Remove now useless -d and -t flags.

These were used to set dst flag and minutes west of UTC
respectively. These are obsolete and have been removed form the
kernel. These existed primarily to faithfully emulate early
Unix ABIs that have been removed from FreeBSD.

Reviewed by: jbh@, brooks@
Differential Revision: https://reviews.freebsd.org/D19550

1 files changed, 3 insertions, 28 deletions

diff --git a/bin/date/date.c b/bin/date/date.c
index 2068992761d47..10e8a126d565b 100644
--- a/bin/date/date.c
+++ b/bin/date/date.c
@@ -91,14 +91,12 @@ static const char *rfc2822_format = "%a, %d %b %Y %T %z";
 int
 main(int argc, char *argv[])
 {
-	struct timezone tz;
 	int ch, rflag;
 	bool Iflag, jflag, nflag, Rflag;
 	const char *format;
 	char buf[1024];
-	char *endptr, *fmt;
+	char *fmt;
 	char *tmp;
-	int set_timezone;
 	struct vary *v;
 	const struct vary *badv;
 	struct tm *lt;
@@ -108,18 +106,10 @@ main(int argc, char *argv[])
 	v = NULL;
 	fmt = NULL;
 	(void) setlocale(LC_TIME, "");
-	tz.tz_dsttime = tz.tz_minuteswest = 0;
 	rflag = 0;
 	Iflag = jflag = nflag = Rflag = 0;
-	set_timezone = 0;
-	while ((ch = getopt(argc, argv, "d:f:I::jnRr:t:uv:")) != -1)
+	while ((ch = getopt(argc, argv, "f:I::jnRr:uv:")) != -1)
 		switch((char)ch) {
-		case 'd':		/* daylight savings time */
-			tz.tz_dsttime = strtol(optarg, &endptr, 10) ? 1 : 0;
-			if (endptr == optarg || *endptr != '\0')
-				usage();
-			set_timezone = 1;
-			break;
 		case 'f':
 			fmt = optarg;
 			break;
@@ -160,13 +150,6 @@ main(int argc, char *argv[])
 					usage();
 			}
 			break;
-		case 't':		/* minutes west of UTC */
-					/* error check; don't allow "PST" */
-			tz.tz_minuteswest = strtol(optarg, &endptr, 10);
-			if (endptr == optarg || *endptr != '\0')
-				usage();
-			set_timezone = 1;
-			break;
 		case 'u':		/* do everything in UTC */
 			(void)setenv("TZ", "UTC0", 1);
 			break;
@@ -179,13 +162,6 @@ main(int argc, char *argv[])
 	argc -= optind;
 	argv += optind;
 
-	/*
-	 * If -d or -t, set the timezone or daylight savings time; this
-	 * doesn't belong here; the kernel should not know about either.
-	 */
-	if (set_timezone && settimeofday(NULL, &tz) != 0)
-		err(1, "settimeofday (timezone)");
-
 	if (!rflag && time(&tval) == -1)
 		err(1, "time");
 
@@ -411,8 +387,7 @@ static void
 usage(void)
 {
 	(void)fprintf(stderr, "%s\n%s\n%s\n",
-	    "usage: date [-jnRu] [-d dst] [-r seconds|file] [-t west] "
-	    "[-v[+|-]val[ymwdHMS]]",
+	    "usage: date [-jnRu] [-r seconds|file] [-v[+|-]val[ymwdHMS]]",
 	    "            "
 	    "[-I[date | hours | minutes | seconds]]",
 	    "            "