Rework option handling to save space.
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547e102082
commit
13cb842773
30
rdate.c
30
rdate.c
@ -48,10 +48,10 @@ static time_t askremotedate(const char *host)
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h = xgethostbyname(host); /* get the IP addr */
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if ((tserv = getservbyname("time", "tcp")) == NULL) /* find port # */
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perror_msg_and_die("%s", "time");
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perror_msg_and_die("time");
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if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) /* get net connection */
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perror_msg_and_die("%s", "socket");
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perror_msg_and_die("socket");
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memcpy(&s_in.sin_addr, h->h_addr, sizeof(s_in.sin_addr));
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s_in.sin_port= tserv->s_port;
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@ -80,33 +80,25 @@ int rdate_main(int argc, char **argv)
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{
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time_t remote_time;
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int opt;
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int setdate = 0;
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int printdate= 0;
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int setdate = 1;
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int printdate = 1;
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/* Interpret command line args */
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/* do special-case option parsing */
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if (argv[1] && (strcmp(argv[1], "--help") == 0))
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show_usage();
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/* do normal option parsing */
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while ((opt = getopt(argc, argv, "Hsp")) > 0) {
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while ((opt = getopt(argc, argv, "sp")) > 0) {
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switch (opt) {
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default:
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case 'H':
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show_usage();
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break;
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case 's':
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setdate++;
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printdate = 0;
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setdate = 1;
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break;
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case 'p':
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printdate++;
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printdate = 1;
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setdate = 0;
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break;
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default:
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show_usage();
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}
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}
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/* the default action is to set the date */
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if (printdate==0 && setdate==0) setdate++;
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if (optind == argc)
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show_usage();
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@ -48,10 +48,10 @@ static time_t askremotedate(const char *host)
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h = xgethostbyname(host); /* get the IP addr */
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if ((tserv = getservbyname("time", "tcp")) == NULL) /* find port # */
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perror_msg_and_die("%s", "time");
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perror_msg_and_die("time");
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if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) /* get net connection */
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perror_msg_and_die("%s", "socket");
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perror_msg_and_die("socket");
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memcpy(&s_in.sin_addr, h->h_addr, sizeof(s_in.sin_addr));
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s_in.sin_port= tserv->s_port;
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@ -80,33 +80,25 @@ int rdate_main(int argc, char **argv)
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{
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time_t remote_time;
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int opt;
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int setdate = 0;
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int printdate= 0;
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int setdate = 1;
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int printdate = 1;
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/* Interpret command line args */
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/* do special-case option parsing */
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if (argv[1] && (strcmp(argv[1], "--help") == 0))
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show_usage();
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/* do normal option parsing */
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while ((opt = getopt(argc, argv, "Hsp")) > 0) {
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while ((opt = getopt(argc, argv, "sp")) > 0) {
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switch (opt) {
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default:
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case 'H':
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show_usage();
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break;
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case 's':
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setdate++;
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printdate = 0;
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setdate = 1;
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break;
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case 'p':
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printdate++;
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printdate = 1;
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setdate = 0;
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break;
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default:
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show_usage();
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}
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}
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/* the default action is to set the date */
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if (printdate==0 && setdate==0) setdate++;
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if (optind == argc)
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show_usage();
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