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