diff options
Diffstat (limited to 'lib/fifo.h')
| -rw-r--r-- | lib/fifo.h | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/lib/fifo.h b/lib/fifo.h deleted file mode 100644 index 6f9c59b5c1..0000000000 --- a/lib/fifo.h +++ /dev/null @@ -1,66 +0,0 @@ -/* FIFO common header. - * Copyright (C) 2015 Kunihiro Ishiguro - * - * This file is part of Quagga. - * - * Quagga 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, or (at your option) any - * later version. - * - * Quagga 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 this program; see the file COPYING; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#ifndef __LIB_FIFO_H__ -#define __LIB_FIFO_H__ - -#ifdef __cplusplus -extern "C" { -#endif - -/* FIFO -- first in first out structure and macros. */ -struct fifo { - struct fifo *next; - struct fifo *prev; -}; - -#define FIFO_INIT(F) \ - do { \ - struct fifo *Xfifo = (struct fifo *)(F); \ - Xfifo->next = Xfifo->prev = Xfifo; \ - } while (0) - -#define FIFO_ADD(F, N) \ - do { \ - struct fifo *Xfifo = (struct fifo *)(F); \ - struct fifo *Xnode = (struct fifo *)(N); \ - Xnode->next = Xfifo; \ - Xnode->prev = Xfifo->prev; \ - Xfifo->prev = Xfifo->prev->next = Xnode; \ - } while (0) - -#define FIFO_DEL(N) \ - do { \ - struct fifo *Xnode = (struct fifo *)(N); \ - Xnode->prev->next = Xnode->next; \ - Xnode->next->prev = Xnode->prev; \ - } while (0) - -#define FIFO_HEAD(F) \ - ((((struct fifo *)(F))->next == (struct fifo *)(F)) ? NULL : (F)->next) - -#define FIFO_EMPTY(F) (((struct fifo *)(F))->next == (struct fifo *)(F)) - -#define FIFO_TOP(F) (FIFO_EMPTY(F) ? NULL : ((struct fifo *)(F))->next) - -#ifdef __cplusplus -} -#endif - -#endif /* __LIB_FIFO_H__ */ |