diff options
Diffstat (limited to 'package/utils/busybox/patches/250-date-k-flag.patch')
| -rw-r--r-- | package/utils/busybox/patches/250-date-k-flag.patch | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/package/utils/busybox/patches/250-date-k-flag.patch b/package/utils/busybox/patches/250-date-k-flag.patch new file mode 100644 index 0000000..f0dab26 --- /dev/null +++ b/package/utils/busybox/patches/250-date-k-flag.patch @@ -0,0 +1,87 @@ +--- 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]" +@@ -138,6 +139,7 @@ + //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 +@@ -148,8 +150,9 @@ 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) +@@ -167,12 +170,15 @@ 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]; +@@ -187,7 +193,7 @@ 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)); +@@ -244,6 +250,31 @@ 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)); ++#ifdef __USE_MISC ++ tz.tz_minuteswest = -(tm_time.tm_gmtoff / 60); ++#else ++ tz.tz_minuteswest = -(tm_time.__tm_gmtoff / 60); ++#endif ++ ++ 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 */ + |