feat(red black tree): implemented free function
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fc3597fca5
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2 changed files with 45 additions and 1 deletions
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@ -46,6 +46,45 @@ typedef struct FledastyRedBlackTreeNode_##name {
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typedef struct { \
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size_t size; \
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FledastyRedBlackTreeNode_##name *top; \
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} FledastyRedBlackTree_##name;
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} FledastyRedBlackTree_##name; \
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\
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FledastyError fledasty_red_black_tree_##name##_free(FledastyRedBlackTree_##name *current_red_black_tree); \
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#define FLEDASTY_RED_BLACK_TREE_IMPLEMENT(key_type, value_type, name, compare_key_function, key_less_than_function) \
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FledastyError fledasty_red_black_tree_##name##_free(FledastyRedBlackTree_##name *current_red_black_tree) { \
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if (current_red_black_tree != NULL) { \
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return FLEDASTY_ERROR_INVALID_POINTER; \
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} \
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\
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FledastyRedBlackTreeNode_##name *current_node = current_red_black_tree->top; \
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while (current_node != NULL) { \
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if (current_node->left != NULL) { \
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current_node = current_node->left; \
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} else if (current_node->right != NULL) { \
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current_node = current_node->right; \
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} else if (current_node->parent != NULL) { \
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current_node = current_node->parent; \
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if (current_node->left != NULL) { \
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if (hallocy_free(current_node->left) != HALLOCY_ERROR_NONE) { \
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return FLEDASTY_ERROR_FAILED_ALLOCATION; \
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} \
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\
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current_node->left = NULL; \
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} else { \
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if (hallocy_free(current_node->right) != HALLOCY_ERROR_NONE) { \
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return FLEDASTY_ERROR_FAILED_ALLOCATION; \
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} \
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\
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current_node->right = NULL; \
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} \
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} else { \
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hallocy_free(current_node); \
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current_node = NULL; \
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} \
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} \
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\
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return FLEDASTY_ERROR_NONE; \
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}
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#endif
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@ -60,6 +60,7 @@ FLEDASTY_BINARY_SEARCH_TREE_DEFINE(int, int, int_int)
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FLEDASTY_BINARY_SEARCH_TREE_IMPLEMENT(int, int, int_int, compare_integers, integer_less_than_integer)
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FLEDASTY_RED_BLACK_TREE_DEFINE(int, int, int_int)
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FLEDASTY_RED_BLACK_TREE_IMPLEMENT(int, int, int_int, compare_integers, integer_less_than_integer)
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int main() {
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FledastyQueue_int test_queue = { 0, 0, 0, 0, NULL };
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@ -381,6 +382,10 @@ int main() {
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printf("Biggest key is %d with the value %d\n", max_key, max_value);
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fledasty_binary_search_tree_int_int_free(&test_search_tree);
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FledastyRedBlackTree_int_int test_red_black_tree = { 0, NULL };
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fledasty_red_black_tree_int_int_free(&test_red_black_tree);
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printf("Done\n");
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return 0;
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}
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