emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

sleep: if FANCY && DESKTOP, support fractional seconds, minutes,

Browse Source 
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
This commit is contained in:
Denis Vlasenko
2008-07-12 17:05:14 +00:00
parent 34e8f6a7ac
commit adbb73bda7
5 changed files with 136 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
coreutils/sleep.c
View File

@ -36,28 +36,69 @@ static const struct suffix_mult sfx[] = {
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;
}