Function readlink

src/backend/linux_raw/fs/syscalls.rs:965–976

(path: &CStr, buf: &mut [u8])

#[cfg(feature = "alloc")]
#[inline]
pub(crate) fn readlink(path: &CStr, buf: &mut [u8]) -> io::Result<usize> {
    let (buf_addr_mut, buf_len) = slice_mut(buf);
    unsafe {
        ret_usize(syscall!(
            __NR_readlinkat,
            raw_fd(AT_FDCWD),
            path,
            buf_addr_mut,
            buf_len
        ))
    }
}

#[inline]
pub(crate) unsafe fn readlinkat(