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Code Issues Releases Wiki Activity

Added getopt() processing of [-t {a|aaaa}].

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This commit is contained in:
Gisle Vanem 2006-07-22 17:31:00 +00:00
parent 8c36fc8f31
commit 132067b081
1 changed files with 34 additions and 8 deletions
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42
ares/ahost.c
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@ -1,4 +1,6 @@
/* Copyright 1998 by the Massachusetts Institute of Technology.
*
* $Id$
*
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
@ -30,6 +32,10 @@
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include "ares.h"
#include "ares_dns.h"
#include "inet_ntop.h"
@ -52,7 +58,7 @@ static void usage(void);
int main(int argc, char **argv)
{
ares_channel channel;
int status, nfds;
int status, nfds, c, addr_family = AF_INET;
fd_set read_fds, write_fds;
struct timeval *tvp, tv;
struct in_addr addr4;
@ -64,7 +70,28 @@ int main(int argc, char **argv)
WSAStartup(wVersionRequested, &wsaData);
#endif
if (argc <= 1)
while ((c = getopt(argc,argv,"t:h")) != -1)
{
switch (c)
{
case 't':
if (!strcasecmp(optarg,"a"))
addr_family = AF_INET;
else if (!strcasecmp(optarg,"aaaa"))
addr_family = AF_INET6;
else
usage();
break;
case 'h':
default:
usage();
break;
}
}
argc -= optind;
argv += optind;
if (argc < 1)
usage();
status = ares_init(&channel);
@ -75,7 +102,7 @@ int main(int argc, char **argv)
}
/* Initiate the queries, one per command-line argument. */
for (argv++; *argv; argv++)
for ( ; *argv; argv++)
{
if (ares_inet_pton(AF_INET, *argv, &addr4) == 1)
{
@ -89,8 +116,7 @@ int main(int argc, char **argv)
}
else
{
/* assume user wants A-records */
ares_gethostbyname(channel, *argv, AF_INET, callback, *argv);
ares_gethostbyname(channel, *argv, addr_family, callback, *argv);
}
}
@ -132,8 +158,8 @@ static void callback(void *arg, int status, struct hostent *host)
{
int i;
printf (", Aliases: ");
for (i = 0; host->h_aliases[i]; i++)
printf (", Aliases: ");
for (i = 0; host->h_aliases[i]; i++)
printf("%s ", host->h_aliases[i]);
}
#endif
@ -143,6 +169,6 @@ static void callback(void *arg, int status, struct hostent *host)
static void usage(void)
{
fprintf(stderr, "usage: ahost {host|addr} ...\n");
fprintf(stderr, "usage: ahost [-t {a|aaaa}] {host|addr} ...\n");
exit(1);
}