1 files changed, 67 insertions, 0 deletions
diff --git a/otherlibs/unix/getnameinfo.c b/otherlibs/unix/getnameinfo.c
new file mode 100644
index 000000000..a8029eb96
--- /dev/null
+++ b/otherlibs/unix/getnameinfo.c
@@ -0,0 +1,67 @@
+/***********************************************************************/
+/*                                                                     */
+/*                           Objective Caml                            */
+/*                                                                     */
+/*            Xavier Leroy, projet Cristal, INRIA Rocquencourt         */
+/*                                                                     */
+/*  Copyright 2004 Institut National de Recherche en Informatique et   */
+/*  en Automatique.  All rights reserved.  This file is distributed    */
+/*  under the terms of the GNU Library General Public License, with    */
+/*  the special exception on linking described in file ../../LICENSE.  */
+/*                                                                     */
+/***********************************************************************/
+
+/* $Id$ */
+
+#include <string.h>
+#include <mlvalues.h>
+#include <alloc.h>
+#include <memory.h>
+#include <fail.h>
+#include <signals.h>
+#include "unixsupport.h"
+
+#if defined(HAS_SOCKETS) && defined(HAS_IPV6)
+
+#include "socketaddr.h"
+#ifndef _WIN32
+#include <sys/types.h>
+#include <netdb.h>
+#endif
+
+static int getnameinfo_flag_table[] = {
+  NI_NOFQDN, NI_NUMERICHOST, NI_NAMEREQD, NI_NUMERICSERV, NI_DGRAM
+};
+
+CAMLprim value unix_getnameinfo(value vaddr, value vopts)
+{
+  CAMLparam0();
+  CAMLlocal3(vhost, vserv, vres);
+  union sock_addr_union addr;
+  socklen_param_type addr_len;
+  char host[4096];
+  char serv[1024];
+  int opts, retcode;
+
+  get_sockaddr(vaddr, &addr, &addr_len);
+  opts = convert_flag_list(vopts, getnameinfo_flag_table);
+  enter_blocking_section();
+  retcode = 
+    getnameinfo((const struct sockaddr *) &addr.s_gen, addr_len,
+                host, sizeof(host), serv, sizeof(serv), opts);
+  leave_blocking_section();
+  if (retcode != 0) raise_not_found(); /* TODO: detailed error reporting? */
+  vhost = copy_string(host);
+  vserv = copy_string(serv);
+  vres = alloc_small(2, 0);
+  Field(vres, 0) = vhost;
+  Field(vres, 1) = vserv;
+  CAMLreturn(vres);
+}
+
+#else
+
+CAMLprim value unix_getnameinfo(value vaddr, value vopts)
+{ invalid_argument("getnameinfo not implemented"); }
+
+#endif