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Remove now useless -d and -t flags.

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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
This commit is contained in:
Warner Losh 2019-03-12 04:49:59 +00:00
parent 329f0aa952
commit d24ba0bb86
1 changed files with 3 additions and 28 deletions
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31
bin/date/date.c
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@ -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]]",
" "