*
*/
-#include "internal.h"
-#define BB_DECLARE_EXTERN
-#include "messages.c"
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <stdio.h>
#include <getopt.h>
+#include <string.h>
+#include <time.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "busybox.h"
-#define RFC_868_BIAS 2208988800UL
+static const int RFC_868_BIAS = 2208988800UL;
-int setdate= 0;
-int printdate= 0;
-
-time_t askremotedate(char *host)
+static time_t askremotedate(const char *host)
{
struct hostent *h;
- struct sockaddr_in sin;
+ struct sockaddr_in s_in;
struct servent *tserv;
unsigned long int nett, localt;
int fd;
- if (!(h = gethostbyname(host))) { /* get the IP addr */
- errorMsg("%s: %s\n", host, strerror(errno));
- return(-1);
- }
- if ((tserv = getservbyname("time", "tcp")) == NULL) { /* find port # */
- errorMsg("%s: %s\n", "time", strerror(errno));
- return(-1);
- }
- if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) { /* get net connection */
- errorMsg("%s: %s\n", "socket", strerror(errno));
- return(-1);
- }
+ h = xgethostbyname(host); /* get the IP addr */
- memcpy(&sin.sin_addr, h->h_addr, sizeof(sin.sin_addr));
- sin.sin_port= tserv->s_port;
- sin.sin_family = AF_INET;
+ if ((tserv = getservbyname("time", "tcp")) == NULL) /* find port # */
+ perror_msg_and_die("%s", "time");
+
+ if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) /* get net connection */
+ perror_msg_and_die("%s", "socket");
+
+ memcpy(&s_in.sin_addr, h->h_addr, sizeof(s_in.sin_addr));
+ s_in.sin_port= tserv->s_port;
+ s_in.sin_family = AF_INET;
+
+ if (connect(fd, (struct sockaddr *)&s_in, sizeof(s_in)) < 0) /* connect to time server */
+ perror_msg_and_die("%s", host);
+
+ if (read(fd, (void *)&nett, 4) != 4) /* read time from server */
+ error_msg_and_die("%s did not send the complete time", host);
- if (connect(fd, (struct sockaddr *)&sin, sizeof(sin)) < 0) { /* connect to time server */
- errorMsg("%s: %s\n", host, strerror(errno));
- close(fd);
- return(-1);
- }
- if (read(fd, &nett, 4) != 4) { /* read time from server */
- close(fd);
- errorMsg("%s did not send the complete time\n", host);
- }
close(fd);
/* convert from network byte order to local byte order.
int rdate_main(int argc, char **argv)
{
- time_t time;
+ time_t remote_time;
int opt;
+ int setdate = 0;
+ int printdate= 0;
/* Interpret command line args */
/* do special-case option parsing */
if (argv[1] && (strcmp(argv[1], "--help") == 0))
- usage(rdate_usage);
+ show_usage();
/* do normal option parsing */
while ((opt = getopt(argc, argv, "Hsp")) > 0) {
switch (opt) {
default:
case 'H':
- usage(rdate_usage);
- return(FALSE);
+ show_usage();
break;
case 's':
setdate++;
/* the default action is to set the date */
if (printdate==0 && setdate==0) setdate++;
- if (optind == argc) {
- usage(rdate_usage);
- return(FALSE);
- }
+ if (optind == argc)
+ show_usage();
+
+ remote_time = askremotedate(argv[optind]);
- if ((time= askremotedate(argv[optind])) == (time_t)-1) {
- return(FALSE);
- }
if (setdate) {
- if (stime(&time) < 0)
- fatalError("Could not set time of day: %s\n", strerror(errno));
- }
- if (printdate) {
- fprintf(stdout, "%s", ctime(&time));
+ if (stime(&remote_time) < 0)
+ perror_msg_and_die("Could not set time of day");
}
- return(TRUE);
+ if (printdate)
+ printf("%s", ctime(&remote_time));
+
+ return EXIT_SUCCESS;
}