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-rw-r--r--lwip/src/include/lwip/inet.h169
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diff --git a/lwip/src/include/lwip/inet.h b/lwip/src/include/lwip/inet.h
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+/**
+ * @file
+ * This file (together with sockets.h) aims to provide structs and functions from
+ * - arpa/inet.h
+ * - netinet/in.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_HDR_INET_H
+#define LWIP_HDR_INET_H
+
+#include "lwip/opt.h"
+#include "lwip/def.h"
+#include "lwip/ip_addr.h"
+#include "lwip/ip6_addr.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* If your port already typedef's in_addr_t, define IN_ADDR_T_DEFINED
+ to prevent this code from redefining it. */
+#if !defined(in_addr_t) && !defined(IN_ADDR_T_DEFINED)
+typedef u32_t in_addr_t;
+#endif
+
+struct in_addr {
+ in_addr_t s_addr;
+};
+
+struct in6_addr {
+ union {
+ u32_t u32_addr[4];
+ u8_t u8_addr[16];
+ } un;
+#define s6_addr un.u8_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
+
+/** This macro can be used to initialize a variable of type struct in6_addr
+ to the IPv6 wildcard address. */
+#define IN6ADDR_ANY_INIT {{{0,0,0,0}}}
+/** This macro can be used to initialize a variable of type struct in6_addr
+ to the IPv6 loopback address. */
+#define IN6ADDR_LOOPBACK_INIT {{{0,0,0,PP_HTONL(1)}}}
+/** This variable is initialized by the system to contain the wildcard IPv6 address. */
+extern const struct in6_addr in6addr_any;
+
+/* Definitions of the bits in an (IPv4) 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
+
+
+#ifndef INET_ADDRSTRLEN
+#define INET_ADDRSTRLEN IP4ADDR_STRLEN_MAX
+#endif
+#if LWIP_IPV6
+#ifndef INET6_ADDRSTRLEN
+#define INET6_ADDRSTRLEN IP6ADDR_STRLEN_MAX
+#endif
+#endif
+
+#if LWIP_IPV4
+
+#define inet_addr_from_ip4addr(target_inaddr, source_ipaddr) ((target_inaddr)->s_addr = ip4_addr_get_u32(source_ipaddr))
+#define inet_addr_to_ip4addr(target_ipaddr, source_inaddr) (ip4_addr_set_u32(target_ipaddr, (source_inaddr)->s_addr))
+
+/* directly map this to the lwip internal functions */
+#define inet_addr(cp) ipaddr_addr(cp)
+#define inet_aton(cp, addr) ip4addr_aton(cp, (ip4_addr_t*)addr)
+#define inet_ntoa(addr) ip4addr_ntoa((const ip4_addr_t*)&(addr))
+#define inet_ntoa_r(addr, buf, buflen) ip4addr_ntoa_r((const ip4_addr_t*)&(addr), buf, buflen)
+
+#endif /* LWIP_IPV4 */
+
+#if LWIP_IPV6
+#define inet6_addr_from_ip6addr(target_in6addr, source_ip6addr) {(target_in6addr)->un.u32_addr[0] = (source_ip6addr)->addr[0]; \
+ (target_in6addr)->un.u32_addr[1] = (source_ip6addr)->addr[1]; \
+ (target_in6addr)->un.u32_addr[2] = (source_ip6addr)->addr[2]; \
+ (target_in6addr)->un.u32_addr[3] = (source_ip6addr)->addr[3];}
+#define inet6_addr_to_ip6addr(target_ip6addr, source_in6addr) {(target_ip6addr)->addr[0] = (source_in6addr)->un.u32_addr[0]; \
+ (target_ip6addr)->addr[1] = (source_in6addr)->un.u32_addr[1]; \
+ (target_ip6addr)->addr[2] = (source_in6addr)->un.u32_addr[2]; \
+ (target_ip6addr)->addr[3] = (source_in6addr)->un.u32_addr[3]; \
+ ip6_addr_clear_zone(target_ip6addr);}
+
+/* directly map this to the lwip internal functions */
+#define inet6_aton(cp, addr) ip6addr_aton(cp, (ip6_addr_t*)addr)
+#define inet6_ntoa(addr) ip6addr_ntoa((const ip6_addr_t*)&(addr))
+#define inet6_ntoa_r(addr, buf, buflen) ip6addr_ntoa_r((const ip6_addr_t*)&(addr), buf, buflen)
+
+#endif /* LWIP_IPV6 */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_HDR_INET_H */
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