dummy-alloc

Provides DummyAlloc, a global allocator that fails all allocations.

lib.rs:

Provides DummyAlloc, a global allocator that fails all allocations.

Example

use std::alloc::{alloc, Layout};
use dummy_alloc::DummyAlloc;

// Configure it as the global allocator.
#[global_allocator]
static GLOBAL: DummyAlloc = DummyAlloc;

let layout = Layout::new::<i32>();
let ptr = unsafe { alloc(layout) };
// `DummyAlloc` always returns a null pointer on allocation.
assert!(ptr.is_null());

Minimum supported Rust version

The MSRV is currently 1.56.

This may change between minor versions.

License

I release this crate into the public domain using the Unlicense.

Similar crates

lol_alloc exports a similar FailAllocator that performs the same function.