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Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_simple_list.h')
| -rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_simple_list.h | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_simple_list.h b/mesalib/src/gallium/auxiliary/util/u_simple_list.h deleted file mode 100644 index 3f7def5fc..000000000 --- a/mesalib/src/gallium/auxiliary/util/u_simple_list.h +++ /dev/null @@ -1,199 +0,0 @@ -/** - * \file simple_list.h - * Simple macros for type-safe, intrusive lists. - * - * Intended to work with a list sentinal which is created as an empty - * list. Insert & delete are O(1). - * - * \author - * (C) 1997, Keith Whitwell - */ - -/* - * Mesa 3-D graphics library - * - * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - - -#ifndef _U_SIMPLE_LIST_H_ -#define _U_SIMPLE_LIST_H_ - -/** - * Remove an element from list. - * - * \param elem element to remove. - */ -#define remove_from_list(elem) \ -do { \ - (elem)->next->prev = (elem)->prev; \ - (elem)->prev->next = (elem)->next; \ - (elem)->next = elem; \ - (elem)->prev = elem; \ -} while (0) - -/** - * Insert an element to the list head. - * - * \param list list. - * \param elem element to insert. - */ -#define insert_at_head(list, elem) \ -do { \ - (elem)->prev = list; \ - (elem)->next = (list)->next; \ - (list)->next->prev = elem; \ - (list)->next = elem; \ -} while(0) - -/** - * Insert an element to the list tail. - * - * \param list list. - * \param elem element to insert. - */ -#define insert_at_tail(list, elem) \ -do { \ - (elem)->next = list; \ - (elem)->prev = (list)->prev; \ - (list)->prev->next = elem; \ - (list)->prev = elem; \ -} while(0) - -/** - * Move an element to the list head. - * - * \param list list. - * \param elem element to move. - */ -#define move_to_head(list, elem) \ -do { \ - remove_from_list(elem); \ - insert_at_head(list, elem); \ -} while (0) - -/** - * Move an element to the list tail. - * - * \param list list. - * \param elem element to move. - */ -#define move_to_tail(list, elem) \ -do { \ - remove_from_list(elem); \ - insert_at_tail(list, elem); \ -} while (0) - -/** - * Make a empty list empty. - * - * \param sentinal list (sentinal element). - */ -#define make_empty_list(sentinal) \ -do { \ - (sentinal)->next = sentinal; \ - (sentinal)->prev = sentinal; \ -} while (0) - -/** - * Get list first element. - * - * \param list list. - * - * \return pointer to first element. - */ -#define first_elem(list) ((list)->next) - -/** - * Get list last element. - * - * \param list list. - * - * \return pointer to last element. - */ -#define last_elem(list) ((list)->prev) - -/** - * Get next element. - * - * \param elem element. - * - * \return pointer to next element. - */ -#define next_elem(elem) ((elem)->next) - -/** - * Get previous element. - * - * \param elem element. - * - * \return pointer to previous element. - */ -#define prev_elem(elem) ((elem)->prev) - -/** - * Test whether element is at end of the list. - * - * \param list list. - * \param elem element. - * - * \return non-zero if element is at end of list, or zero otherwise. - */ -#define at_end(list, elem) ((elem) == (list)) - -/** - * Test if a list is empty. - * - * \param list list. - * - * \return non-zero if list empty, or zero otherwise. - */ -#define is_empty_list(list) ((list)->next == (list)) - -/** - * Walk through the elements of a list. - * - * \param ptr pointer to the current element. - * \param list list. - * - * \note It should be followed by a { } block or a single statement, as in a \c - * for loop. - */ -#define foreach(ptr, list) \ - for( ptr=(list)->next ; ptr!=list ; ptr=(ptr)->next ) - -/** - * Walk through the elements of a list. - * - * Same as #foreach but lets you unlink the current value during a list - * traversal. Useful for freeing a list, element by element. - * - * \param ptr pointer to the current element. - * \param t temporary pointer. - * \param list list. - * - * \note It should be followed by a { } block or a single statement, as in a \c - * for loop. - */ -#define foreach_s(ptr, t, list) \ - for(ptr=(list)->next,t=(ptr)->next; list != ptr; ptr=t, t=(t)->next) - -#endif /* _U_SIMPLE_LIST_H_ */ |