134 lines
4 KiB
C
134 lines
4 KiB
C
/*
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* Copyright (c) 2004, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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* $Id: uipbuf.c,v 1.1 2007/11/18 01:18:50 oliverschmidt Exp $
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*/
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#if 0 /* This whole file is #ifdef'd out - the contents are to be removed */
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#include "net/uipbuf.h"
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#include <string.h>
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/*---------------------------------------------------------------------------*/
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void
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uipbuf_setup(struct uipbuf_buffer *buf,
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u8_t *bufptr, u16_t bufsize)
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{
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buf->buffer = buf->ptr = bufptr;
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buf->bufsize = buf->left = bufsize;
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}
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/*---------------------------------------------------------------------------*/
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u8_t
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uipbuf_bufdata(struct uipbuf_buffer *buf, u16_t len,
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u8_t **dataptr, u16_t *datalen)
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{
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if(*datalen < buf->left) {
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memcpy(buf->ptr, *dataptr, *datalen);
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buf->ptr += *datalen;
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buf->left -= *datalen;
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*dataptr += *datalen;
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*datalen = 0;
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return UIPBUF_NOT_FULL;
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} else if(*datalen == buf->left) {
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memcpy(buf->ptr, *dataptr, *datalen);
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buf->ptr += *datalen;
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buf->left = 0;
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*dataptr += *datalen;
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*datalen = 0;
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return UIPBUF_FULL;
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} else {
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memcpy(buf->ptr, *dataptr, buf->left);
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buf->ptr += buf->left;
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*datalen -= buf->left;
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*dataptr += buf->left;
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buf->left = 0;
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return UIPBUF_FULL;
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}
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}
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/*---------------------------------------------------------------------------*/
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u8_t
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uipbuf_bufto(CC_REGISTER_ARG struct uipbuf_buffer *buf, u8_t endmarker,
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CC_REGISTER_ARG u8_t **dataptr, CC_REGISTER_ARG u16_t *datalen)
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{
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u8_t c;
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/*
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int len;
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ptr = memchr(*dataptr, endmarker, *datalen);
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if(ptr != NULL) {
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len = ptr - *dataptr;
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} else {
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len = *datalen;
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}
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memcpy(buf->ptr, *dataptr, len);
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*dataptr += len;
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*datalen -= len;
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buf->ptr += len;
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*/
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while(buf->left > 0 && *datalen > 0) {
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c = *buf->ptr = **dataptr;
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++*dataptr;
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++buf->ptr;
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--*datalen;
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--buf->left;
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if(c == endmarker) {
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return UIPBUF_FOUND;
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}
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}
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if(*datalen == 0) {
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return UIPBUF_NOT_FOUND;
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}
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while(*datalen > 0) {
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c = **dataptr;
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--*datalen;
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++*dataptr;
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if(c == endmarker) {
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return UIPBUF_FOUND | UIPBUF_FULL;
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}
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}
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return UIPBUF_FULL;
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}
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/*----------------------------------------------------------------------------*/
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u16_t
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uipbuf_len(struct uipbuf_buffer *buf)
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{
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return buf->bufsize - buf->left;
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}
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/*----------------------------------------------------------------------------*/
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#endif /* 0 */
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