101 lines
2.9 KiB
C
101 lines
2.9 KiB
C
/***********************************************************************/
|
|
/* */
|
|
/* Objective Caml */
|
|
/* */
|
|
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
|
|
/* */
|
|
/* Copyright 1996 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. */
|
|
/* */
|
|
/***********************************************************************/
|
|
|
|
/* $Id$ */
|
|
|
|
#include <string.h>
|
|
#include <mlvalues.h>
|
|
#include <alloc.h>
|
|
#include <memory.h>
|
|
#include <fail.h>
|
|
#include <signals.h>
|
|
#include "unixsupport.h"
|
|
|
|
#ifdef HAS_SOCKETS
|
|
|
|
#include "socketaddr.h"
|
|
#ifndef _WIN32
|
|
#include <netdb.h>
|
|
#endif
|
|
|
|
static int entry_h_length;
|
|
|
|
extern int socket_domain_table[];
|
|
|
|
static value alloc_one_addr(char *a)
|
|
{
|
|
struct in_addr addr;
|
|
bcopy(a, &addr, entry_h_length);
|
|
return alloc_inet_addr(addr.s_addr);
|
|
}
|
|
|
|
static value alloc_host_entry(struct hostent *entry)
|
|
{
|
|
value res;
|
|
value name = Val_unit, aliases = Val_unit;
|
|
value addr_list = Val_unit, adr = Val_unit;
|
|
|
|
Begin_roots4 (name, aliases, addr_list, adr);
|
|
name = copy_string((char *)(entry->h_name));
|
|
aliases = copy_string_array(entry->h_aliases);
|
|
entry_h_length = entry->h_length;
|
|
#ifdef h_addr
|
|
addr_list = alloc_array(alloc_one_addr, entry->h_addr_list);
|
|
#else
|
|
adr = alloc_one_addr(entry->h_addr);
|
|
addr_list = alloc_small(1, 0);
|
|
Field(addr_list, 0) = adr;
|
|
#endif
|
|
res = alloc_small(4, 0);
|
|
Field(res, 0) = name;
|
|
Field(res, 1) = aliases;
|
|
Field(res, 2) = entry->h_addrtype == PF_UNIX ? Val_int(0) : Val_int(1);
|
|
Field(res, 3) = addr_list;
|
|
End_roots();
|
|
return res;
|
|
}
|
|
|
|
value unix_gethostbyaddr(value a) /* ML */
|
|
{
|
|
uint32 adr;
|
|
struct hostent * entry;
|
|
adr = GET_INET_ADDR(a);
|
|
enter_blocking_section();
|
|
entry = gethostbyaddr((char *) &adr, 4, AF_INET);
|
|
leave_blocking_section();
|
|
if (entry == (struct hostent *) NULL) raise_not_found();
|
|
return alloc_host_entry(entry);
|
|
}
|
|
|
|
value unix_gethostbyname(value name) /* ML */
|
|
{
|
|
char hostname[256];
|
|
struct hostent * entry;
|
|
strncpy(hostname, String_val(name), sizeof(hostname) - 1);
|
|
hostname[sizeof(hostname) - 1] = 0;
|
|
enter_blocking_section();
|
|
entry = gethostbyname(hostname);
|
|
leave_blocking_section();
|
|
if (entry == (struct hostent *) NULL) raise_not_found();
|
|
return alloc_host_entry(entry);
|
|
}
|
|
|
|
#else
|
|
|
|
value unix_gethostbyaddr(value name)
|
|
{ invalid_argument("gethostbyaddr not implemented"); }
|
|
|
|
value unix_gethostbyname(value name)
|
|
{ invalid_argument("gethostbyname not implemented"); }
|
|
|
|
#endif
|