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Fix issue in _graft_child

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Patrick Pelissier committed 2022-07-27 23:48:40 +02:00
1 parent 92e2d835bd
commit ee1dc2a8e8
1 file changed
+6 -6
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m-tree.h
+6 -6
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@@ -957,24 +957,24 @@ typedef int32_t m_tr33_index_t;
M_ASSERT(it1.tree == it2.tree); \
M_TR33_IT_CONTRACT(it1, true); \
M_TR33_IT_CONTRACT(it2, true); \
M_ASSERT(it2.index != it2.tree->root_index); \
/* Move the node it2 and its child down the node *it1 */ \
/* Both belongs to the same tree */ \
m_tr33_index_t i = it2.index; \
const m_tr33_index_t i = it2.index; \
/* Unlink it2 except its child */ \
m_tr33_index_t parent = it1.tree->tab[i].parent; \
const m_tr33_index_t parent = it1.tree->tab[i].parent; \
if (parent >= 0 && it1.tree->tab[parent].child == i) { \
it1.tree->tab[parent].child = it1.tree->tab[i].right; \
} \
m_tr33_index_t left = it1.tree->tab[i].left; \
const m_tr33_index_t left = it1.tree->tab[i].left; \
if (left >= 0) { it1.tree->tab[left].right = it1.tree->tab[i].right;} \
m_tr33_index_t right = it1.tree->tab[i].right; \
const m_tr33_index_t right = it1.tree->tab[i].right; \
if (right >= 0) { it1.tree->tab[right].left = it1.tree->tab[i].left;} \
/* Add the new node */ \
m_tr33_index_t child = it1.tree->tab[it1.index].child; \
const m_tr33_index_t child = it1.tree->tab[it1.index].child; \
it1.tree->tab[i].parent = it1.index; \
it1.tree->tab[i].left = M_TR33_NO_NODE; \
it1.tree->tab[i].right = child; \
it1.tree->tab[i].child = M_TR33_NO_NODE; \
/* Update the parent */ \
it1.tree->tab[it1.index].child = i; \
/* Update the sibling */ \