1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
/**************************************************************************/
/* */
/* OCaml */
/* */
/* 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 Lesser General Public License version 2.1, with the */
/* special exception on linking described in the file LICENSE. */
/* */
/**************************************************************************/
#include <caml/mlvalues.h>
#include <caml/memory.h>
#include <caml/fail.h>
#include "caml/unixsupport.h"
#ifdef HAS_SOCKETS
#include "caml/socketaddr.h"
CAMLprim value caml_unix_inet_addr_of_string(value s)
{
if (! caml_string_is_c_safe(s)) caml_failwith("inet_addr_of_string");
#if defined(HAS_IPV6)
#ifdef _WIN32
{
CAMLparam1(s);
CAMLlocal1(vres);
struct addrinfo hints;
struct addrinfo * res;
int retcode;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_flags = AI_NUMERICHOST;
retcode = getaddrinfo(String_val(s), NULL, &hints, &res);
if (retcode != 0) caml_failwith("inet_addr_of_string");
switch (res->ai_addr->sa_family) {
case AF_INET:
{
vres =
caml_unix_alloc_inet_addr(
&((struct sockaddr_in *) res->ai_addr)->sin_addr);
break;
}
case AF_INET6:
{
vres =
caml_unix_alloc_inet6_addr(
&((struct sockaddr_in6 *) res->ai_addr)->sin6_addr);
break;
}
default:
{
freeaddrinfo(res);
caml_failwith("inet_addr_of_string");
}
}
freeaddrinfo(res);
CAMLreturn (vres);
}
#else
{
struct in_addr address;
struct in6_addr address6;
if (inet_pton(AF_INET, String_val(s), &address) > 0)
return caml_unix_alloc_inet_addr(&address);
else if (inet_pton(AF_INET6, String_val(s), &address6) > 0)
return caml_unix_alloc_inet6_addr(&address6);
else
caml_failwith("inet_addr_of_string");
}
#endif
#elif defined(HAS_INET_ATON)
{
struct in_addr address;
if (inet_aton(String_val(s), &address) == 0)
caml_failwith("inet_addr_of_string");
return caml_unix_alloc_inet_addr(&address);
}
#else
{
struct in_addr address;
address.s_addr = inet_addr(String_val(s));
if (address.s_addr == (uint32_t) -1) caml_failwith("inet_addr_of_string");
return caml_unix_alloc_inet_addr(&address);
}
#endif
}
#else
CAMLprim value caml_unix_inet_addr_of_string(value s)
{ caml_invalid_argument("inet_addr_of_string not implemented"); }
#endif
|
