20 #ifndef __PIPEWIRE_ARRAY_H__ 21 #define __PIPEWIRE_ARRAY_H__ 27 #include <spa/utils/defs.h> 43 #define PW_ARRAY_INIT(extend) (struct pw_array) { NULL, 0, 0, extend } 45 #define pw_array_get_len_s(a,s) ((a)->size / (s)) 46 #define pw_array_get_unchecked_s(a,idx,s,t) SPA_MEMBER((a)->data,(idx)*(s),t) 47 #define pw_array_check_index_s(a,idx,s) ((idx) < pw_array_get_len_s(a,s)) 50 #define pw_array_get_len(a,t) pw_array_get_len_s(a,sizeof(t)) 52 #define pw_array_get_unchecked(a,idx,t) pw_array_get_unchecked_s(a,idx,sizeof(t),t) 54 #define pw_array_check_index(a,idx,t) pw_array_check_index_s(a,idx,sizeof(t)) 56 #define pw_array_for_each(pos, array) \ 57 for (pos = (__typeof__(pos)) (array)->data; \ 58 (const uint8_t *) pos < ((const uint8_t *) (array)->data + (array)->size); \ 70 static inline void pw_array_clear(
struct pw_array *arr)
81 need = arr->
size + size;
83 if (SPA_UNLIKELY(alloc < need)) {
85 alloc = SPA_MAX(alloc, arr->
extend);
88 if (SPA_UNLIKELY((data = realloc(arr->
data, alloc)) == NULL))
105 p = SPA_MEMBER(arr->
data, arr->
size,
void);
117 if (SPA_UNLIKELY(arr->
alloc < arr->
size + size))
120 p = SPA_MEMBER(arr->
data, arr->
size,
void);
127 #define pw_array_add_ptr(a,p) \ 128 *((void**) pw_array_add(a, sizeof(void*))) = (p) static void * pw_array_add(struct pw_array *arr, size_t size)
Add ref size bytes to arr.
Definition: array.h:98
void * data
pointer to array data
Definition: array.h:37
static void pw_array_init(struct pw_array *arr, size_t extend)
Initialize the array with given extend.
Definition: array.h:62
static bool pw_array_ensure_size(struct pw_array *arr, size_t size)
Make sure size bytes can be added to the array.
Definition: array.h:76
An array object.
Definition: array.h:36
size_t alloc
number of allocated memory in data
Definition: array.h:39
size_t extend
number of bytes to extend with
Definition: array.h:40
size_t size
length of array in bytes
Definition: array.h:38
static void * pw_array_add_fixed(struct pw_array *arr, size_t size)
Add ref size bytes to arr.
Definition: array.h:113