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date: handle long options

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RFC2822 obsoletes RFC822; Silently accept --rfc-822 and return rfc2822
output for compatibility.

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
This commit is contained in:
Bernhard Reutner-Fischer 2009-10-23 15:44:51 +02:00
parent 9d57a8073a
commit ca22cda709
2 changed files with 25 additions and 2 deletions
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13
coreutils/date.c
View File

@ -69,6 +69,18 @@ static void maybe_set_utc(int opt)
putenv((char*)"TZ=UTC0");
}
#if ENABLE_LONG_OPTS
static const char date_longopts[] ALIGN1 =
"rfc-822\0" No_argument "R"
"rfc-2822\0" No_argument "R"
"set\0" Required_argument "s"
"utc\0" No_argument "u"
/*"universal\0" No_argument "u"*/
"date\0" Required_argument "d"
"reference\0" Required_argument "r"
;
#endif
int date_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int date_main(int argc UNUSED_PARAM, char **argv)
{
@ -84,6 +96,7 @@ int date_main(int argc UNUSED_PARAM, char **argv)
opt_complementary = "d--s:s--d"
IF_FEATURE_DATE_ISOFMT(":R--I:I--R");
IF_LONG_OPTS(applet_long_options = date_longopts;)
opt = getopt32(argv, "Rs:ud:r:"
IF_FEATURE_DATE_ISOFMT("I::D:"),
&date_str, &date_str, &filename

14
include/usage.h
View File

@ -673,17 +673,27 @@
#define date_full_usage "\n\n" \
"Display time (using +FMT), or set time\n" \
"\nOptions:" \
IF_NOT_LONG_OPTS( \
"\n [-s] TIME Set time to TIME" \
"\n -u Work in UTC (don't convert to local time)" \
"\n -R Output RFC-822 compliant date string" \
"\n -R Output RFC-2822 compliant date string" \
) IF_LONG_OPTS( \
"\n [-s,--set] TIME Set time to TIME" \
"\n -u,--utc Work in UTC (don't convert to local time)" \
"\n -R,--rfc-2822 Output RFC-2822 compliant date string" \
) \
IF_FEATURE_DATE_ISOFMT( \
"\n -I[SPEC] Output ISO-8601 compliant date string" \
"\n SPEC='date' (default) for date only," \
"\n 'hours', 'minutes', or 'seconds' for date and" \
"\n time to the indicated precision" \
) \
) IF_NOT_LONG_OPTS( \
"\n -r FILE Display last modification time of FILE" \
"\n -d TIME Display TIME, not 'now'" \
) IF_LONG_OPTS( \
"\n -r,--reference FILE Display last modification time of FILE" \
"\n -d,--date TIME Display TIME, not 'now'" \
) \
IF_FEATURE_DATE_ISOFMT( \
"\n -D FMT Use FMT for -d TIME conversion" \
) \