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| | /*
* Copyright (C) 2024 olang maintainers
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "list.h"
#include <assert.h>
void
list_init(list_t *list, arena_t *arena)
{
assert(list != NULL);
list->size = 0;
list->arena = arena;
list->head = NULL;
}
void
list_append(list_t *list, void *value)
{
assert(list != NULL);
list_item_t *item = arena_alloc(list->arena, sizeof(list_item_t));
item->value = value;
item->next = NULL;
list->size++;
if (list->size == 1) {
list->head = item;
list->tail = item;
return;
}
list->tail->next = item;
list->tail = item;
}
list_item_t *
list_get(list_t *list, size_t index)
{
assert(list != NULL);
assert(index < list->size);
list_item_t *item = list->head;
while (index != 0) {
item = item->next;
index--;
}
return item;
}
list_item_t *
list_head(list_t *list)
{
assert(list != NULL);
return list->head;
}
list_item_t *
list_next(list_item_t *item)
{
assert(item != NULL);
return item->next;
}
size_t
list_size(list_t *list)
{
assert(list != NULL);
return list->size;
}
|