73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
/***********************************************************************/
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/* */
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/* OCaml */
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/* */
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/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
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/* */
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/* Copyright 1996 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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#include <caml/mlvalues.h>
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#include <caml/alloc.h>
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#include <caml/fail.h>
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#include "unixsupport.h"
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#ifdef HAS_SOCKETS
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#include "socketaddr.h"
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CAMLprim value unix_string_of_inet_addr(value a)
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{
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char * res;
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#ifdef HAS_IPV6
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#ifdef _WIN32
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char buffer[64];
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union sock_addr_union sa;
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int len;
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int retcode;
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if (string_length(a) == 16) {
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memset(&sa.s_inet6, 0, sizeof(struct sockaddr_in6));
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sa.s_inet6.sin6_family = AF_INET6;
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sa.s_inet6.sin6_addr = GET_INET6_ADDR(a);
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len = sizeof(struct sockaddr_in6);
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} else {
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memset(&sa.s_inet, 0, sizeof(struct sockaddr_in));
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sa.s_inet.sin_family = AF_INET;
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sa.s_inet.sin_addr = GET_INET_ADDR(a);
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len = sizeof(struct sockaddr_in);
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}
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retcode = getnameinfo
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(&sa.s_gen, len, buffer, sizeof(buffer), NULL, 0, NI_NUMERICHOST);
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if (retcode != 0)
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res = NULL;
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else
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res = buffer;
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#else
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char buffer[64];
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if (string_length(a) == 16)
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res = (char *)
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inet_ntop(AF_INET6, (const void *) &GET_INET6_ADDR(a),
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buffer, sizeof(buffer));
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else
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res = (char *)
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inet_ntop(AF_INET, (const void *) &GET_INET_ADDR(a),
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buffer, sizeof(buffer));
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#endif
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#else
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res = inet_ntoa(GET_INET_ADDR(a));
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#endif
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if (res == NULL) uerror("string_of_inet_addr", Nothing);
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return copy_string(res);
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}
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#else
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CAMLprim value unix_string_of_inet_addr(value a)
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{ invalid_argument("string_of_inet_addr not implemented"); }
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#endif
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