#include <netdb.h>
#include <stdio.h>
#include <getopt.h>
+#include <stdlib.h>
+#include <unistd.h>
-#define RFC_868_BIAS 2208988800UL
+static const int RFC_868_BIAS = 2208988800UL;
int setdate= 0;
int printdate= 0;
int fd;
if (!(h = gethostbyname(host))) { /* get the IP addr */
- error_msg("%s: %s\n", host, strerror(errno));
+ perror_msg("%s", host);
return(-1);
}
if ((tserv = getservbyname("time", "tcp")) == NULL) { /* find port # */
- error_msg("%s: %s\n", "time", strerror(errno));
+ perror_msg("%s", "time");
return(-1);
}
if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) { /* get net connection */
- error_msg("%s: %s\n", "socket", strerror(errno));
+ perror_msg("%s", "socket");
return(-1);
}
sin.sin_family = AF_INET;
if (connect(fd, (struct sockaddr *)&sin, sizeof(sin)) < 0) { /* connect to time server */
- error_msg("%s: %s\n", host, strerror(errno));
+ perror_msg("%s", host);
close(fd);
return(-1);
}
if (read(fd, (void *)&nett, 4) != 4) { /* read time from server */
close(fd);
- error_msg("%s did not send the complete time\n", host);
+ error_msg("%s did not send the complete time", host);
}
close(fd);
}
if (setdate) {
if (stime(&time) < 0)
- error_msg_and_die("Could not set time of day: %s\n", strerror(errno));
+ perror_msg_and_die("Could not set time of day");
}
if (printdate) {
- fprintf(stdout, "%s", ctime(&time));
+ printf("%s", ctime(&time));
}
return EXIT_SUCCESS;