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add migration instructions for safemem (#1909)

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- as suggested in <https://github.com/rustsec/advisory-db/pull/1615#issuecomment-1977169576>
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Bennet Bleßmann
2024-03-04 19:47:07 +01:00
committed by GitHub
parent 200d7aa324
commit c4a34bd3e1
1 changed files with 14 additions and 0 deletions
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14
crates/safemem/RUSTSEC-2023-0081.md
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@@ -13,3 +13,17 @@ patched = []
# safemem is unmaintained
The latest crates.io release was in 2019. The repository has been archived by the author.
## Migration
- `safemem::copy_over(slice, src_idx, dest_idx, len);` can be replaced with `slice.copy_within(src_idx..src_idx+len, dest_idx);` as of `rust 1.37.0`.
- `safemem::write_bytes(slice, byte);` can be replaced with `slice.fill(byte);` as of `rust 1.50.0`
- `safemem::prepend(slice, vec);` can be replaced with
```rust
let old_len = vec.len();
vec.extend_from_slice(slice);
vec.rotate_left(old_len);
```
as of `rust 1.26.0`