c-scape 0.22.3

A libc bottom-half implementation in Rust
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

use core::ffi::CStr;
use rustix::fd::BorrowedFd;

use libc::{c_char, c_int};

use crate::convert_res;

#[no_mangle]
unsafe extern "C" fn chdir(path: *const c_char) -> c_int {
    libc!(libc::chdir(path));

    let path = CStr::from_ptr(path.cast());
    match convert_res(rustix::process::chdir(path)) {
        Some(()) => 0,
        None => -1,
    }
}

#[no_mangle]
unsafe extern "C" fn fchdir(fd: c_int) -> c_int {
    libc!(libc::fchdir(fd));

    let fd = BorrowedFd::borrow_raw(fd);
    match convert_res(rustix::process::fchdir(fd)) {
        Some(()) => 0,
        None => -1,
    }
}