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
|
// Compiler:
//
// Run-time:
// status: 0
// stdout: 42
// 7
// 5
// 10
#![feature(no_core)]
#![no_std]
#![no_core]
#![no_main]
extern crate mini_core;
mod libc {
#[link(name = "c")]
extern "C" {
pub fn printf(format: *const i8, ...) -> i32;
pub fn puts(s: *const u8) -> i32;
}
}
static mut ONE: usize = 1;
fn make_array() -> [u8; 3] {
[42, 10, 5]
}
#[no_mangle]
extern "C" fn main(argc: i32, _argv: *const *const u8) -> i32 {
let array = [42, 7, 5];
let array2 = make_array();
unsafe {
libc::printf(b"%ld\n\0" as *const u8 as *const i8, array[ONE - 1]);
libc::printf(b"%ld\n\0" as *const u8 as *const i8, array[ONE]);
libc::printf(b"%ld\n\0" as *const u8 as *const i8, array[ONE + 1]);
libc::printf(b"%d\n\0" as *const u8 as *const i8, array2[argc as usize] as u32);
}
0
}
|
