117 lines
2.4 KiB
C
117 lines
2.4 KiB
C
/*
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bro this whole file is fucked up af...
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...or maybe I am...
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*/
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#include <why2/memory.h>
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#include <stdlib.h>
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#include <why2/flags.h>
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//LOCAL
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typedef struct node
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{
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void *pointer;
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struct node *next;
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struct node *last;
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} node_t; //DOUBLY LINKED LIST
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node_t *head = NULL; //TODO: Find a way to deallocate this shit at the end
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void push_to_list(void *pointer)
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{
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//CREATE NODE
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node_t *new_node = malloc(sizeof(node_t));
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node_t *node_buffer = head;
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//ADD STUFF TO new_node
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new_node -> pointer = pointer;
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new_node -> next = NULL;
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new_node -> last = NULL;
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if (head == NULL) //FIRST NODE
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{
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head = new_node;
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} else //ADD AT THE END
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{
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while (node_buffer -> next != NULL) node_buffer = node_buffer -> next; //GO TO THE LAST NODE
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//LINK AT THE END
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node_buffer -> next = new_node;
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new_node -> last = node_buffer;
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}
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}
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void remove_node(node_t *node)
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{
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if (head == NULL) return; //LIST IS EMPTY
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//REMOVE NODE
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node_t *node_buffer = head;
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why2_bool found = 0;
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while (node_buffer -> next != NULL) //GO TROUGH THE LIST
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{
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if (node_buffer == node) //FOUND
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{
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found = 1;
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break;
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} //TODO: Many times it isn't found
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node_buffer = node_buffer -> next;
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}
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if (!found) return; //node WASN'T FOUND IN THE LIST
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if (node_buffer -> last != NULL) node_buffer -> last -> next = node_buffer -> next;
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if (node_buffer -> next != NULL) node_buffer -> next -> last = node_buffer -> last;
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//DEALLOCATION
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free(node);
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}
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//GLOBAL
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void *why2_malloc(unsigned long size)
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{
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void *allocated = malloc(size);
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push_to_list(allocated);
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return allocated;
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}
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void *why2_calloc(unsigned long element, unsigned long size)
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{
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void *allocated = calloc(element, size);
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push_to_list(allocated);
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return allocated;
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}
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void *why2_realloc(void *pointer, unsigned long size)
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{
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void *allocated = realloc(pointer, size);
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push_to_list(allocated);
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return allocated;
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}
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void why2_free(void *pointer)
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{
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//VARIABLES
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node_t *node_buffer = head;
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//FIND pointer IN LINKED LIST
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while (node_buffer -> next != NULL) //if pointer won't be found, nothing will happen | idk if I wanna fix this or leave it like this
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{
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node_buffer = node_buffer -> next;
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if (node_buffer -> pointer == pointer) break; //FOUND
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}
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remove_node(node_buffer);
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free(pointer);
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} |