date: allow system date to be set

Implement clock_settime(2) and enable the '-s' option to allow
the system time to be set.  This requires elevated privileges.

The code in date.c is now identical to upstream BusyBox.

Costs 256-272 bytes.

1 files changed, 0 insertions, 25 deletions

diff --git a/coreutils/date.c b/coreutils/date.c
index d8e56ef3b..3a89b6caf 100644
--- a/coreutils/date.c
+++ b/coreutils/date.c
@@ -97,9 +97,7 @@
 //usage:#define date_full_usage "\n\n"
 //usage:       "Display time (using +FMT), or set time\n"
 //usage:     "\n        -u              Work in UTC (don't convert to local time)"
-//usage:        IF_NOT_PLATFORM_MINGW32(
 //usage:     "\n        [-s] TIME       Set time to TIME"
-//usage:        )
 //usage:     "\n        -d TIME         Display TIME, not 'now'"
 //usage:        IF_FEATURE_DATE_ISOFMT(
 //usage:     "\n        -D FMT          FMT (strptime format) for -s/-d TIME conversion"
@@ -134,30 +132,19 @@
 
 enum {
         OPT_RFC2822   = (1 << 0), /* R */
-#if !ENABLE_PLATFORM_MINGW32
         OPT_SET       = (1 << 1), /* s */
         OPT_UTC       = (1 << 2), /* u */
         OPT_DATE      = (1 << 3), /* d */
         OPT_REFERENCE = (1 << 4), /* r */
         OPT_ISO8601   = (1 << 5) * ENABLE_FEATURE_DATE_ISOFMT, /* I */
         OPT_STR2DT    = (1 << 6) * ENABLE_FEATURE_DATE_ISOFMT, /* D */
-#else
-        OPT_SET       = (0),      /* s */
-        OPT_UTC       = (1 << 1), /* u */
-        OPT_DATE      = (1 << 2), /* d */
-        OPT_REFERENCE = (1 << 3), /* r */
-        OPT_ISO8601   = (1 << 4) * ENABLE_FEATURE_DATE_ISOFMT, /* I */
-        OPT_STR2DT    = (1 << 5) * ENABLE_FEATURE_DATE_ISOFMT, /* D */
-#endif
 };
 
 #if ENABLE_LONG_OPTS
 static const char date_longopts[] ALIGN1 =
                 "rfc-822\0"   No_argument       "R"
                 "rfc-2822\0"  No_argument       "R"
-#if !ENABLE_PLATFORM_MINGW32
                 "set\0"       Required_argument "s"
-#endif
                 "utc\0"       No_argument       "u"
         /*      "universal\0" No_argument       "u" */
                 "date\0"      Required_argument "d"
@@ -187,25 +174,13 @@ int date_main(int argc UNUSED_PARAM, char **argv)
         char *isofmt_arg = NULL;
 
         opt = getopt32long(argv, "^"
-#if !ENABLE_PLATFORM_MINGW32
                         "Rs:ud:r:"
-#else
-                        "Rud:r:"
-#endif
                         IF_FEATURE_DATE_ISOFMT("I::D:")
-#if !ENABLE_PLATFORM_MINGW32
                         "\0"
                         "d--s:s--d"
                         IF_FEATURE_DATE_ISOFMT(":R--I:I--R"),
-#else
-                        IF_FEATURE_DATE_ISOFMT("\0R--I:I--R"),
-#endif
                         date_longopts,
-#if !ENABLE_PLATFORM_MINGW32
                         &date_str, &date_str, &filename
-#else
-                        &date_str, &filename
-#endif
                         IF_FEATURE_DATE_ISOFMT(, &isofmt_arg, &fmt_str2dt)
         );
         argv += optind;