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use syscall::*;

#[allocator]
#[allow(unused_variables)]
#[no_mangle]
pub extern fn __rust_allocate(size: usize, align: usize) -> *mut u8 {
    unsafe { sys_alloc(size) as *mut u8 }
}

#[allow(unused_variables)]
#[no_mangle]
pub extern fn __rust_deallocate(ptr: *mut u8, old_size: usize, align: usize) {
    unsafe { sys_unalloc(ptr as usize) }
}

#[allow(unused_variables)]
#[no_mangle]
pub extern fn __rust_reallocate(ptr: *mut u8, old_size: usize, size: usize,
                                align: usize) -> *mut u8 {
    unsafe { sys_realloc(ptr as usize, size) as *mut u8 }
}

#[allow(unused_variables)]
#[no_mangle]
pub extern fn __rust_reallocate_inplace(ptr: *mut u8, old_size: usize,
                                        size: usize, align: usize) -> usize {
    unsafe { sys_realloc_inplace(ptr as usize, size) }
}

#[allow(unused_variables)]
#[no_mangle]
pub extern fn __rust_usable_size(size: usize, align: usize) -> usize {
    size
}