on an open file descriptor.
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/fgetxattr.2.html
#[inline]
pub fn fgetxattr<Fd: AsFd, Name: path::Arg>(
    fd: Fd,
    name: Name,
    value: &mut [u8],
) -> io::Result<usize> {
    name.into_with_c_str(|name| backend::fs::syscalls::fgetxattr(fd.as_fd(), name, value))
}

/// `setxattr(path, name, value.as_ptr(), value.len(), flags)`—Set extended
/// filesystem attributes.
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/setxattr.2.html
#[inline]
pub fn setxattr<P: path::Arg, Name: path::Arg>(
    path: P,
    name: Name,
    value: &[u8],
    flags: XattrFlags,
) -> io::Result<()> {
    path.into_with_c_str(|path| {
        name.into_with_c_str(|name| backend::fs::syscalls::setxattr(path, name, value, flags))
    })
}

/// `setxattr(path, name, value.as_ptr(), value.len(), flags)`—Set extended
/// filesystem attributes, without following symlinks in the last path
/// component.
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/lsetxattr.2.html
#[inline]
pub fn lsetxattr<P: path::Arg, Name: path::Arg>(
    path: P,
    name: Name,
    value: &[u8],
    flags: XattrFlags,
) -> io::Result<()> {
    path.into_with_c_str(|path| {
        name.into_with_c_str(|name| backend::fs::syscalls::lsetxattr(path, name, value, flags))
    })
}

/// `fsetxattr(fd, name, value.as_ptr(), value.len(), flags)`—Set extended
/// filesystem attributes on an open file descriptor.
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/fsetxattr.2.html
#[inline]
pub fn fsetxattr<Fd: AsFd, Name: path::Arg>(
    fd: Fd,
    name: Name,
    value: &[u8],
    flags: XattrFlags,
) -> io::Result<()> {
    name.into_with_c_str(|name| backend::fs::syscalls::fsetxattr(fd.as_fd(), name, value, flags))
}

/// `listxattr(path, list.as_ptr(), list.len())`—List extended filesystem
/// attributes.
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/listxattr.2.html
#[inline]
pub fn listxattr<P: path::Arg>(path: P, list: &mut [c::c_char]) -> io::Result<usize> {
    path.into_with_c_str(|path| backend::fs::syscalls::listxattr(path, list))
}

/// `llistxattr(path, list.as_ptr(), list.len())`—List extended filesystem
/// attributes, without following symlinks in the last path component.
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/llistxattr.2.html
#[inline]
pub fn llistxattr<P: path::Arg>(path: P, list: &mut [c::c_char]) -> io::Result<usize> {
    path.into_with_c_str(|path| backend::fs::syscalls::llistxattr(path, list))
}

/// `flistxattr(fd, list.as_ptr(), list.len())`—List extended filesystem
/// attributes on an open file descriptor.
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/flistxattr.2.html
#[inline]
pub fn flistxattr<Fd: AsFd>(fd: Fd, list: &mut [c::c_char]) -> io::Result<usize> {
    backend::fs::syscalls::flistxattr(fd.as_fd(), list)
}

/// `removexattr(path, name)`—Remove an extended filesystem attribute.
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/removexattr.2.html
pub fn removexattr<P: path::Arg, Name: path::Arg>(path: P, name: Name) -> io::Result<()> {
    path.into_with_c_str(|path| {
        name.into_with_c_str(|name| backend::fs::syscalls::removexattr(path, name))
    })
}

/// `lremovexattr(path, name)`—Remove an extended filesystem attribute,
/// without following symlinks in the last path component.
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/lremovexattr.2.html
pub fn lremovexattr<P: path::Arg, Name: path::Arg>(path: P, name: Name) -> io::Result<()> {
    path.into_with_c_str(|path| {
        name.into_with_c_str(|name| backend::fs::syscalls::lremovexattr(path, name))
    })
}

/// `fremovexattr(fd, name)`—Remove an extended filesystem attribute on an
/// open file descriptor.
///
/// # References
///  - [Linux]
///
/// [Linux]: https://man7.org/linux/man-pages/man2/fremovexattr.2.html
pub fn fremovexattr<Fd: AsFd, Name: path::Arg>(fd: Fd, name: Name) -> io::Result<()> {
    name.into_with_c_str(|name| backend::fs::syscalls::fremovexattr(fd.as_fd(), name))
}