+++ /dev/null
-/*
- * Copyright Droids Corporation (2007)
- * Olivier MATZ <zer0@droids-corp.org>
- *
- * This program 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.
- *
- * This program 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; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Revision : $Id: cirbuf_del_tail.c,v 1.1.2.2 2007-09-12 17:52:20 zer0 Exp $
- *
- */
-
-#include <string.h>
-
-#include <cirbuf.h>
-
-
-/* del at tail */
-
-static inline void
-__cirbuf_del_tail(struct cirbuf * cbuf)
-{
- cbuf->len --;
- if (!CIRBUF_IS_EMPTY(cbuf)) {
- cbuf->end += (cbuf->maxlen - 1);
- cbuf->end %= cbuf->maxlen;
- }
-}
-
-cirbuf_int
-cirbuf_del_tail_safe(struct cirbuf * cbuf)
-{
- if (cbuf && !CIRBUF_IS_EMPTY(cbuf)) {
- __cirbuf_del_tail(cbuf);
- return 0;
- }
- return -EINVAL;
-}
-
-void
-cirbuf_del_tail(struct cirbuf * cbuf)
-{
- __cirbuf_del_tail(cbuf);
-}
-
-