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/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* Automatique. Distributed only by permission. */
/* */
/***********************************************************************/
/* $Id$ */
#include <mlvalues.h>
#include <alloc.h>
#include <memory.h>
#include <fail.h>
#include "unix.h"
#ifdef HAS_SOCKETS
#include "socketaddr.h"
#include <netdb.h>
static int entry_h_length;
extern int socket_domain_table[];
static value alloc_one_addr(a)
char * a;
{
bcopy(a, &sock_addr.s_inet.sin_addr, entry_h_length);
return alloc_inet_addr(sock_addr.s_inet.sin_addr.s_addr);
}
static value alloc_host_entry(entry)
struct hostent * entry;
{
value res;
Push_roots(r, 4);
r[0] = copy_string(entry->h_name);
r[1] = copy_string_array(entry->h_aliases);
entry_h_length = entry->h_length;
#ifdef h_addr
r[2] = alloc_array(alloc_one_addr, entry->h_addr_list);
#else
r[3] = alloc_one_addr(entry->h_addr);
r[2] = alloc_tuple(1);
Field(r[2], 0) = r[3];
#endif
res = alloc_tuple(4);
Field(res, 0) = r[0];
Field(res, 1) = r[1];
Field(res, 2) = entry->h_addrtype == PF_UNIX ? Val_int(0) : Val_int(1);
Field(res, 3) = r[2];
Pop_roots();
return res;
}
value unix_gethostbyaddr(a) /* ML */
value a;
{
uint32 addr;
struct hostent * entry;
addr = GET_INET_ADDR(a);
enter_blocking_section();
entry = gethostbyaddr((char *) &addr, 4, AF_INET);
leave_blocking_section();
if (entry == (struct hostent *) NULL) raise_not_found();
return alloc_host_entry(entry);
}
value unix_gethostbyname(name) /* ML */
value name;
{
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()
{ invalid_argument("gethostbyaddr not implemented"); }
value unix_gethostbyname()
{ invalid_argument("gethostbyname not implemented"); }
#endif
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