62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
|
|
/*
|
|
* Copyright (C) Igor Sysoev
|
|
* Copyright (C) NGINX, Inc.
|
|
*/
|
|
|
|
#ifndef _NXT_ARRAY_H_INCLUDED_
|
|
#define _NXT_ARRAY_H_INCLUDED_
|
|
|
|
|
|
typedef struct {
|
|
void *elts;
|
|
/* nelts has uint32_t type because it is used most often. */
|
|
uint32_t nelts;
|
|
uint16_t size;
|
|
uint16_t nalloc;
|
|
nxt_mp_t *mem_pool;
|
|
} nxt_array_t;
|
|
|
|
|
|
nxt_inline void
|
|
nxt_array_init(nxt_array_t *array, nxt_mp_t *mp, size_t size)
|
|
{
|
|
array->elts = nxt_pointer_to(array, sizeof(nxt_array_t));
|
|
array->size = size;
|
|
array->mem_pool = mp;
|
|
}
|
|
|
|
NXT_EXPORT nxt_array_t *nxt_array_create(nxt_mp_t *mp, nxt_uint_t n,
|
|
size_t size);
|
|
NXT_EXPORT void nxt_array_destroy(nxt_array_t *array);
|
|
NXT_EXPORT void *nxt_array_add(nxt_array_t *array);
|
|
NXT_EXPORT void *nxt_array_zero_add(nxt_array_t *array);
|
|
NXT_EXPORT void nxt_array_remove(nxt_array_t *array, void *elt);
|
|
NXT_EXPORT nxt_array_t *nxt_array_copy(nxt_mp_t *mp, nxt_array_t *dst,
|
|
nxt_array_t *src);
|
|
|
|
#define \
|
|
nxt_array_last(array) \
|
|
nxt_pointer_to((array)->elts, (array)->size * ((array)->nelts - 1))
|
|
|
|
|
|
#define \
|
|
nxt_array_reset(array) \
|
|
(array)->nelts = 0;
|
|
|
|
|
|
#define \
|
|
nxt_array_is_empty(array) \
|
|
((array)->nelts == 0)
|
|
|
|
|
|
nxt_inline void *
|
|
nxt_array_remove_last(nxt_array_t *array)
|
|
{
|
|
array->nelts--;
|
|
return nxt_pointer_to(array->elts, array->size * array->nelts);
|
|
}
|
|
|
|
|
|
#endif /* _NXT_ARRAY_H_INCLUDED_ */
|