map.h File Reference

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Data Structures
union	pw_map_item
	An entry in the map. More...
struct	pw_map
	A map. More...

Macros
#define	PW_MAP_INIT(extend)   (struct pw_map) { PW_ARRAY_INIT(extend), SPA_ID_INVALID }
#define	pw_map_get_size(m)   pw_array_get_len(&(m)->items, union pw_map_item)
#define	pw_map_get_item(m, id)   pw_array_get_unchecked(&(m)->items,id,union pw_map_item)
#define	pw_map_item_is_free(item)   ((item)->next & 0x1)
#define	pw_map_id_is_free(m, id)   (pw_map_item_is_free(pw_map_get_item(m,id)))
#define	pw_map_check_id(m, id)   ((id) < pw_map_get_size(m))
#define	pw_map_has_item(m, id)   (pw_map_check_id(m,id) && !pw_map_id_is_free(m, id))
#define	pw_map_lookup_unchecked(m, id)   pw_map_get_item(m,id)->data
#define	PW_MAP_ID_TO_PTR(id)   (SPA_UINT32_TO_PTR((id)<<1))
	Convert an id to a pointer that can be inserted into the map. More...
#define	PW_MAP_PTR_TO_ID(p)   (SPA_PTR_TO_UINT32(p)>>1)
	Convert a pointer to an id that can be retrieved from the map. More...