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use std::cell::RefCell;
use libc::malloc;

pub mod error;
pub mod parse;

#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd)]
pub struct PissAmount {
    to_piss: u128
}

#[derive(Copy, Clone, Debug)]
pub enum Toliet {
    Rust,
    Lazy,
    Unsafe
}

fn leak_rust(amount: usize) {
    Vec::<u8>::with_capacity(amount).leak();
}

thread_local!(static TOLIET: RefCell<Vec<Vec<u8>>> = RefCell::new(Vec::new()));

fn leak_lazy(amount: usize) {
    TOLIET.with(|t| {
        t.borrow_mut().push(Vec::<u8>::with_capacity(amount));
    })
}

fn leak_unsafe(amount: usize) {
    unsafe {
        malloc(amount);
    }
}

fn leak_match(amount: usize, method: Toliet) {
    match method {
        Toliet::Rust => leak_rust(amount),
        Toliet::Lazy => leak_lazy(amount),
        Toliet::Unsafe => leak_unsafe(amount),
    }
}

pub fn leak<T: Into<PissAmount>>(amount: T, method: Toliet) {
    let num: u128 = amount.into().to_piss;
    let count = num / usize::MAX as u128;
    
    for _ in 0..count {
        leak_match(usize::MAX, method);    
    }

    leak_match((num % usize::MAX as u128) as usize, method);
}

pub async fn leak_async<T: Into<PissAmount>>(amount: T, method: Toliet) {
    leak(amount, method);
}