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pma: fix bt_sync segfault

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This commit is contained in:
barter-simsum 2023-12-08 17:41:18 -05:00
parent 3eb0b3a5d5
commit d1139abf9c
1 changed files with 8 additions and 5 deletions
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13
rust/ares_pma/c-src/btree.c
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@ -1020,10 +1020,11 @@ _bt_delco_trim_rsubtree_lhs2(BT_state *state, vaof_t lo, vaof_t hi,
{
BT_page *node = _node_get(state, nodepg);
size_t hiidx = 0;
size_t N = _bt_numkeys(node);
/* find hi idx of range */
size_t i;
for (i = 0; i < BT_DAT_MAXKEYS-1; i++) {
for (i = 0; i < N-1; i++) {
vaof_t hhi = node->datk[i].va;
if (hhi >= hi) {
hiidx = i;
@ -1097,7 +1098,7 @@ _bt_delco_trim_lsubtree_rhs2(BT_state *state, vaof_t lo, vaof_t hi,
/* drop the subtrees right of the range */
if (depth != maxdepth) {
/* recur and droptree for branches */
for (i = loidx+1; i < BT_DAT_MAXKEYS-1; i++) {
for (i = loidx+1; i < N-1; i++) {
pgno_t childpg = node->datk[i].fo;
if (childpg == 0)
break;
@ -1154,7 +1155,7 @@ _bt_delco(BT_state *state, vaof_t lo, vaof_t hi,
}
/* find high idx of range */
for (size_t i = loidx; i < BT_DAT_MAXKEYS-1; i++) {
for (size_t i = loidx; i < N-1; i++) {
vaof_t hhi = node->datk[i].va;
if (hhi >= hi) {
assert(i > 0);
@ -2312,8 +2313,9 @@ _bt_sync_leaf(BT_state *state, BT_page *node)
the node itself and mark it as clean in the parent. */
pgno_t pg;
size_t i = 0;
size_t N = _bt_numkeys(node);
for (size_t i = 0; i < BT_DAT_MAXKEYS-1; i++) {
for (size_t i = 0; i < N-1; i++) {
if (!_bt_ischilddirty(node, i))
continue; /* not dirty. nothing to do */
@ -2398,6 +2400,7 @@ _bt_sync(BT_state *state, BT_page *node, uint8_t depth, uint8_t maxdepth)
itself and mark it clean. */
{
int rc = 0;
size_t N = _bt_numkeys(node);
/* leaf */
if (depth == maxdepth) {
@ -2406,7 +2409,7 @@ _bt_sync(BT_state *state, BT_page *node, uint8_t depth, uint8_t maxdepth)
}
/* do dfs */
for (size_t i = 0; i < BT_DAT_MAXKEYS-1; i++) {
for (size_t i = 0; i < N-1; i++) {
if (!_bt_ischilddirty(node, i))
continue; /* not dirty. nothing to do */