93 lines
3.9 KiB
C
93 lines
3.9 KiB
C
/*
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+----------------------------------------------------------------------+
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| Zend Engine |
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+----------------------------------------------------------------------+
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| Copyright © Zend Technologies Ltd., a subsidiary company of |
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| Perforce Software, Inc., and Contributors. |
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+----------------------------------------------------------------------+
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| This source file is subject to the Modified BSD License that is |
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| bundled with this package in the file LICENSE, and is available |
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| through the World Wide Web at <https://www.php.net/license/>. |
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| SPDX-License-Identifier: BSD-3-Clause |
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+----------------------------------------------------------------------+
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| Authors: Andi Gutmans <andi@php.net> |
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| Zeev Suraski <zeev@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifndef ZEND_LLIST_H
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#define ZEND_LLIST_H
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#include "zend_portability.h"
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typedef struct _zend_llist_element {
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struct _zend_llist_element *next;
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struct _zend_llist_element *prev;
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char data[1]; /* Needs to always be last in the struct */
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} zend_llist_element;
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typedef void (*llist_dtor_func_t)(void *);
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typedef int (*llist_compare_func_t)(const zend_llist_element **, const zend_llist_element **);
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typedef void (*llist_apply_with_args_func_t)(void *data, int num_args, va_list args);
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typedef void (*llist_apply_with_arg_func_t)(void *data, void *arg);
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typedef void (*llist_apply_func_t)(void *);
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typedef struct _zend_llist {
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zend_llist_element *head;
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zend_llist_element *tail;
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size_t count;
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size_t size;
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llist_dtor_func_t dtor;
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unsigned char persistent;
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zend_llist_element *traverse_ptr;
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} zend_llist;
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typedef zend_llist_element* zend_llist_position;
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BEGIN_EXTERN_C()
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ZEND_API void zend_llist_init(zend_llist *l, size_t size, llist_dtor_func_t dtor, unsigned char persistent);
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ZEND_API void zend_llist_add_element(zend_llist *l, const void *element);
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ZEND_API void zend_llist_prepend_element(zend_llist *l, const void *element);
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ZEND_API void zend_llist_del_element(zend_llist *l, void *element, int (*compare)(void *element1, void *element2));
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ZEND_API void zend_llist_destroy(zend_llist *l);
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ZEND_API void zend_llist_clean(zend_llist *l);
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ZEND_API void zend_llist_remove_tail(zend_llist *l);
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ZEND_API void zend_llist_copy(zend_llist *dst, zend_llist *src);
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ZEND_API void zend_llist_apply(zend_llist *l, llist_apply_func_t func);
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ZEND_API void zend_llist_apply_with_del(zend_llist *l, int (*func)(void *data));
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ZEND_API void zend_llist_apply_with_argument(zend_llist *l, llist_apply_with_arg_func_t func, void *arg);
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ZEND_API void zend_llist_apply_with_arguments(zend_llist *l, llist_apply_with_args_func_t func, int num_args, ...);
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ZEND_API size_t zend_llist_count(zend_llist *l);
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ZEND_API void zend_llist_sort(zend_llist *l, llist_compare_func_t comp_func);
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/* traversal */
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ZEND_API void *zend_llist_get_first_ex(zend_llist *l, zend_llist_position *pos);
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ZEND_API void *zend_llist_get_last_ex(zend_llist *l, zend_llist_position *pos);
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ZEND_API void *zend_llist_get_next_ex(zend_llist *l, zend_llist_position *pos);
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ZEND_API void *zend_llist_get_prev_ex(zend_llist *l, zend_llist_position *pos);
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static zend_always_inline void *zend_llist_get_first(zend_llist *l)
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{
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return zend_llist_get_first_ex(l, NULL);
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}
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static zend_always_inline void *zend_llist_get_last(zend_llist *l)
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{
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return zend_llist_get_last_ex(l, NULL);
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}
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static zend_always_inline void *zend_llist_get_next(zend_llist *l)
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{
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return zend_llist_get_next_ex(l, NULL);
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}
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static zend_always_inline void *zend_llist_get_prev(zend_llist *l)
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{
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return zend_llist_get_prev_ex(l, NULL);
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}
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END_EXTERN_C()
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#endif /* ZEND_LLIST_H */
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