lwip/src/include/ipv4/lwip/inet.h

/*
 * 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 <adam@sics.se>
 *
 */
#ifndef __LWIP_INET_H__
#define __LWIP_INET_H__

#include "lwip/opt.h"

#include "lwip/ip_addr.h"

#ifdef __cplusplus
extern "C" {
#endif

u32_t inet_addr(const char *cp);
int inet_aton(const char *cp, struct in_addr *addr);
char *inet_ntoa(struct in_addr addr); /* returns ptr to static buffer; not reentrant! */

#ifdef htons
#undef htons
#endif /* htons */
#ifdef htonl
#undef htonl
#endif /* htonl */
#ifdef ntohs
#undef ntohs
#endif /* ntohs */
#ifdef ntohl
#undef ntohl
#endif /* ntohl */

#ifndef LWIP_PLATFORM_BYTESWAP
#define LWIP_PLATFORM_BYTESWAP 0
#endif

#if BYTE_ORDER == BIG_ENDIAN
#define htons(x) (x)
#define ntohs(x) (x)
#define htonl(x) (x)
#define ntohl(x) (x)
#else /* BYTE_ORDER != BIG_ENDIAN */
#ifdef LWIP_PREFIX_BYTEORDER_FUNCS
/* workaround for naming collisions on some platforms */
#define htons lwip_htons
#define ntohs lwip_ntohs
#define htonl lwip_htonl
#define ntohl lwip_ntohl
#endif /* LWIP_PREFIX_BYTEORDER_FUNCS */
#if LWIP_PLATFORM_BYTESWAP
/*
#define htons(x) LWIP_PLATFORM_HTONS(x)
#define ntohs(x) LWIP_PLATFORM_HTONS(x)
#define htonl(x) LWIP_PLATFORM_HTONL(x)
#define ntohl(x) LWIP_PLATFORM_HTONL(x)
*/
#define ntohs(x) htons(x)
#define ntohl(x) htonl(x)
#else /* LWIP_PLATFORM_BYTESWAP */
u16_t htons(u16_t x);
u16_t ntohs(u16_t x);
u32_t htonl(u32_t x);
u32_t ntohl(u32_t x);
#endif /* LWIP_PLATFORM_BYTESWAP */

#endif /* BYTE_ORDER == BIG_ENDIAN */

#ifdef __cplusplus
}
#endif

#endif /* __LWIP_INET_H__ */
Commit	Line	Data
	1	/*
	2	* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without modification,
	6	* are permitted provided that the following conditions are met:
	7	*
	8	* 1. Redistributions of source code must retain the above copyright notice,
	9	* this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright notice,
	11	* this list of conditions and the following disclaimer in the documentation
	12	* and/or other materials provided with the distribution.
	13	* 3. The name of the author may not be used to endorse or promote products
	14	* derived from this software without specific prior written permission.
	15	*
	16	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
	17	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	18	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
	19	* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	20	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
	21	* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	22	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	23	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	24	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
	25	* OF SUCH DAMAGE.
	26	*
	27	* This file is part of the lwIP TCP/IP stack.
	28	*
	29	* Author: Adam Dunkels <adam@sics.se>
	30	*
	31	*/
	32	#ifndef __LWIP_INET_H__
	33	#define __LWIP_INET_H__
	34
	35	#include "lwip/opt.h"
	36
	37	#include "lwip/ip_addr.h"
	38
	39	#ifdef __cplusplus
	40	extern "C" {
	41	#endif
	42
	43	u32_t inet_addr(const char *cp);
	44	int inet_aton(const char cp, struct in_addr addr);
	45	char inet_ntoa(struct in_addr addr); / returns ptr to static buffer; not reentrant! */
	46
	47	#ifdef htons
	48	#undef htons
	49	#endif /* htons */
	50	#ifdef htonl
	51	#undef htonl
	52	#endif /* htonl */
	53	#ifdef ntohs
	54	#undef ntohs
	55	#endif /* ntohs */
	56	#ifdef ntohl
	57	#undef ntohl
	58	#endif /* ntohl */
	59
	60	#ifndef LWIP_PLATFORM_BYTESWAP
	61	#define LWIP_PLATFORM_BYTESWAP 0
	62	#endif
	63
	64	#if BYTE_ORDER == BIG_ENDIAN
	65	#define htons(x) (x)
	66	#define ntohs(x) (x)
	67	#define htonl(x) (x)
	68	#define ntohl(x) (x)
	69	#else /* BYTE_ORDER != BIG_ENDIAN */
	70	#ifdef LWIP_PREFIX_BYTEORDER_FUNCS
	71	/* workaround for naming collisions on some platforms */
	72	#define htons lwip_htons
	73	#define ntohs lwip_ntohs
	74	#define htonl lwip_htonl
	75	#define ntohl lwip_ntohl
	76	#endif /* LWIP_PREFIX_BYTEORDER_FUNCS */
	77	#if LWIP_PLATFORM_BYTESWAP
	78	/*
	79	#define htons(x) LWIP_PLATFORM_HTONS(x)
	80	#define ntohs(x) LWIP_PLATFORM_HTONS(x)
	81	#define htonl(x) LWIP_PLATFORM_HTONL(x)
	82	#define ntohl(x) LWIP_PLATFORM_HTONL(x)
	83	*/
	84	#define ntohs(x) htons(x)
	85	#define ntohl(x) htonl(x)
	86	#else /* LWIP_PLATFORM_BYTESWAP */
	87	u16_t htons(u16_t x);
	88	u16_t ntohs(u16_t x);
	89	u32_t htonl(u32_t x);
	90	u32_t ntohl(u32_t x);
	91	#endif /* LWIP_PLATFORM_BYTESWAP */
	92
	93	#endif /* BYTE_ORDER == BIG_ENDIAN */
	94
	95	#ifdef __cplusplus
	96	}
	97	#endif
	98
	99	#endif /* __LWIP_INET_H__ */