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author | SVN Migration <svn@php.net> | 2003-02-27 17:43:39 +0000 |
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committer | SVN Migration <svn@php.net> | 2003-02-27 17:43:39 +0000 |
commit | 078bcec0997ad0e07b720c43cc9e6d0e046a75ab (patch) | |
tree | 36cb0f6be2ef078fe3374de8c087b93ecf82f812 /Zend/zend_llist.c | |
parent | fd61f69077f6156ca71dde60ecfd9ed9765a02db (diff) | |
download | php-git-PHP-5.tar.gz |
This commit was manufactured by cvs2svn to create branch 'PHP_5'.PHP-5
Diffstat (limited to 'Zend/zend_llist.c')
-rw-r--r-- | Zend/zend_llist.c | 317 |
1 files changed, 0 insertions, 317 deletions
diff --git a/Zend/zend_llist.c b/Zend/zend_llist.c deleted file mode 100644 index 13fab349af..0000000000 --- a/Zend/zend_llist.c +++ /dev/null @@ -1,317 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | Zend Engine | - +----------------------------------------------------------------------+ - | Copyright (c) 1998-2003 Zend Technologies Ltd. (http://www.zend.com) | - +----------------------------------------------------------------------+ - | This source file is subject to version 2.00 of the Zend license, | - | that is bundled with this package in the file LICENSE, and is | - | available at through the world-wide-web at | - | http://www.zend.com/license/2_00.txt. | - | If you did not receive a copy of the Zend license and are unable to | - | obtain it through the world-wide-web, please send a note to | - | license@zend.com so we can mail you a copy immediately. | - +----------------------------------------------------------------------+ - | Authors: Andi Gutmans <andi@zend.com> | - | Zeev Suraski <zeev@zend.com> | - +----------------------------------------------------------------------+ -*/ - -/* $Id$ */ - -#include "zend.h" -#include "zend_llist.h" -#include "zend_qsort.h" - -ZEND_API void zend_llist_init(zend_llist *l, size_t size, llist_dtor_func_t dtor, unsigned char persistent) -{ - l->head = NULL; - l->tail = NULL; - l->count = 0; - l->size = size; - l->dtor = dtor; - l->persistent = persistent; -} - - -ZEND_API void zend_llist_add_element(zend_llist *l, void *element) -{ - zend_llist_element *tmp = pemalloc(sizeof(zend_llist_element)+l->size-1, l->persistent); - - tmp->prev = l->tail; - tmp->next = NULL; - if (l->tail) { - l->tail->next = tmp; - } else { - l->head = tmp; - } - l->tail = tmp; - memcpy(tmp->data, element, l->size); - - ++l->count; -} - - -ZEND_API void zend_llist_prepend_element(zend_llist *l, void *element) -{ - zend_llist_element *tmp = pemalloc(sizeof(zend_llist_element)+l->size-1, l->persistent); - - tmp->next = l->head; - tmp->prev = NULL; - if (l->head) { - l->head->prev = tmp; - } else { - l->tail = tmp; - } - l->head = tmp; - memcpy(tmp->data, element, l->size); - - ++l->count; -} - - -#define DEL_LLIST_ELEMENT(current, l) \ - if ((current)->prev) {\ - (current)->prev->next = (current)->next;\ - } else {\ - (l)->head = (current)->next;\ - }\ - if ((current)->next) {\ - (current)->next->prev = (current)->prev;\ - } else {\ - (l)->tail = (current)->prev;\ - }\ - if ((l)->dtor) {\ - (l)->dtor((current)->data);\ - }\ - pefree((current), (l)->persistent);\ - --l->count; - - -ZEND_API void zend_llist_del_element(zend_llist *l, void *element, int (*compare)(void *element1, void *element2)) -{ - zend_llist_element *current=l->head; - zend_llist_element *next; - - while (current) { - next = current->next; - if (compare(current->data, element)) { - DEL_LLIST_ELEMENT(current, l); - break; - } - current = next; - } -} - - -ZEND_API void zend_llist_destroy(zend_llist *l) -{ - zend_llist_element *current=l->head, *next; - - while (current) { - next = current->next; - if (l->dtor) { - l->dtor(current->data); - } - pefree(current, l->persistent); - current = next; - } - - l->count = 0; -} - - -ZEND_API void zend_llist_clean(zend_llist *l) -{ - zend_llist_destroy(l); - l->head = l->tail = NULL; -} - - -ZEND_API void *zend_llist_remove_tail(zend_llist *l) -{ - zend_llist_element *old_tail; - void *data; - - if ((old_tail = l->tail)) { - if (l->tail->prev) { - l->tail->prev->next = NULL; - } - - data = old_tail->data; - - l->tail = l->tail->prev; - if (l->dtor) { - l->dtor(data); - } - pefree(old_tail, l->persistent); - - --l->count; - - return data; - } - - return NULL; -} - - -ZEND_API void zend_llist_copy(zend_llist *dst, zend_llist *src) -{ - zend_llist_element *ptr; - - zend_llist_init(dst, src->size, src->dtor, src->persistent); - ptr = src->head; - while (ptr) { - zend_llist_add_element(dst, ptr->data); - ptr = ptr->next; - } -} - - -ZEND_API void zend_llist_apply_with_del(zend_llist *l, int (*func)(void *data)) -{ - zend_llist_element *element, *next; - - element=l->head; - while (element) { - next = element->next; - if (func(element->data)) { - DEL_LLIST_ELEMENT(element, l); - } - element = next; - } -} - - -ZEND_API void zend_llist_apply(zend_llist *l, llist_apply_func_t func TSRMLS_DC) -{ - zend_llist_element *element; - - for (element=l->head; element; element=element->next) { - func(element->data TSRMLS_CC); - } -} - -ZEND_API void zend_llist_sort(zend_llist *l, llist_compare_func_t comp_func TSRMLS_DC) -{ - size_t i; - - zend_llist_element **elements; - zend_llist_element *element, **ptr; - - if (l->count <= 0) { - return; - } - - elements = (zend_llist_element **) emalloc(l->count * sizeof(zend_llist_element *)); - - ptr = &elements[0]; - - for (element=l->head; element; element=element->next) { - *ptr++ = element; - } - - zend_qsort(elements, l->count, sizeof(zend_llist_element *), (compare_func_t) comp_func TSRMLS_CC); - - l->head = elements[0]; - elements[0]->prev = NULL; - - for (i = 1; i < l->count; i++) { - elements[i]->prev = elements[i-1]; - elements[i-1]->next = elements[i]; - } - elements[i-1]->next = NULL; - l->tail = elements[i-1]; - efree(elements); -} - - -ZEND_API void zend_llist_apply_with_argument(zend_llist *l, llist_apply_with_arg_func_t func, void *arg TSRMLS_DC) -{ - zend_llist_element *element; - - for (element=l->head; element; element=element->next) { - func(element->data, arg TSRMLS_CC); - } -} - - -ZEND_API void zend_llist_apply_with_arguments(zend_llist *l, llist_apply_with_args_func_t func TSRMLS_DC, int num_args, ...) -{ - zend_llist_element *element; - va_list args; - - va_start(args, num_args); - for (element=l->head; element; element=element->next) { - func(element->data, num_args, args TSRMLS_CC); - } - va_end(args); -} - - -ZEND_API int zend_llist_count(zend_llist *l) -{ - return l->count; -} - - -ZEND_API void *zend_llist_get_first_ex(zend_llist *l, zend_llist_position *pos) -{ - zend_llist_position *current = pos ? pos : &l->traverse_ptr; - - *current = l->head; - if (*current) { - return (*current)->data; - } else { - return NULL; - } -} - - -ZEND_API void *zend_llist_get_last_ex(zend_llist *l, zend_llist_position *pos) -{ - zend_llist_position *current = pos ? pos : &l->traverse_ptr; - - *current = l->tail; - if (*current) { - return (*current)->data; - } else { - return NULL; - } -} - - -ZEND_API void *zend_llist_get_next_ex(zend_llist *l, zend_llist_position *pos) -{ - zend_llist_position *current = pos ? pos : &l->traverse_ptr; - - if (*current) { - *current = (*current)->next; - if (*current) { - return (*current)->data; - } - } - return NULL; -} - - -ZEND_API void *zend_llist_get_prev_ex(zend_llist *l, zend_llist_position *pos) -{ - zend_llist_position *current = pos ? pos : &l->traverse_ptr; - - if (*current) { - *current = (*current)->prev; - if (*current) { - return (*current)->data; - } - } - return NULL; -} - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * indent-tabs-mode: t - * End: - */ |