diff options
Diffstat (limited to 'src/tree.c')
| -rw-r--r-- | src/tree.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/tree.c b/src/tree.c index 5006e5362..c38d0a904 100644 --- a/src/tree.c +++ b/src/tree.c @@ -355,6 +355,7 @@ _MergeNodes(TreeNode * lessNode, TreeNode * moreNode) int j = lessNode->dataCount; assert((lessNode->dataCount + moreNode->dataCount) <= DATA_PER_NODE); + assert(lessNode->children[j] == NULL); for(; i < moreNode->dataCount; i++,j++) { @@ -444,6 +445,7 @@ _DeleteAt(TreeIterator * iter) { TreeNode ** child; int pos; + // XXX : this find is unneccesary! if (_FindPositionInNode(iter->tree, node->parent, tempData, @@ -477,11 +479,13 @@ _DeleteAt(TreeIterator * iter) for(; i < (*child)->dataCount-1; i++) { (*child)->data[i] = (*child)->data[i+1]; - (*child)->children[i+1] = - (*child)->children[i+2]; + (*child)->children[i] = + (*child)->children[i+1]; } - (*child)->children[(*child)->dataCount--] =NULL; - (*child)->data[(*child)->dataCount] = NULL; + (*child)->children[i] = (*child)->children[i+1]; + (*child)->children[i+1] =NULL; + (*child)->data[i] = NULL; + (*child)->dataCount--; } else if (pos > 0 && (*(child-1))->dataCount>(CHILDREN_PER_NODE/2)) @@ -493,6 +497,7 @@ _DeleteAt(TreeIterator * iter) node->data[i] = node->data[i-1]; node->children[i+1] = node->children[i]; } + node->children[1] = node->children[0]; node->data[0] = node->parent->data[pos-1]; node->children[0] = (*child)->children[(*child)->dataCount]; @@ -663,7 +668,7 @@ InsertIntoTree(Tree * tree, void * data) return 1; } -void +int DeleteFromTree(Tree * tree, void * data) { TreeIterator iter; @@ -672,5 +677,8 @@ DeleteFromTree(Tree * tree, void * data) if (_Find(&iter, data)) { _DeleteAt(&iter); + return 1; } + + return 0; } |