| /// Can create buffers of arbitrary lifetime. |
| /// Frees created buffers when dropped. |
| /// |
| /// This struct is of course unsafe and the fact that |
| /// it must outlive the created slices has to be ensured by |
| /// the programmer. |
| /// |
| /// Used at certain test scenarios as a safer version of |
| /// Vec::leak, to satisfy the address sanitizer. |
| pub struct LeakedBuffers { |
| leaked_vecs: Vec<Box<[u8]>>, |
| } |
| |
| impl LeakedBuffers { |
| pub fn new() -> Self { |
| Self { |
| leaked_vecs: vec![], |
| } |
| } |
| pub unsafe fn create<'a>(&mut self, size: usize) -> &'a mut [u8] { |
| let mut new_mem = vec![0u8; size].into_boxed_slice(); |
| let slice = std::slice::from_raw_parts_mut(new_mem.as_mut_ptr(), new_mem.len()); |
| self.leaked_vecs.push(new_mem); |
| slice |
| } |
| } |