[NaCl SDK] nacl_io: add getnameinfo scaffolding

native_client_sdk/src/libraries/nacl_io/kernel_intercept.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "nacl_io/kernel_intercept.h"
 
 #include <assert.h>
 #include <errno.h>
 #include <string.h>
 
@@ skipping 464 matching lines @@
 int ki_connect(int fd, const struct sockaddr* addr, socklen_t len) {
   ON_NOSYS_RETURN(-1);
   return s_state.kp->connect(fd, addr, len);
 }
 
 struct hostent* ki_gethostbyname(const char* name) {
   ON_NOSYS_RETURN(NULL);
   return s_state.kp->gethostbyname(name);
 }
 
+int ki_getnameinfo(const struct sockaddr *sa,
+                   socklen_t salen,
+                   char *host,
+                   size_t hostlen,
+                   char *serv,
+                   size_t servlen,
+                   unsigned int flags) {
+  ON_NOSYS_RETURN(EAI_SYSTEM);
+  return s_state.kp->getnameinfo(sa, salen, host, hostlen, serv, servlen,
+                                 flags);
+}
+
 int ki_getaddrinfo(const char* node,
                    const char* service,
                    const struct addrinfo* hints,
                    struct addrinfo** res) {
   ON_NOSYS_RETURN(EAI_SYSTEM);
   return s_state.kp->getaddrinfo(node, service, hints, res);
 }
 
 void ki_freeaddrinfo(struct addrinfo* res) {
   s_state.kp->freeaddrinfo(res);
@@ skipping 76 matching lines @@
 int ki_socket(int domain, int type, int protocol) {
   ON_NOSYS_RETURN(-1);
   return s_state.kp->socket(domain, type, protocol);
 }
 
 int ki_socketpair(int domain, int type, int protocol, int* sv) {
   ON_NOSYS_RETURN(-1);
   return s_state.kp->socketpair(domain, type, protocol, sv);
 }
 #endif  // PROVIDES_SOCKET_API