diff options
| author | Lennart Poettering <lennart@poettering.net> | 2010-05-16 18:45:24 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2010-05-16 18:45:24 +0200 |
| commit | e99e38bbdcca3fe5956823bdb3d38544ccf93221 (patch) | |
| tree | 109871cf2bdcad19105d55f4eea62d5495a8f614 /list.h | |
| parent | e9da3678fcfc774b325dc1eaa054d0e00028a1fc (diff) | |
build-sys: move source files to subdirectory
Diffstat (limited to 'list.h')
| -rw-r--r-- | list.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/list.h b/list.h deleted file mode 100644 index 012dd12073..0000000000 --- a/list.h +++ /dev/null @@ -1,119 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8 -*-*/ - -#ifndef foolisthfoo -#define foolisthfoo - -/*** - This file is part of systemd. - - Copyright 2010 Lennart Poettering - - systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - systemd is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with systemd; If not, see <http://www.gnu.org/licenses/>. -***/ - -/* The head of the linked list. Use this in the structure that shall - * contain the head of the linked list */ -#define LIST_HEAD(t,name) \ - t *name - -/* The pointers in the linked list's items. Use this in the item structure */ -#define LIST_FIELDS(t,name) \ - t *name##_next, *name##_prev - -/* Initialize the list's head */ -#define LIST_HEAD_INIT(t,head) \ - do { \ - (head) = NULL; } \ - while(false) - -/* Initialize a list item */ -#define LIST_INIT(t,name,item) \ - do { \ - t *_item = (item); \ - assert(_item); \ - _item->name##_prev = _item->name##_next = NULL; \ - } while(false) - -/* Prepend an item to the list */ -#define LIST_PREPEND(t,name,head,item) \ - do { \ - t **_head = &(head), *_item = (item); \ - assert(_item); \ - if ((_item->name##_next = *_head)) \ - _item->name##_next->name##_prev = _item; \ - _item->name##_prev = NULL; \ - *_head = _item; \ - } while(false) - -/* Remove an item from the list */ -#define LIST_REMOVE(t,name,head,item) \ - do { \ - t **_head = &(head), *_item = (item); \ - assert(_item); \ - if (_item->name##_next) \ - _item->name##_next->name##_prev = _item->name##_prev; \ - if (_item->name##_prev) \ - _item->name##_prev->name##_next = _item->name##_next; \ - else { \ - assert(*_head == _item); \ - *_head = _item->name##_next; \ - } \ - _item->name##_next = _item->name##_prev = NULL; \ - } while(false) - -/* Find the head of the list */ -#define LIST_FIND_HEAD(t,name,item,head) \ - do { \ - t *_item = (item); \ - assert(_item); \ - while ((_item->name##_prev) \ - _item = _item->name##_prev; \ - (head) = _item; \ - } while (false) - -/* Find the head of the list */ -#define LIST_FIND_TAIL(t,name,item,tail) \ - do { \ - t *_item = (item); \ - assert(_item); \ - while (_item->name##_next) \ - _item = _item->name##_next; \ - (tail) = _item; \ - } while (false) - -/* Insert an item after another one (a = where, b = what) */ -#define LIST_INSERT_AFTER(t,name,head,a,b) \ - do { \ - t **_head = &(head), *_a = (a), *_b = (b); \ - assert(_b); \ - if (!_a) { \ - if ((_b->name##_next = *_head)) \ - _b->name##_next->name##_prev = _b; \ - _b->name##_prev = NULL; \ - *_head = _b; \ - } else { \ - if ((_b->name##_next = _a->name##_next)) \ - _b->name##_next->name##_prev = _b; \ - _b->name##_prev = _a; \ - _a->name##_next = _b; \ - } \ - } while(false) - -#define LIST_FOREACH(name,i,head) \ - for ((i) = (head); (i); (i) = (i)->name##_next) - -#define LIST_FOREACH_SAFE(name,i,n,head) \ - for ((i) = (head); (i) && (((n) = (i)->name##_next), 1); (i) = (n)) - -#endif |