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