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weston/wayland-util.c

89 lines
1.3 KiB

#include <stdlib.h>
#include "wayland.h"
int wl_hash_insert(struct wl_hash *hash, struct wl_object *object)
{
struct wl_object **objects;
uint32_t alloc;
if (hash->count == hash->alloc) {
if (hash->alloc == 0)
alloc = 16;
else
alloc = hash->alloc * 2;
objects = realloc(hash->objects, alloc * sizeof *objects);
if (objects == NULL)
return -1;
hash->objects = objects;
hash->alloc = alloc;
}
hash->objects[hash->count] = object;
hash->count++;
return 0;
}
struct wl_object *
wl_hash_lookup(struct wl_hash *hash, uint32_t id)
{
int i;
for (i = 0; i < hash->count; i++) {
if (hash->objects[i]->id == id)
return hash->objects[i];
}
return NULL;
}
void
wl_hash_delete(struct wl_hash *hash, struct wl_object *object)
{
/* writeme */
}
void wl_list_init(struct wl_list *list)
{
list->prev = list;
list->next = list;
}
void
wl_list_insert(struct wl_list *list, struct wl_list *elm)
{
elm->prev = list;
elm->next = list->next;
list->next = elm;
elm->next->prev = elm;
}
void
wl_list_remove(struct wl_list *elm)
{
elm->prev->next = elm->next;
elm->next->prev = elm->prev;
}
int
wl_list_length(struct wl_list *list)
{
struct wl_list *e;
int count;
e = list->next;
while (e != list) {
e = e->next;
count++;
}
return count;
}
int
wl_list_empty(struct wl_list *list)
{
return list->next == list;
}