Restored Contiki compatibility with non-C99 compilers.
(and compilers without non-standard extensions like void pointer arithmetic)
This commit is contained in:
Oliver Schmidt
parent
3a486d3954
commit
8fa9767d47
@ -75,7 +75,6 @@
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#include <string.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <ctype.h>
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#ifndef NULL
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@ -206,18 +205,13 @@ struct dns_hdr {
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/** These default values for the DNS server are Google's public DNS:
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* <https://developers.google.com/speed/public-dns/docs/using>
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*/
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static uip_ipaddr_t resolv_default_dns_server =
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#if UIP_CONF_IPV6
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static uip_ipaddr_t resolv_default_dns_server = {
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.u8 = {
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0x20, 0x01, 0x48, 0x60,
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0x48, 0x60, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x88, 0x88,
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}
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};
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#else
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static uip_ipaddr_t resolv_default_dns_server = {.u8 = {8, 8, 8, 8} };
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#endif
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{ { 0x20, 0x01, 0x48, 0x60, 0x48, 0x60, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88, 0x88 } };
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#else /* UIP_CONF_IPV6 */
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{ { 8, 8, 8, 8 } };
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#endif /* UIP_CONF_IPV6 */
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/** \internal The DNS answer message structure. */
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struct dns_answer {
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@ -294,22 +288,15 @@ enum {
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static uint8_t mdns_state;
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static const uip_ipaddr_t resolv_mdns_addr =
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#if UIP_CONF_IPV6
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{ { 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfb } };
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#include "net/uip-ds6.h"
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static const uip_ipaddr_t resolv_mdns_addr = {
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.u8 = {
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0xff, 0x02, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0xfb,
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}
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};
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#else /* UIP_CONF_IPV6 */
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static const uip_ipaddr_t resolv_mdns_addr = {
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.u8 = {224, 0, 0, 251}
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};
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#endif /* !UIP_CONF_IPV6 */
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static bool mdns_needs_host_announce;
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{ { 224, 0, 0, 251 } };
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#endif /* UIP_CONF_IPV6 */
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static int mdns_needs_host_announce;
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PROCESS(mdns_probe_process, "mDNS probe");
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#endif /* RESOLV_CONF_SUPPORTS_MDNS */
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@ -317,12 +304,12 @@ PROCESS(mdns_probe_process, "mDNS probe");
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/*---------------------------------------------------------------------------*/
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/** \internal
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* \brief Decodes a DNS name from the DNS format into the given string.
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* \return True upon success, False if the size of the name would be too large.
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* \return 1 upon success, 0 if the size of the name would be too large.
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*
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* \note `dest` must point to a buffer with at least
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* `RESOLV_CONF_MAX_DOMAIN_NAME_SIZE+1` bytes large.
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*/
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static bool
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static int
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decode_name(const unsigned char *query, char *dest,
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const unsigned char *packet)
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{
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@ -351,7 +338,7 @@ decode_name(const unsigned char *query, char *dest,
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if(!--len) {
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*dest = 0;
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return false;
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return 0;
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}
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}
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@ -372,14 +359,14 @@ decode_name(const unsigned char *query, char *dest,
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/*---------------------------------------------------------------------------*/
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/** \internal
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*/
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static bool
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static int
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dns_name_isequal(const unsigned char *queryptr, const char *name,
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const unsigned char *packet)
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{
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unsigned char n = *queryptr++;
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if(*name == 0)
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return false;
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return 0;
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while(n) {
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if(n & 0xc0) {
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@ -389,18 +376,18 @@ dns_name_isequal(const unsigned char *queryptr, const char *name,
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for(; n; n--) {
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if(!*name) {
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return false;
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return 0;
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}
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if(tolower(*name++) != tolower(*queryptr++)) {
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return false;
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return 0;
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}
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}
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n = *queryptr++;
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if((n != 0) && (*name++ != '.')) {
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return false;
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return 0;
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}
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}
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@ -479,7 +466,7 @@ encode_name(unsigned char *query, const char *nameptr)
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static void
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mdns_announce_requested(void)
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{
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mdns_needs_host_announce = true;
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mdns_needs_host_announce = 1;
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}
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/*---------------------------------------------------------------------------*/
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@ -689,7 +676,7 @@ check_entries(void)
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hdr->flags1 = DNS_FLAG1_RD;
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#endif
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hdr->numquestions = UIP_HTONS(1);
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query = uip_appdata + sizeof(*hdr);
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query = (char *)uip_appdata + sizeof(*hdr);
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query = encode_name(query, namemapptr->name);
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#if RESOLV_CONF_SUPPORTS_MDNS
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if(namemapptr->is_probe) {
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@ -726,8 +713,7 @@ check_entries(void)
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uip_udp_packet_sendto(resolv_conn,
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uip_appdata,
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(query - (uint8_t *) uip_appdata),
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&resolv_mdns_addr, UIP_HTONS(MDNS_PORT)
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);
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&resolv_mdns_addr, UIP_HTONS(MDNS_PORT));
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PRINTF("resolver: (i=%d) Sent MDNS request for \"%s\".\n", i,
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namemapptr->name);
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@ -735,8 +721,7 @@ check_entries(void)
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uip_udp_packet_sendto(resolv_conn,
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uip_appdata,
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(query - (uint8_t *) uip_appdata),
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&resolv_default_dns_server, UIP_HTONS(DNS_PORT)
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);
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&resolv_default_dns_server, UIP_HTONS(DNS_PORT));
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PRINTF("resolver: (i=%d) Sent DNS request for \"%s\".\n", i,
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namemapptr->name);
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@ -745,8 +730,7 @@ check_entries(void)
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uip_udp_packet_sendto(resolv_conn,
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uip_appdata,
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(query - (uint8_t *) uip_appdata),
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&resolv_default_dns_server, UIP_HTONS(DNS_PORT)
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);
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&resolv_default_dns_server, UIP_HTONS(DNS_PORT));
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PRINTF("resolver: (i=%d) Sent DNS request for \"%s\".\n", i,
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namemapptr->name);
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#endif
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@ -942,8 +926,7 @@ newdata(void)
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debug_name, uip_ntohs(ans->type),
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uip_ntohs(ans->class) & 0x7FFF,
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(int)((uint32_t) uip_ntohs(ans->ttl[0]) << 16) | (uint32_t)
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uip_ntohs(ans->ttl[1]), uip_ntohs(ans->len)
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);
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uip_ntohs(ans->ttl[1]), uip_ntohs(ans->len));
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#endif
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/* Check the class and length of the answer to make sure
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@ -1175,8 +1158,7 @@ PROCESS_THREAD(resolv_process, ev, data)
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uip_udp_packet_sendto(resolv_conn,
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uip_appdata,
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len, &resolv_mdns_addr, UIP_HTONS(MDNS_PORT)
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);
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len, &resolv_mdns_addr, UIP_HTONS(MDNS_PORT));
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mdns_needs_host_announce = 0;
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@ -1324,20 +1306,13 @@ resolv_lookup(const char *name, uip_ipaddr_t ** ipaddr)
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#if UIP_CONF_LOOPBACK_INTERFACE
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if(strcmp(name, "localhost")) {
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static uip_ipaddr_t loopback =
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#if UIP_CONF_IPV6
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static uip_ipaddr_t loopback = {
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.u8 = {
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x01,
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}
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};
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#else
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static uip_ipaddr_t loopback = {
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.u8 = {127, 0, 0, 1}
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};
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#endif
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{ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } };
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#else /* UIP_CONF_IPV6 */
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{ { 127, 0, 0, 1 } };
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#endif /* UIP_CONF_IPV6 */
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if(ipaddr) {
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*ipaddr = &loopback;
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}
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