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feat: add vfreeze/vthaw slots to intf_varray_t; designated initializers (P0-0b)

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rtti header already present at rtti-0.0.2 with vfreeze_fn_t, vthaw_fn_t,
retain_fn_t, and the two new slots in intf_varray_t. No header modification
needed.

Convert intf_varray_t compound-literal initializers in zarray.c and kvmgr.c
to designated style with explicit .vfreeze = NULL and .vthaw = NULL slots.
kv.c has no intf_varray_t initializer.

Add test_zarray_cow.c with test_freeze_thaw_slots_exist which verifies the
struct layout has the slots accessible and that they are NULL until P0-2
wires the real implementations. Wire test into meson.build and test.c.

Full clean rebuild confirmed: 27/28 targets linked, no new test failures.
Only the 4 pre-existing failures remain.
This commit is contained in:
Rongsong Shen 2026-05-07 08:54:18 +00:00
parent e0e2f56c81
commit c78f9cf91c
5 changed files with 44 additions and 2 deletions
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4
src/lib/zarray.c
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@ -668,7 +668,9 @@ typeinfo_t xzarray_type = {
.vget_vec = (vget_vec_fn_t)xzarray_get_vec,
.vput = (vput_fn_t)xzarray_put,
.vput_vec = (vput_vec_fn_t)xzarray_put_vec,
.vclear = (vclear_fn_t)xzarray_clear },
.vclear = (vclear_fn_t)xzarray_clear,
.vfreeze = NULL, /* wired in P0-2 */
.vthaw = NULL /* wired in P0-2 */ },
.iter
= &(intf_iterator_t) { .make = (iter_make_fn_t)xzarray_make_iter,
.next = (iter_next_fn_t)xzarray_iter_next,