Rework option handling to save space.

diff --git a/rdate.c b/rdate.c
index 8deb35d147309c579004ec0c8a486f5aed2b8a36..50be4de8c2cee0f076a40ba430fcf4c38acdf841 100644 (file)
--- a/rdate.c
+++ b/rdate.c
@@ -48,10 +48,10 @@ static time_t askremotedate(const char *host)
        h = xgethostbyname(host);         /* get the IP addr */
 
        if ((tserv = getservbyname("time", "tcp")) == NULL)   /* find port # */
-               perror_msg_and_die("%s", "time");
+               perror_msg_and_die("time");
 
        if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)    /* get net connection */
-               perror_msg_and_die("%s", "socket");
+               perror_msg_and_die("socket");
 
        memcpy(&s_in.sin_addr, h->h_addr, sizeof(s_in.sin_addr));
        s_in.sin_port= tserv->s_port;
@@ -80,33 +80,25 @@ int rdate_main(int argc, char **argv)
 {
        time_t remote_time;
        int opt;
-       int setdate = 0;
-       int printdate= 0;
+       int setdate = 1;
+       int printdate = 1;
 
        /* Interpret command line args */
-       /* do special-case option parsing */
-       if (argv[1] && (strcmp(argv[1], "--help") == 0))
-               show_usage();
-
-       /* do normal option parsing */
-       while ((opt = getopt(argc, argv, "Hsp")) > 0) {
+       while ((opt = getopt(argc, argv, "sp")) > 0) {
                switch (opt) {
-                       default:
-                       case 'H':
-                               show_usage();
-                               break;
                        case 's':
-                               setdate++;
+                               printdate = 0;
+                               setdate = 1;
                                break;
                        case 'p':
-                               printdate++;
+                               printdate = 1;
+                               setdate = 0;
                                break;
+                       default:
+                               show_usage();
                }
        }
 
-       /* the default action is to set the date */
-       if (printdate==0 && setdate==0) setdate++;
-
        if (optind == argc)
                show_usage();
 

diff --git a/util-linux/rdate.c b/util-linux/rdate.c
index 8deb35d147309c579004ec0c8a486f5aed2b8a36..50be4de8c2cee0f076a40ba430fcf4c38acdf841 100644 (file)
--- a/util-linux/rdate.c
+++ b/util-linux/rdate.c
@@ -48,10 +48,10 @@ static time_t askremotedate(const char *host)
        h = xgethostbyname(host);         /* get the IP addr */
 
        if ((tserv = getservbyname("time", "tcp")) == NULL)   /* find port # */
-               perror_msg_and_die("%s", "time");
+               perror_msg_and_die("time");
 
        if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0)    /* get net connection */
-               perror_msg_and_die("%s", "socket");
+               perror_msg_and_die("socket");
 
        memcpy(&s_in.sin_addr, h->h_addr, sizeof(s_in.sin_addr));
        s_in.sin_port= tserv->s_port;
@@ -80,33 +80,25 @@ int rdate_main(int argc, char **argv)
 {
        time_t remote_time;
        int opt;
-       int setdate = 0;
-       int printdate= 0;
+       int setdate = 1;
+       int printdate = 1;
 
        /* Interpret command line args */
-       /* do special-case option parsing */
-       if (argv[1] && (strcmp(argv[1], "--help") == 0))
-               show_usage();
-
-       /* do normal option parsing */
-       while ((opt = getopt(argc, argv, "Hsp")) > 0) {
+       while ((opt = getopt(argc, argv, "sp")) > 0) {
                switch (opt) {
-                       default:
-                       case 'H':
-                               show_usage();
-                               break;
                        case 's':
-                               setdate++;
+                               printdate = 0;
+                               setdate = 1;
                                break;
                        case 'p':
-                               printdate++;
+                               printdate = 1;
+                               setdate = 0;
                                break;
+                       default:
+                               show_usage();
                }
        }
 
-       /* the default action is to set the date */
-       if (printdate==0 && setdate==0) setdate++;
-
        if (optind == argc)
                show_usage();