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Update using ares_inet_pton() and ares_inet_ntop().

This commit is contained in:
Gisle Vanem 2005-11-11 04:28:23 +00:00
parent 7f68be770d
commit b7a673c6e2
1 changed files with 39 additions and 9 deletions
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48
ares/ahost.c
View File

@ -29,13 +29,23 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ares.h"
#include "ares_dns.h"
#include "inet_ntop.h"
#include "inet_net_pton.h"
#ifndef INADDR_NONE
#define INADDR_NONE 0xffffffff
#endif
#ifndef HAVE_STRUCT_IN6_ADDR
struct in6_addr
{
unsigned char s6_addr[16];
};
#endif
static void callback(void *arg, int status, struct hostent *host);
static void usage(void);
@ -45,7 +55,8 @@ int main(int argc, char **argv)
int status, nfds;
fd_set read_fds, write_fds;
struct timeval *tvp, tv;
struct in_addr addr;
struct in_addr addr4;
struct in6_addr addr6;
#ifdef WIN32
WORD wVersionRequested = MAKEWORD(1,1);
@ -66,13 +77,20 @@ int main(int argc, char **argv)
/* Initiate the queries, one per command-line argument. */
for (argv++; *argv; argv++)
{
addr.s_addr = inet_addr(*argv);
if (addr.s_addr == INADDR_NONE)
ares_gethostbyname(channel, *argv, AF_INET, callback, *argv);
if (ares_inet_pton(AF_INET, *argv, &addr4) == 1)
{
ares_gethostbyaddr(channel, &addr4, sizeof(addr4), AF_INET, callback,
*argv);
}
else if (ares_inet_pton(AF_INET6, *argv, &addr6) == 1)
{
ares_gethostbyaddr(channel, &addr6, sizeof(addr6), AF_INET6, callback,
*argv);
}
else
{
ares_gethostbyaddr(channel, &addr, sizeof(addr), AF_INET, callback,
*argv);
/* assume user wants A-records */
ares_gethostbyname(channel, *argv, AF_INET, callback, *argv);
}
}
@ -95,7 +113,6 @@ int main(int argc, char **argv)
static void callback(void *arg, int status, struct hostent *host)
{
struct in_addr addr;
char **p;
if (status != ARES_SUCCESS)
@ -106,8 +123,21 @@ static void callback(void *arg, int status, struct hostent *host)
for (p = host->h_addr_list; *p; p++)
{
memcpy(&addr, *p, sizeof(struct in_addr));
printf("%-32s\t%s\n", host->h_name, inet_ntoa(addr));
char addr_buf[46] = "??";
ares_inet_ntop(host->h_addrtype, *p, addr_buf, sizeof(addr_buf));
printf("%-32s\t%s", host->h_name, addr_buf);
#if 0
if (host->h_aliases[0])
{
int i;
printf (", Aliases: ");
for (i = 0; host->h_aliases[i]; i++)
printf("%s ", host->h_aliases[i]);
}
#endif
puts("");
}
}