vulcanos/kernel/mem/ordered_array.h
2019-09-26 17:45:46 +02:00

39 lines
1.3 KiB
C

/**************************************
* iceOS Kernel *
* Developed by Marco 'icebit' Cetica *
* (c) 2019 *
* Released under GPLv3 *
* https://github.com/ice-bit/iceOS *
***************************************/
#ifndef ORDERED_ARRAY_H
#define ORDERED_ARRAY_H
#include <stdint.h>
/* Our list is always in a 'sorted state',
* it can store anything that can be casted
* to void* */
typedef void* type_t;
/* The following predicate should return non-zero
* if the first argument is less than the second */
typedef uint8_t (*lessthan_predicate_t)(type_t,type_t);
typedef struct {
type_t *array;
uint32_t size;
uint32_t max_size;
lessthan_predicate_t less_than;
} ordered_array_t;
uint8_t standard_lessthan_predicate(type_t a, type_t b);
// Create a new ordered array
ordered_array_t create_ordered_array(uint32_t max_size, lessthan_predicate_t less_than);
ordered_array_t place_ordered_array(void *addr, uint32_t max_size, lessthan_predicate_t less_than);
// Destroy an ordered array
void destroy_ordered_array(ordered_array_t *array);
// Add an item into the array
void insert_ordered_array(type_t item, ordered_array_t *array);
type_t lookup_ordered_array(uint32_t i, ordered_array_t *array);
void remove_ordered_array(uint32_t i, ordered_array_t *array);
#endif