[package] busybox: add a "date -k" to set the kernel timezone from the current localt...

SVN-Revision: 29203

diff --git a/package/busybox/Makefile b/package/busybox/Makefile
index 7770a538e9b204810d6ce03a332f9194e421330b..2a92d57315132a9fe993ba2e3f84fb575dfc9de4 100644 (file)
--- a/package/busybox/Makefile
+++ b/package/busybox/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=busybox
 PKG_VERSION:=1.19.3
-PKG_RELEASE:=7
+PKG_RELEASE:=8
 PKG_FLAGS:=essential
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2

diff --git a/package/busybox/patches/911-date-k-flag.patch b/package/busybox/patches/911-date-k-flag.patch
new file mode 100644 (file)
index 0000000..c4f6db4
--- /dev/null
+++ b/package/busybox/patches/911-date-k-flag.patch
@@ -0,0 +1,83 @@
+--- a/coreutils/date.c
++++ b/coreutils/date.c
+@@ -123,6 +123,7 @@
+ //usage:      IF_FEATURE_DATE_ISOFMT(
+ //usage:     "\n      -D FMT          Use FMT for -d TIME conversion"
+ //usage:      )
++//usage:     "\n      -k              Set Kernel timezone from localtime and exit"
+ //usage:     "\n"
+ //usage:     "\nRecognized TIME formats:"
+ //usage:     "\n      hh:mm[:ss]"
+@@ -135,6 +136,7 @@
+ //usage:       "Wed Apr 12 18:52:41 MDT 2000\n"
+ 
+ #include "libbb.h"
++#include <sys/time.h>
+ #if ENABLE_FEATURE_DATE_NANO
+ # include <sys/syscall.h>
+ #endif
+@@ -145,8 +147,9 @@ enum {
+       OPT_UTC       = (1 << 2), /* u */
+       OPT_DATE      = (1 << 3), /* d */
+       OPT_REFERENCE = (1 << 4), /* r */
+-      OPT_TIMESPEC  = (1 << 5) * ENABLE_FEATURE_DATE_ISOFMT, /* I */
+-      OPT_HINT      = (1 << 6) * ENABLE_FEATURE_DATE_ISOFMT, /* D */
++      OPT_KERNELTZ  = (1 << 5), /* k */
++      OPT_TIMESPEC  = (1 << 6) * ENABLE_FEATURE_DATE_ISOFMT, /* I */
++      OPT_HINT      = (1 << 7) * ENABLE_FEATURE_DATE_ISOFMT, /* D */
+ };
+ 
+ static void maybe_set_utc(int opt)
+@@ -164,12 +167,15 @@ static const char date_longopts[] ALIGN1
+       /*      "universal\0" No_argument       "u" */
+               "date\0"      Required_argument "d"
+               "reference\0" Required_argument "r"
++              "set-kernel-tz\0" No_argument   "k"
+               ;
+ #endif
+ 
+ int date_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+ int date_main(int argc UNUSED_PARAM, char **argv)
+ {
++      time_t tt;
++      struct timezone tz;
+       struct timespec ts;
+       struct tm tm_time;
+       char buf_fmt_dt2str[64];
+@@ -184,7 +190,7 @@ int date_main(int argc UNUSED_PARAM, cha
+       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:"
++      opt = getopt32(argv, "Rs:ud:r:k"
+                       IF_FEATURE_DATE_ISOFMT("I::D:"),
+                       &date_str, &date_str, &filename
+                       IF_FEATURE_DATE_ISOFMT(, &isofmt_arg, &fmt_str2dt));
+@@ -241,6 +247,27 @@ int date_main(int argc UNUSED_PARAM, cha
+       if (*argv)
+               bb_show_usage();
+ 
++      /* Setting of kernel timezone was requested */
++      if (opt & OPT_KERNELTZ) {
++              tt = time(NULL);
++              localtime_r(&tt, &tm_time);
++
++              /* workaround warp_clock() on first invocation */
++              memset(&tz, 0, sizeof(tz));
++              settimeofday(NULL, &tz);
++
++              memset(&tz, 0, sizeof(tz));
++              tz.tz_minuteswest = -(tm_time.tm_gmtoff / 60);
++
++              if (settimeofday(NULL, &tz))
++              {
++                      bb_perror_msg("can't set kernel time zone");
++                      return EXIT_FAILURE;
++              }
++
++              return EXIT_SUCCESS;
++      }
++
+       /* Now we have parsed all the information except the date format
+        * which depends on whether the clock is being set or read */
+