X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=coreutils%2Fdate.c;h=89b281646e240ff2bb73c736c1523d3a38f15573;hb=39194f030918b87eeb3e11e94cfa05f575fb47b4;hp=9d4a7dfeabeb1218e8d4529d2e6d1805561ccb34;hpb=af3f42011628585cd5c8f5c1fd4b43f2e370a23d;p=oweals%2Fbusybox.git diff --git a/coreutils/date.c b/coreutils/date.c index 9d4a7dfea..89b281646 100644 --- a/coreutils/date.c +++ b/coreutils/date.c @@ -19,19 +19,19 @@ much as possible, missed out a lot of bounds checking */ //config:config DATE -//config: bool "date" +//config: bool "date (7.1 kb)" //config: default y //config: help -//config: date is used to set the system date or display the -//config: current time in the given format. +//config: date is used to set the system date or display the +//config: current time in the given format. //config: //config:config FEATURE_DATE_ISOFMT //config: bool "Enable ISO date format output (-I)" //config: default y //config: depends on DATE //config: help -//config: Enable option (-I) to output an ISO-8601 compliant -//config: date/time string. +//config: Enable option (-I) to output an ISO-8601 compliant +//config: date/time string. //config: //config:# defaults to "no": stat's nanosecond field is a bit non-portable //config:config FEATURE_DATE_NANO @@ -40,25 +40,25 @@ //config: depends on DATE # syscall(__NR_clock_gettime) //config: select PLATFORM_LINUX //config: help -//config: Support %[num]N format specifier. Adds ~250 bytes of code. +//config: Support %[num]N format specifier. Adds ~250 bytes of code. //config: //config:config FEATURE_DATE_COMPAT //config: bool "Support weird 'date MMDDhhmm[[YY]YY][.ss]' format" //config: default y //config: depends on DATE //config: help -//config: System time can be set by 'date -s DATE' and simply 'date DATE', -//config: but formats of DATE string are different. 'date DATE' accepts -//config: a rather weird MMDDhhmm[[YY]YY][.ss] format with completely -//config: unnatural placement of year between minutes and seconds. -//config: date -s (and other commands like touch -d) use more sensible -//config: formats (for one, ISO format YYYY-MM-DD hh:mm:ss.ssssss). +//config: System time can be set by 'date -s DATE' and simply 'date DATE', +//config: but formats of DATE string are different. 'date DATE' accepts +//config: a rather weird MMDDhhmm[[YY]YY][.ss] format with completely +//config: unnatural placement of year between minutes and seconds. +//config: date -s (and other commands like touch -d) use more sensible +//config: formats (for one, ISO format YYYY-MM-DD hh:mm:ss.ssssss). //config: -//config: With this option off, 'date DATE' is 'date -s DATE' support -//config: the same format. With it on, 'date DATE' additionally supports -//config: MMDDhhmm[[YY]YY][.ss] format. +//config: With this option off, 'date DATE' is 'date -s DATE' support +//config: the same format. With it on, 'date DATE' additionally supports +//config: MMDDhhmm[[YY]YY][.ss] format. -//applet:IF_DATE(APPLET(date, BB_DIR_BIN, BB_SUID_DROP)) +//applet:IF_DATE(APPLET_NOEXEC(date, date, BB_DIR_BIN, BB_SUID_DROP, date)) //kbuild:lib-$(CONFIG_DATE) += date.o @@ -66,7 +66,7 @@ * date [OPTION]... [+FORMAT] * date [-u|--utc|--universal] [MMDDhhmm[[CC]YY][.ss]] * -d, --date=STRING - * display time described by STRING, not `now' + * display time described by STRING, not 'now' * -f, --file=DATEFILE * like --date once for each line of DATEFILE * -r, --reference=FILE @@ -152,12 +152,6 @@ enum { OPT_HINT = (1 << 6) * ENABLE_FEATURE_DATE_ISOFMT, /* D */ }; -static void maybe_set_utc(int opt) -{ - if (opt & OPT_UTC) - putenv((char*)"TZ=UTC0"); -} - #if ENABLE_LONG_OPTS static const char date_longopts[] ALIGN1 = "rfc-822\0" No_argument "R" @@ -170,6 +164,19 @@ static const char date_longopts[] ALIGN1 = ; #endif +/* We are a NOEXEC applet. + * Obstacles to NOFORK: + * - we change env + * - xasprintf result not freed + * - after xasprintf we use other xfuncs + */ + +static void maybe_set_utc(int opt) +{ + if (opt & OPT_UTC) + putenv((char*)"TZ=UTC0"); +} + int date_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int date_main(int argc UNUSED_PARAM, char **argv) {