tac: use temp file for stdin to respect TMPDIR and handle disk-full errors#10094

Merged

sylvestre merged 3 commits intouutils:mainfrom

ChrisDryden:tac-stdin-tempfile

Jan 9, 2026

Commits on Jan 9, 2026

tac: use temp file for stdin to respect TMPDIR and handle disk-full errors
ChrisDryden
committed
tac: fall back to memory when TMPDIR is invalid, add to root tests
ChrisDryden
committed
tac: use mmap instead of reading temp file back into Vec
ChrisDryden
committed