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Six harnesses (arc, cachendx, codec, response, singlefile, warc) each built a $TMPDIR-or-/tmp template, called mkdtemp and registered an atexit cleanup. fuzz_tmpdir() in fuzz.h now does that once. It is a static header helper like fuzz_strdup, so no build file changes. Each harness keeps its prefix, buffer size, failure handling and the time its cleanup is registered. Every harness ran over its corpus before and after under strace. The mkdir and rmdir sequences match with TMPDIR set or unset, and a missing TMPDIR gives the same exit status. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Signed-off-by: Xavier Roche <roche@httrack.com>
xroche
enabled auto-merge (squash)
November 14, 2026 17:08
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Six fuzz harnesses repeated code that creates a temporary directory and removes it at exit, so it now lives in one
fuzz_tmpdir()helper infuzz/fuzz.h. Each harness keeps its directory name and error handling. Under strace, every corpus run creates and removes the same directories as before.