5#ifndef PIPEWIRE_ARRAY_H
6#define PIPEWIRE_ARRAY_H
37#define PW_ARRAY_INIT(extend) ((struct pw_array) { NULL, 0, 0, (extend) })
40#define pw_array_get_len_s(a,s) ((a)->size / (s))
41#define pw_array_get_unchecked_s(a,idx,s,t) SPA_PTROFF((a)->data,(idx)*(s),t)
42#define pw_array_check_index_s(a,idx,s) ((idx) < pw_array_get_len_s(a,s))
45#define pw_array_get_len(a,t) pw_array_get_len_s(a,sizeof(t))
47#define pw_array_get_unchecked(a,idx,t) pw_array_get_unchecked_s(a,idx,sizeof(t),t)
49#define pw_array_check_index(a,idx,t) pw_array_check_index_s(a,idx,sizeof(t))
51#define pw_array_first(a) ((a)->data)
52#define pw_array_end(a) SPA_PTROFF((a)->data, (a)->size, void)
53#define pw_array_check(a,p) (SPA_PTROFF(p,sizeof(*(p)),void) <= pw_array_end(a))
55#define pw_array_for_each(pos, array) \
56 for ((pos) = (__typeof__(pos)) pw_array_first(array); \
57 pw_array_check(array, pos); \
60#define pw_array_consume(pos, array) \
61 for ((pos) = (__typeof__(pos)) pw_array_first(array); \
62 pw_array_check(array, pos); \
63 (pos) = (__typeof__(pos)) pw_array_first(array))
65#define pw_array_remove(a,p) \
67 (a)->size -= sizeof(*(p)); \
68 memmove(p, SPA_PTROFF((p), sizeof(*(p)), void), \
69 SPA_PTRDIFF(pw_array_end(a),(p))); \
static void pw_array_init_static(struct pw_array *arr, void *data, size_t size)
Initialize a static array.
Definition array.h:95
static int pw_array_ensure_size(struct pw_array *arr, size_t size)
Make sure size bytes can be added to the array.
Definition array.h:109
static void pw_array_init(struct pw_array *arr, size_t extend)
Initialize the array with given extend.
Definition array.h:79
static int pw_array_add_ptr(struct pw_array *arr, void *ptr)
Add a pointer to array.
Definition array.h:147
static void pw_array_clear(struct pw_array *arr)
Clear the array.
Definition array.h:87
static void * pw_array_add(struct pw_array *arr, size_t size)
Add ref size bytes to arr.
Definition array.h:132
static void pw_array_reset(struct pw_array *arr)
Reset the array.
Definition array.h:103
#define SPA_ROUND_UP(num, value)
Definition defs.h:330
#define SPA_UNLIKELY(x)
Definition defs.h:369
#define SPA_PTROFF(ptr_, offset_, type_)
Return the address (buffer + offset) as pointer of type.
Definition defs.h:222
size_t size
length of array in bytes
Definition array.h:34
size_t alloc
number of allocated memory in data
Definition array.h:35
size_t extend
number of bytes to extend with, 0 when the data should not expand
Definition array.h:36
void * data
pointer to array data
Definition array.h:33