inet.h

来自「AMLOGIC DPF source code」· C头文件 代码 · 共 104 行

/*******************************************************************
 * 
 *  Copyright C 2005 by Amlogic, Inc. All Rights Reserved.
 *
 *  Description: 
 *
 *  Author: Amlogic Software
 *  Created: Fri Nov 11 00:39:57 2005
 *
 *******************************************************************/
/*
 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
 * All rights reserved. 
 * 
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
 * OF SUCH DAMAGE.
 *
 * This file is part of the lwIP TCP/IP stack.
 * 
 * Author: Adam Dunkels <[e-mail]>
 *
 */
#ifndef __LWIP_INET_H__
#define __LWIP_INET_H__

#include "lwip/arch.h"

#include "lwip/opt.h"
#include "lwip/pbuf.h"
#include "lwip/ip_addr.h"

#include <netinet/in.h>

/** @file inet.h Internet Protocol utility routines.
 * @defgroup ip_util Internet Protocol utility routines.  Provided by tcpip.lib.
 * @ingroup Network
 * @{
 */

u16_t inet_chksum(void *dataptr, u16_t len);
u16_t inet_chksum_pbuf(struct pbuf *p);
u16_t inet_chksum_pseudo(struct pbuf *p,
       struct ip_addr *src, struct ip_addr *dest,
       u8_t proto, u16_t proto_len);

u32_t inet_addr(const char *cp);
int inet_aton(const char *cp, struct in_addr *addr);

/**
 * Convert struct in_addr into decimal 
 * dotted ASCII representation.
 * @param [in] addr IP address to convert.
 * @param [in,out] str Buffer to store address.  Must be 16 bytes or more in length.
 * @returns Pointer to \a str.
 */
extern char *inet_ntoa_r(struct in_addr addr, char *str);

/**
 * Convert a struct in_addr into decimal dotted ASCII representation.
 * Uses a static string.  Nonreentrant function.
 * @param [in] addr IP address to convert.
 * @returns Pointer to \a str.
 */
extern char *
inet_ntoa(struct in_addr addr); 

/**
 * Same as inet_aton() except it takes a struct ip_addr instead of
 * a struct in_addr.
 */
extern int
inet_ato_ip(char *cp, struct ip_addr *addr);

/**
 * Same as inet_ntoa() except it takes a struct ip_addr.
 * @param [in] addr IP address to convert.
 * @param [in,out] str Buffer to store address.  Must be 16 bytes or more in length.
 * @returns Pointer to \a str.
 */
extern char *inet_iptoa_r(struct ip_addr addr, char *str);

#endif /* __LWIP_INET_H__ */

/** @} */