dl_delete()

`dl_delete()`#

Removes a specified item from a doubly linked list and optionally frees its memory.

C

Prototype

int dl_delete(
    dl_list_t *dl,
    void *curr_,
    void (*fnfree)(void *)
);

Parameters

Key	Type	Description
`dl`	`dl_list_t *`	Pointer to the doubly linked list from which the item will be removed.
`curr_`	`void *`	Pointer to the item to be removed from the list.
`fnfree`	`void ()(void )`	Optional function pointer to free the memory of the removed item.

Return Value

Returns 0 on success, or -1 if an error occurs (e.g., null item, empty list, or item not found).

Notes

The function ensures that the list remains consistent after deletion. If fnfree is provided, it is called to free the memory of the removed item.

JS

Prototype

// Not applicable in JS

Python

Prototype

# Not applicable in Python