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
|
use std::c_str::CString;
use std::io::FilePermission;
use libc::{mode_t, c_int};
use errno::{SysResult, SysError, from_ffi};
pub type Fd = c_int;
bitflags!(
flags OFlag: mode_t {
static O_ACCMODE = 0o00000003,
static O_RDONLY = 0o00000000,
static O_WRONLY = 0o00000001,
static O_RDWR = 0o00000002,
static O_CREAT = 0o00000100,
static O_EXCL = 0o00000200,
static O_NOCTTY = 0o00000400,
static O_TRUNC = 0o00001000,
static O_APPEND = 0o00002000,
static O_NONBLOCK = 0o00004000,
static O_DSYNC = 0o00010000,
static O_DIRECT = 0o00040000,
static O_LARGEFILE = 0o00100000,
static O_DIRECTORY = 0o00200000,
static O_NOFOLLOW = 0o00400000,
static O_NOATIME = 0o01000000,
static O_CLOEXEC = 0o02000000,
static O_SYNC = 0o04000000,
static O_PATH = 0o10000000,
static O_TMPFILE = 0o20000000,
static O_NDELAY = O_NONBLOCK.bits
}
)
mod ffi {
pub use libc::{open, close};
}
pub fn open(path: &CString, oflag: OFlag, mode: FilePermission) -> SysResult<Fd> {
let fd = unsafe { ffi::open(path.as_ptr(), oflag.bits as i32, mode.bits()) };
if fd < 0 {
return Err(SysError::last());
}
Ok(fd)
}
pub fn close(fd: Fd) -> SysResult<()> {
let res = unsafe { ffi::close(fd) };
from_ffi(res)
}
|
