wc: replace unsafe unchecked code by utf8_chunks
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U - wc
- Dominant language
- Rust
- Stars
- 24.1k
- Forks
- 2k
- Avg merge
- 1d 5h
- Merged PRs (30d)
- 365
Description
Cost of double check should be avoided by utf8_chunks instead of unsafe unchecked:
https://github.com/uutils/coreutils/blob/94b06d97ba05e0b5c9cd26a652ad9e5fa587501a/src/uu/wc/src/utf8/read.rs#L114
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start in src/uu/wc/src/utf8/read.rs at the linked line and inspect how the current unsafe unchecked path works. Replace that path with utf8_chunks while preserving wc's UTF-8 reading behavior, then verify the relevant wc checks or tests if available.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- cli
- Issue type
- Refactor
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 68/100