1 /* 2 +----------------------------------------------------------------------+ 3 | Zend Engine | 4 +----------------------------------------------------------------------+ 5 | Copyright (c) Zend Technologies Ltd. (http://www.zend.com) | 6 +----------------------------------------------------------------------+ 7 | This source file is subject to version 2.00 of the Zend license, | 8 | that is bundled with this package in the file LICENSE, and is | 9 | available through the world-wide-web at the following url: | 10 | http://www.zend.com/license/2_00.txt. | 11 | If you did not receive a copy of the Zend license and are unable to | 12 | obtain it through the world-wide-web, please send a note to | 13 | license@zend.com so we can mail you a copy immediately. | 14 +----------------------------------------------------------------------+ 15 | Authors: Andi Gutmans <andi@php.net> | 16 | Zeev Suraski <zeev@php.net> | 17 +----------------------------------------------------------------------+ 18 */ 19 20 #ifndef ZEND_LLIST_H 21 #define ZEND_LLIST_H 22 23 typedef struct _zend_llist_element { 24 struct _zend_llist_element *next; 25 struct _zend_llist_element *prev; 26 char data[1]; /* Needs to always be last in the struct */ 27 } zend_llist_element; 28 29 typedef void (*llist_dtor_func_t)(void *); 30 typedef int (*llist_compare_func_t)(const zend_llist_element **, const zend_llist_element **); 31 typedef void (*llist_apply_with_args_func_t)(void *data, int num_args, va_list args); 32 typedef void (*llist_apply_with_arg_func_t)(void *data, void *arg); 33 typedef void (*llist_apply_func_t)(void *); 34 35 typedef struct _zend_llist { 36 zend_llist_element *head; 37 zend_llist_element *tail; 38 size_t count; 39 size_t size; 40 llist_dtor_func_t dtor; 41 unsigned char persistent; 42 zend_llist_element *traverse_ptr; 43 } zend_llist; 44 45 typedef zend_llist_element* zend_llist_position; 46 47 BEGIN_EXTERN_C() 48 ZEND_API void zend_llist_init(zend_llist *l, size_t size, llist_dtor_func_t dtor, unsigned char persistent); 49 ZEND_API void zend_llist_add_element(zend_llist *l, const void *element); 50 ZEND_API void zend_llist_prepend_element(zend_llist *l, const void *element); 51 ZEND_API void zend_llist_del_element(zend_llist *l, void *element, int (*compare)(void *element1, void *element2)); 52 ZEND_API void zend_llist_destroy(zend_llist *l); 53 ZEND_API void zend_llist_clean(zend_llist *l); 54 ZEND_API void zend_llist_remove_tail(zend_llist *l); 55 ZEND_API void zend_llist_copy(zend_llist *dst, zend_llist *src); 56 ZEND_API void zend_llist_apply(zend_llist *l, llist_apply_func_t func); 57 ZEND_API void zend_llist_apply_with_del(zend_llist *l, int (*func)(void *data)); 58 ZEND_API void zend_llist_apply_with_argument(zend_llist *l, llist_apply_with_arg_func_t func, void *arg); 59 ZEND_API void zend_llist_apply_with_arguments(zend_llist *l, llist_apply_with_args_func_t func, int num_args, ...); 60 ZEND_API size_t zend_llist_count(zend_llist *l); 61 ZEND_API void zend_llist_sort(zend_llist *l, llist_compare_func_t comp_func); 62 63 /* traversal */ 64 ZEND_API void *zend_llist_get_first_ex(zend_llist *l, zend_llist_position *pos); 65 ZEND_API void *zend_llist_get_last_ex(zend_llist *l, zend_llist_position *pos); 66 ZEND_API void *zend_llist_get_next_ex(zend_llist *l, zend_llist_position *pos); 67 ZEND_API void *zend_llist_get_prev_ex(zend_llist *l, zend_llist_position *pos); 68 69 #define zend_llist_get_first(l) zend_llist_get_first_ex(l, NULL) 70 #define zend_llist_get_last(l) zend_llist_get_last_ex(l, NULL) 71 #define zend_llist_get_next(l) zend_llist_get_next_ex(l, NULL) 72 #define zend_llist_get_prev(l) zend_llist_get_prev_ex(l, NULL) 73 74 END_EXTERN_C() 75 76 #endif /* ZEND_LLIST_H */ 77
