sway/common/list.c

56 lines
1.3 KiB
C
Raw Normal View History

#include "list.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
list_t *create_list(void) {
list_t *list = malloc(sizeof(list_t));
list->capacity = 10;
list->length = 0;
list->items = malloc(sizeof(void*) * list->capacity);
return list;
}
2015-08-11 18:12:50 +00:00
static void list_resize(list_t *list) {
2015-08-11 17:44:29 +00:00
if (list->length == list->capacity) {
list->capacity += 10;
list->items = realloc(list->items, sizeof(void*) * list->capacity);
}
}
void list_free(list_t *list) {
2015-08-08 21:44:51 +00:00
if (list == NULL) {
return;
}
free(list->items);
free(list);
}
void list_add(list_t *list, void *item) {
2015-08-11 17:44:29 +00:00
list_resize(list);
list->items[list->length++] = item;
}
2015-08-09 23:27:25 +00:00
void list_insert(list_t *list, int index, void *item) {
2015-08-11 17:44:29 +00:00
list_resize(list);
memmove(&list->items[index + 1], &list->items[index], sizeof(void*) * (list->length - index));
list->length++;
list->items[index] = item;
2015-08-09 23:27:25 +00:00
}
void list_del(list_t *list, int index) {
list->length--;
2015-08-11 17:44:29 +00:00
memmove(&list->items[index], &list->items[index + 1], sizeof(void*) * (list->length - index));
}
void list_cat(list_t *list, list_t *source) {
int i;
for (i = 0; i < source->length; ++i) {
list_add(list, source->items[i]);
}
}
2015-09-08 15:54:57 +00:00
void list_sort(list_t *list, int compare(const void *left, const void *right)) {
qsort(list->items, list->length, sizeof(void *), compare);
}