* time suffixes for seconds, minutes, hours, and days.
*/
//config:config SLEEP
-//config: bool "sleep"
+//config: bool "sleep (1.7 kb)"
//config: default y
//config: help
-//config: sleep is used to pause for a specified number of seconds.
-//config: It comes in 3 versions:
-//config: - small: takes one integer parameter
-//config: - fancy: takes multiple integer arguments with suffixes:
-//config: sleep 1d 2h 3m 15s
-//config: - fancy with fractional numbers:
-//config: sleep 2.3s 4.5h sleeps for 16202.3 seconds
-//config: Last one is "the most compatible" with coreutils sleep,
-//config: but it adds around 1k of code.
+//config: sleep is used to pause for a specified number of seconds.
+//config: It comes in 3 versions:
+//config: - small: takes one integer parameter
+//config: - fancy: takes multiple integer arguments with suffixes:
+//config: sleep 1d 2h 3m 15s
+//config: - fancy with fractional numbers:
+//config: sleep 2.3s 4.5h sleeps for 16202.3 seconds
+//config: Last one is "the most compatible" with coreutils sleep,
+//config: but it adds around 1k of code.
//config:
//config:config FEATURE_FANCY_SLEEP
//config: bool "Enable multiple arguments and s/m/h/d suffixes"
//config: default y
//config: depends on SLEEP
//config: help
-//config: Allow sleep to pause for specified minutes, hours, and days.
-//config:
-//config:config FEATURE_FLOAT_SLEEP
-//config: bool "Enable fractional arguments"
-//config: default y
-//config: depends on FEATURE_FANCY_SLEEP
-//config: help
-//config: Allow for fractional numeric parameters.
+//config: Allow sleep to pause for specified minutes, hours, and days.
/* Do not make this applet NOFORK. It breaks ^C-ing of pauses in shells */
//applet:IF_SLEEP(APPLET(sleep, BB_DIR_BIN, BB_SUID_DROP))
#include "libbb.h"
-#if ENABLE_FEATURE_FANCY_SLEEP || ENABLE_FEATURE_FLOAT_SLEEP
-static const struct suffix_mult sfx[] = {
- { "s", 1 },
- { "m", 60 },
- { "h", 60*60 },
- { "d", 24*60*60 },
- { "", 0 }
-};
-#endif
-
int sleep_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int sleep_main(int argc UNUSED_PARAM, char **argv)
{
-#if ENABLE_FEATURE_FLOAT_SLEEP
- double duration;
- struct timespec ts;
-#else
- unsigned duration;
-#endif
+ duration_t duration;
++argv;
if (!*argv)
bb_show_usage();
-#if ENABLE_FEATURE_FLOAT_SLEEP
-
-# if ENABLE_LOCALE_SUPPORT
+#if ENABLE_FEATURE_FANCY_SLEEP
+# if ENABLE_FLOAT_DURATION
/* undo busybox.c setlocale */
setlocale(LC_NUMERIC, "C");
# endif
duration = 0;
do {
- char *arg = *argv;
- if (strchr(arg, '.')) {
- double d;
- char *pp;
- int len = strspn(arg, "0123456789.");
- char sv = arg[len];
- arg[len] = '\0';
- errno = 0;
- d = strtod(arg, &pp);
- if (errno || *pp)
- bb_show_usage();
- arg += len;
- *arg-- = sv;
- sv = *arg;
- *arg = '1';
- duration += d * xatoul_sfx(arg, sfx);
- *arg = sv;
- } else {
- duration += xatoul_sfx(arg, sfx);
- }
+ duration += parse_duration_str(*argv);
} while (*++argv);
-
- ts.tv_sec = MAXINT(typeof(ts.tv_sec));
- ts.tv_nsec = 0;
- if (duration >= 0 && duration < ts.tv_sec) {
- ts.tv_sec = duration;
- ts.tv_nsec = (duration - ts.tv_sec) * 1000000000;
- }
- do {
- errno = 0;
- nanosleep(&ts, &ts);
- } while (errno == EINTR);
-
-#elif ENABLE_FEATURE_FANCY_SLEEP
-
- duration = 0;
- do {
- duration += xatou_range_sfx(*argv, 0, UINT_MAX - duration, sfx);
- } while (*++argv);
- sleep(duration);
-
+ sleep_for_duration(duration);
#else /* simple */
-
duration = xatou(*argv);
sleep(duration);
- // Off. If it's really needed, provide example why
- //if (sleep(duration)) {
- // bb_perror_nomsg_and_die();
- //}
-
#endif
-
return EXIT_SUCCESS;
}