eina_inlist_03.c

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eina_inlist_03.c
// Compile with:
// gcc -g eina_inlist_03.c -o eina_inlist_03 `pkg-config --cflags --libs eina`
#include <Eina.h>
#include <stdio.h>
struct my_struct {
EINA_INLIST;
Eina_Inlist even;
int a, b;
};
#define EVEN_INLIST_GET(Inlist) (& ((Inlist)->even))
#define EVEN_INLIST_CONTAINER_GET(ptr, type) \
((type *)((char *)ptr - offsetof(type, even)))
int
main(void)
{
struct my_struct *d, *cur;
int i;
Eina_Inlist *list = NULL, *list_even = NULL, *itr;
eina_init();
for (i = 0; i < 100; i++)
{
d = malloc(sizeof(*d));
d->a = i;
d->b = i * 10;
list = eina_inlist_append(list, EINA_INLIST_GET(d));
if ((i % 2) == 0)
list_even = eina_inlist_prepend(list_even, EVEN_INLIST_GET(d));
}
printf("list=%p\n", list);
EINA_INLIST_FOREACH(list, cur)
printf("\ta=%d, b=%d\n", cur->a, cur->b);
printf("list_even=%p\n", list_even);
for (itr = list_even; itr != NULL; itr = itr->next)
{
cur = EVEN_INLIST_CONTAINER_GET(itr, struct my_struct);
printf("\ta=%d, b=%d\n", cur->a, cur->b);
}
printf("list count=%d\n", eina_inlist_count(list));
printf("list_even count=%d\n\n", eina_inlist_count(list_even));
itr = list_even;
while (itr)
{
Eina_Inlist *next = itr->next;
cur = EVEN_INLIST_CONTAINER_GET(itr, struct my_struct);
if ((cur->a % 3) == 0)
list_even = eina_inlist_remove(list_even, itr);
itr = next;
}
printf("list count=%d\n", eina_inlist_count(list));
printf("list_even count=%d\n\n", eina_inlist_count(list_even));
while (list)
{
struct my_struct *aux = EINA_INLIST_CONTAINER_GET(list,
struct my_struct);
list = eina_inlist_remove(list, list);
free(aux);
}
eina_shutdown();
return 0;
}