+++ /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_add_buf_tail.c,v 1.1.2.2 2007-09-12 17:52:20 zer0 Exp $
- *
- */
-
-#include <string.h>
-
-#include <cirbuf.h>
-
-
-/* multiple add */
-
-cirbuf_int
-cirbuf_add_buf_tail(struct cirbuf * cbuf, const char * c, cirbuf_uint n)
-{
- cirbuf_uint e;
-
- if (!n || n > CIRBUF_GET_FREELEN(cbuf))
- return -EINVAL;
-
- e = CIRBUF_IS_EMPTY(cbuf) ? 1 : 0;
-
- if (n < cbuf->maxlen - cbuf->end - 1 + e) {
- dprintf("s[%d] -> d[%d] (%d)\n", 0, cbuf->end + !e, n);
- memcpy(cbuf->buf + cbuf->end + !e, c, n);
- }
- else {
- dprintf("s[%d] -> d[%d] (%d)\n", cbuf->end + !e, 0, cbuf->maxlen - cbuf->end - 1 + e);
- dprintf("s[%d] -> d[%d] (%d)\n", cbuf->maxlen - cbuf->end - 1 + e, 0, n - cbuf->maxlen + cbuf->end + 1 - e);
- memcpy(cbuf->buf + cbuf->end + !e, c, cbuf->maxlen - cbuf->end - 1 + e);
- memcpy(cbuf->buf, c + cbuf->maxlen - cbuf->end - 1 + e, n - cbuf->maxlen + cbuf->end + 1 - e);
- }
- cbuf->len += n;
- cbuf->end += n - e;
- cbuf->end %= cbuf->maxlen;
- return n;
-}
-