Zero C-compiler warnings on all three architectures; fix real restore_vm_state() bug

Maintainability sweep (prompted by "this is getting hard to maintain"):
fixed the remaining three warning classes after the missing-field-
initializers commit -- 2x -Wsign-compare (control_words.c, cast at the
comparison site rather than changing cf_last_mode's type, which
deliberately holds a -999 sentinel outside vm_mode_t's valid range),
2x -Wstringop-truncation (mkcapsule.c, strncpy+manual-null-terminate
replaced with the idiomatic snprintf equivalent), and 26x
-Wunused-parameter (mostly documented stubs, silenced with the repo's
existing (void)param; idiom).

One of the unused-parameter warnings was not a deliberate stub -- a
real bug. restore_vm_state() (test_common.c) is named, documented, and
called by nine real call sites (acl_words_test.c x8 plus its own
internal use) as "restore saved VM state", but ignored all four of its
parameters and hard-reset to a fixed baseline instead, silently not
restoring what any caller actually saved. Fixed to actually assign the
passed-in dsp/rsp/error/mode. Found while fixing warnings, reported
before touching it, fixed/tested/documented/committed on explicit
instruction.

Verified: all three architectures build with zero C-compiler warnings
(amd64: 3040 -> 0; aarch64's one remaining note is lld-link's own
unrelated linker warning, not a C warning). Full amd64 acceptance boot
post-fix: POST 1003/965/0/0/38 (total/passed/failed/errors/stubs),
"ALL IMPLEMENTED TESTS PASSED!", contract checks (A4'/A1) all passed,
dict_hash=0x24b4279f0670aa3a -- an exact match to this document's own
previously-recorded baseline hash.

.claude/CLAUDE.md corrected to describe the real -Wno-error= exemption
list instead of the "-Wall -Werror" oversimplification. FABRIC-2.md
Section J records the full sweep, including doc-tree staleness findings
flagged but not fixed this pass (docs/lithosananke/ROADMAP.md branch
topology, docs/03-architecture/word-acl/DESIGN.md's Phase 7 claim
contradicting CLAUDE.md, top-level ROADMAP.md's stale StarForth-era
status, the Isabelle pipeline-metrics model mismatch).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

This commit is contained in:

Robert Allan James

2026-08-18 22:31:57 -04:00

co-authored by

Claude Sonnet 5

parent bf59c4916e

commit 1a2ec565e8

14 changed files with 248048 additions and 78506 deletions

experiments/bare_metal/latest/amd64.csv

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experiments/bare_metal/runs/doe-amd64-20260818-221849.csv

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