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fix: remove memory leak get_size_of_linked_list.cpp #2534

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Merged
merged 2 commits into from
Aug 30, 2024
Merged

fix: remove memory leak get_size_of_linked_list.cpp #2534

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8e51010
fix: add and use function `deleteList` to remove memory leak
vil02 Sep 17, 2023
0356608
Merge branch 'master' into memory_leak_in_get_size_of_linked_list_patch
realstealthninja Aug 30, 2024
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16 changes: 16 additions & 0 deletions operations_on_datastructures/get_size_of_linked_list.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,20 @@ int getSize(Node *root) {
return 1 + getSize(root->next);
}

/*
* @brief This function dealocates memory related to the given list
* It recursively deletes all of the nodes of the input list.
* @param room the root/head of the input list
* @warning Plese note that the memory for each node has to be alocated using new.
*/
void deleteList(Node *const root) {
if (root != NULL)
{
deleteList(root->next);
delete root;
}
}

int main() {
Node *myList = new Node(0, NULL); // Initializes the LinkedList
Node *temp = myList;
Expand All @@ -31,6 +45,8 @@ int main() {
std::cout << getSize(myList) << std::endl
<< getSize(secondList) << std::endl
<< getSize(thirdList) << std::endl;
deleteList(secondList);
deleteList(myList);

return 0;
}
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