A map that holds objects indexed by id. 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...

Detailed Description

A map that holds objects indexed by id.

Macro Definition Documentation

#define pw_map_get_item	(	m,
		id
	)	pw_array_get_unchecked(&(m)->items,id,union pw_map_item)

#define pw_map_get_size ( m ) pw_array_get_len(&(m)->items, union pw_map_item)

#define pw_map_has_item	(	m,
		id
	)	(pw_map_check_id(m,id) && !pw_map_id_is_free(m, id))

#define pw_map_id_is_free	(	m,
		id
	)	(pw_map_item_is_free(pw_map_get_item(m,id)))

#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.

#define PW_MAP_INIT ( extend ) (struct pw_map) { PW_ARRAY_INIT(extend), SPA_ID_INVALID }

#define pw_map_item_is_free ( item ) ((item)->next & 0x1)

#define pw_map_lookup_unchecked	(	m,
		id
	)	pw_map_get_item(m,id)->data

#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.