dev
Fork of lwip by
Diff: include/ipv4/lwip/inet.h
- Revision:
- 0:51ac1d130fd4
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/include/ipv4/lwip/inet.h Fri Jun 22 09:25:39 2012 +0000 @@ -0,0 +1,107 @@ +/* + * 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/def.h" +#include "lwip/ip_addr.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** For compatibility with BSD code */ +struct in_addr { + u32_t s_addr; +}; + +/** 255.255.255.255 */ +#define INADDR_NONE IPADDR_NONE +/** 127.0.0.1 */ +#define INADDR_LOOPBACK IPADDR_LOOPBACK +/** 0.0.0.0 */ +#define INADDR_ANY IPADDR_ANY +/** 255.255.255.255 */ +#define INADDR_BROADCAST IPADDR_BROADCAST + +/* Definitions of the bits in an Internet address integer. + + On subnets, host and network parts are found according to + the subnet mask, not these masks. */ +#define IN_CLASSA(a) IP_CLASSA(a) +#define IN_CLASSA_NET IP_CLASSA_NET +#define IN_CLASSA_NSHIFT IP_CLASSA_NSHIFT +#define IN_CLASSA_HOST IP_CLASSA_HOST +#define IN_CLASSA_MAX IP_CLASSA_MAX + +#define IN_CLASSB(b) IP_CLASSB(b) +#define IN_CLASSB_NET IP_CLASSB_NET +#define IN_CLASSB_NSHIFT IP_CLASSB_NSHIFT +#define IN_CLASSB_HOST IP_CLASSB_HOST +#define IN_CLASSB_MAX IP_CLASSB_MAX + +#define IN_CLASSC(c) IP_CLASSC(c) +#define IN_CLASSC_NET IP_CLASSC_NET +#define IN_CLASSC_NSHIFT IP_CLASSC_NSHIFT +#define IN_CLASSC_HOST IP_CLASSC_HOST +#define IN_CLASSC_MAX IP_CLASSC_MAX + +#define IN_CLASSD(d) IP_CLASSD(d) +#define IN_CLASSD_NET IP_CLASSD_NET /* These ones aren't really */ +#define IN_CLASSD_NSHIFT IP_CLASSD_NSHIFT /* net and host fields, but */ +#define IN_CLASSD_HOST IP_CLASSD_HOST /* routing needn't know. */ +#define IN_CLASSD_MAX IP_CLASSD_MAX + +#define IN_MULTICAST(a) IP_MULTICAST(a) + +#define IN_EXPERIMENTAL(a) IP_EXPERIMENTAL(a) +#define IN_BADCLASS(a) IP_BADCLASS(a) + +#define IN_LOOPBACKNET IP_LOOPBACKNET + +#define inet_addr_from_ipaddr(target_inaddr, source_ipaddr) ((target_inaddr)->s_addr = ip4_addr_get_u32(source_ipaddr)) +#define inet_addr_to_ipaddr(target_ipaddr, source_inaddr) (ip4_addr_set_u32(target_ipaddr, (source_inaddr)->s_addr)) +/* ATTENTION: the next define only works because both s_addr and ip_addr_t are an u32_t effectively! */ +#define inet_addr_to_ipaddr_p(target_ipaddr_p, source_inaddr) ((target_ipaddr_p) = (ip_addr_t*)&((source_inaddr)->s_addr)) + +/* directly map this to the lwip internal functions */ +#define inet_addr(cp) ipaddr_addr(cp) +#define inet_aton(cp, addr) ipaddr_aton(cp, (ip_addr_t*)addr) +#define inet_ntoa(addr) ipaddr_ntoa((ip_addr_t*)&(addr)) +#define inet_ntoa_r(addr, buf, buflen) ipaddr_ntoa_r((ip_addr_t*)&(addr), buf, buflen) + +#ifdef __cplusplus +} +#endif + +#endif /* __LWIP_INET_H__ */