[laffer1]

Summary

Commit 19f69c3 removed DIFF_ATOMIZER_FILE_TRUNCATED and changed the libdiff atomizer to return EIO when a file is truncated. lib/libdiff/tests/libdiff_test.c still referenced the removed flag and expected a 0 return, so make buildworld fails when building the tests.

This change makes the test expect EIO from diff_atomize_file() and removes the flag check. The length checks stay, so the test still confirms that truncation is detected at the right place. Nothing else in the tree uses the removed flag.

Testing

• The test compiles cleanly with -Wall -Werror against the ATF headers in contrib/atf.
• I ran the same test code with a small stand-in for ATF, linked against the current libdiff sources, and it passed. libatf isn't built on the test host, so I couldn't run it through kyua.

🤖 Generated with Claude Code

Summary by Sourcery

Bug Fixes:

• Update the truncated-file atomizer test to expect the new EIO error behavior and remove its obsolete flag assertion.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Updates the libdiff truncation test for the atomizer’s EIO return after file truncation, removes the obsolete flag assertion, and preserves length-based detection checks.

File-Level Changes

Change	Details	Files
Align the truncation test with libdiff’s updated error-reporting API.	Expect diff_atomize_file() to return EIO after the backing file is truncated. Remove the assertion for the deleted DIFF_ATOMIZER_FILE_TRUNCATED flag. Retain atomized-length bounds to verify truncation is detected at the expected position.	lib/libdiff/tests/libdiff_test.c

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