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/* ==== test_netdb.c =========================================================
* Copyright (c) 1995 by Greg Hudson, ghudson@.mit.edu
*
* Description : Test netdb calls.
*
* 1.00 95/01/05 ghudson
* -Started coding this file.
*/
#define PTHREAD_KERNEL /* Needed for OK and NOTOK defines */
#include <pthread.h>
#include <string.h>
#include <stdio.h>
#include <netdb.h>
#include <errno.h>
int debug = 0;
static int test_serv()
{
struct servent *serv;
char answer[1024];
if (serv = getservbyname("telnet", "tcp"))
printf("getservbyname -> port %d\n", ntohs(serv->s_port));
else
printf("getservbyname -> NULL (bad)\n");
if (serv = getservbyname_r("telnet", "tcp", serv, answer, 1024))
printf("getservbyname_r -> port %d\n", ntohs(serv->s_port));
else
printf("getservbyname_r -> NULL (bad)\n");
return(OK);
}
static int test_host()
{
struct hostent *host;
struct in_addr addr;
char answer[1024];
int error;
if (host = gethostbyname("maze.mit.edu")) {
memcpy(&addr, host->h_addr, sizeof(addr));
printf("gethostbyname -> %s\n", inet_ntoa(addr));
} else {
printf("gethostbyname -> NULL (bad)\n");
host = (struct hostent *)answer;
}
if (host = gethostbyname_r("maze.mit.edu", host, answer, 1024, &error)) {
memcpy(&addr, host->h_addr, sizeof(addr));
printf("gethostbyname_r -> %s\n", inet_ntoa(addr));
} else {
printf("gethostbyname_r -> NULL (bad)\n");
}
return(OK);
}
static int test_localhost()
{
struct hostent *host;
if (host = gethostbyname("127.0.0.1")) {
return(OK);
}
return(NOTOK);
}
/* ==========================================================================
* usage();
*/
void usage(void)
{
printf("test_netdb [-d?]\n");
errno = 0;
}
main(int argc, char **argv)
{
/* Getopt variables. */
extern int optind, opterr;
extern char *optarg;
char ch;
while ((ch = getopt(argc, argv, "d?")) != (char)EOF) {
switch (ch) {
case 'd':
debug++;
break;
case '?':
usage();
return(OK);
default:
usage();
return(NOTOK);
}
}
printf("test_netdb START\n");
if (test_serv() || test_localhost() || test_host()) {
printf("test_netdb FAILED\n");
exit(1);
}
printf("test_netdb PASSED\n");
exit(0);
}
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