incubator-nuttx/include/arpa/inet.h

147 lines
4.9 KiB
C

/****************************************************************************
* include/arpa/inet.h
*
* Copyright (C) 2007, 2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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. Neither the name Gregory Nutt nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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
* COPYRIGHT OWNER OR CONTRIBUTORS 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.
*
****************************************************************************/
#ifndef __INCLUDE_ARPA_INET_H
#define __INCLUDE_ARPA_INET_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdint.h>
#include <netinet/in.h>
/****************************************************************************
* Public Type Definitions
****************************************************************************/
/* Length of the string form for IP address (excludes NULL termination) */
#define INET_ADDRSTRLEN 16
/* Length of the string form for IPv6 address (excludes NULL termination) */
#define INET6_ADDRSTRLEN 46
/* This macro to convert a 16/32-bit constant values quantity from host byte
* order to network byte order. The 16-bit version of this macro is required
* for uIP:
*
* Author Adam Dunkels <adam@dunkels.com>
* Copyright (c) 2001-2003, Adam Dunkels.
* All rights reserved.
*/
#ifdef CONFIG_ENDIAN_BIG
# define HTONS(ns) (ns)
# define HTONL(nl) (nl)
#else
# define HTONS(ns) \
(unsigned short) \
(((((unsigned short)(ns)) & 0x00ff) << 8) | \
((((unsigned short)(ns)) >> 8) & 0x00ff))
# define HTONL(nl) \
(unsigned long) \
(((((unsigned long)(nl)) & 0x000000ffUL) << 24) | \
((((unsigned long)(nl)) & 0x0000ff00UL) << 8) | \
((((unsigned long)(nl)) & 0x00ff0000UL) >> 8) | \
((((unsigned long)(nl)) & 0xff000000UL) >> 24))
#endif
#define NTOHS(hs) HTONS(hs)
#define NTOHL(hl) HTONL(hl)
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/* Functions to convert between host and network byte ordering.
*
* REVISIT: Since network order is defined as big-endian, the following
* functions are equivalent to functions declared in endian.h:
*
* htonl htobe32
* htons htobe16
* ntohl be32toh
* ntohs be16toh
*/
uint32_t ntohl(uint32_t nl);
uint16_t ntohs(uint16_t ns);
uint32_t htonl(uint32_t hl);
uint16_t htons(uint16_t hs);
/* Functions to manipulate address representations */
int inet_aton(FAR const char *cp, FAR struct in_addr *inp);
in_addr_t inet_addr(FAR const char *cp);
in_addr_t inet_network(FAR const char *cp);
#ifdef CONFIG_CAN_PASS_STRUCTS
FAR char *inet_ntoa(struct in_addr in);
in_addr_t inet_lnaof(struct in_addr in);
in_addr_t inet_netof(struct in_addr in);
#else
FAR char *_inet_ntoa(in_addr_t in);
# define inet_ntoa(in) _inet_ntoa(in.s_addr);
in_addr_t _inet_lnaof(in_addr_t in);
# define inet_lnaof(in) _inet_lnaof(in.s_addr);
in_addr_t _inet_netof(in_addr_t in);
# define inet_netof(in) _inet_netof(in.s_addr);
#endif
struct in_addr inet_makeaddr(in_addr_t net, in_addr_t host);
int inet_pton(int af, FAR const char *src, FAR void *dst);
const char *inet_ntop(int af, FAR const void *src, FAR char *dst, socklen_t size);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __INCLUDE_ARPA_INET_H */