sleep: if FANCY && DESKTOP, support fractional seconds, minutes,
hours and so on. It's coreutils compat. bloatcheck is atrocious :(
function old new delta
sleep_main 71 362 +291
bb_strtod - 127 +127
make_device 1269 1294 +25
getoptscmd 708 713 +5
switch_root_main 402 401 -1
display_speed 90 85 -5
show_entry 295 289 -6
parse_expr 841 833 -8
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 3/4 up/down: 448/-20) Total: 428 bytes
diff --git a/coreutils/sleep.c b/coreutils/sleep.c
index 162d820..93b178d 100644
--- a/coreutils/sleep.c
+++ b/coreutils/sleep.c
@@ -36,28 +36,69 @@
int sleep_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int sleep_main(int argc UNUSED_PARAM, char **argv)
{
+#if ENABLE_FEATURE_FANCY_SLEEP && ENABLE_DESKTOP
+ double duration;
+ struct timespec ts;
+#else
unsigned duration;
+#endif
++argv;
if (!*argv)
bb_show_usage();
-#if ENABLE_FEATURE_FANCY_SLEEP
+#if ENABLE_FEATURE_FANCY_SLEEP && ENABLE_DESKTOP
duration = 0;
do {
- duration += xatoul_range_sfx(*argv, 0, UINT_MAX-duration, sfx);
+ char *arg = *argv;
+ if (strchr(arg, '.')) {
+ double d;
+ int len = strspn(arg, "0123456789.");
+ char sv = arg[len];
+ arg[len] = '\0';
+ d = bb_strtod(arg, NULL);
+ if (errno)
+ bb_show_usage();
+ arg[len] = sv;
+ len--;
+ sv = arg[len];
+ arg[len] = '1';
+ duration += d * xatoul_sfx(&arg[len], sfx);
+ arg[len] = sv;
+ } else
+ duration += xatoul_sfx(arg, sfx);
} while (*++argv);
-#else /* FEATURE_FANCY_SLEEP */
+ 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);
+
+#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 /* FEATURE_FANCY_SLEEP */
-
- if (sleep(duration)) {
- bb_perror_nomsg_and_die();
- }
+#endif
return EXIT_SUCCESS;
}