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Gregory Burd 2024-05-11 01:25:15 +00:00
parent e641e6cc63
commit 984a1a920d
1 changed files with 17 additions and 13 deletions
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30
src/sparsemap.c
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@ -933,24 +933,28 @@ __sm_remove_data(sparsemap_t *map, size_t offset, size_t gap_size)
void
__sm_merge_chunk(sparsemap_t *map, sparsemap_idx_t idx, sparsemap_idx_t capacity, __sm_chunk_t *dst_chunk, __sm_chunk_t *src_chunk)
{
int rc;
for (sparsemap_idx_t j = 0; j < capacity; j++) {
bool retried = false;
size_t position;
sm_bitvec_t fill;
if (__sm_chunk_is_set(src_chunk, j) && !__sm_chunk_is_set(dst_chunk, j)) {
retry:;
rc = __sm_chunk_set(dst_chunk, j, true, &position, &fill, retried);
if (rc == SM_NEEDS_TO_GROW) {
sparsemap_idx_t offset = __sm_get_chunk_offset(map, j + idx);
sparsemap_idx_t offset = __sm_get_chunk_offset(map, idx + j);
if (__sm_chunk_is_set(src_chunk, j)) {
size_t position;
sm_bitvec_t fill;
switch (__sm_chunk_set(dst_chunk, j, true, &position, &fill, false)) {
case SM_NEEDS_TO_GROW:
offset += sizeof(sm_idx_t) + position * sizeof(sm_bitvec_t);
__sm_insert_data(map, offset, (uint8_t *)&fill, sizeof(sm_bitvec_t));
if (!retried) {
retried = true;
goto retry;
__sm_chunk_set(dst_chunk, j, true, &position, &fill, true);
break;
case SM_NEEDS_TO_SHRINK:
if (__sm_chunk_is_empty(src_chunk)) {
__sm_assert(position == 1);
__sm_remove_data(map, offset, sizeof(sm_idx_t) + sizeof(sm_bitvec_t) * 2);
__sm_set_chunk_count(map, __sm_get_chunk_count(map) - 1);
} else {
offset += sizeof(sm_idx_t) + position * sizeof(sm_bitvec_t);
__sm_remove_data(map, offset, sizeof(sm_bitvec_t));
}
break;
}
__sm_assert(rc == SM_OK);
}
}
}