-
-
Notifications
You must be signed in to change notification settings - Fork 23
/
ffi.rs
47 lines (39 loc) · 1.16 KB
/
ffi.rs
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
// Copyright 2014-2017 The Rooster Developers
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use std::ptr;
use libc;
#[allow(non_camel_case_types)]
pub type time_t = libc::c_uint;
mod internal {
extern "C" {
pub fn time(t: *mut super::time_t) -> super::time_t;
}
}
pub fn time() -> time_t {
let retrieved_time = unsafe { internal::time(ptr::null_mut()) };
if retrieved_time == !(0 as u32) {
panic!("Could not get time from system");
}
retrieved_time
}
#[cfg(test)]
mod test {
use ffi::time;
#[test]
fn test_time() {
let t_2030 = 1893456000;
let t = time();
assert!(t > 0 && t < t_2030);
}
}