diff options
Diffstat (limited to 'toys/sleep.c')
| -rw-r--r-- | toys/sleep.c | 46 |
1 files changed, 29 insertions, 17 deletions
diff --git a/toys/sleep.c b/toys/sleep.c index c253deb0..d56678bb 100644 --- a/toys/sleep.c +++ b/toys/sleep.c @@ -13,30 +13,42 @@ config SLEEP bool "sleep" default y help - usage: sleep [.]SECONDS[SUFFIX] + usage: sleep SECONDS - Wait a decimal integer number of seconds. If seconds is preceded by . - then sleep waits .X seconds. [SUFFIX] can be set to "m" for minutes, - "h" for hours or "d" for days. The default suffix is "s" - seconds. + Wait before exiting. + +config SLEEP_FLOAT + bool + default y + depends on SLEEP && TOYBOX_FLOAT + help + The delay can be a decimal fraction. An optional suffix can be "m" + (minutes), "h" (hours), "d" (days), or "s" (seconds, the default). */ #include "toys.h" void sleep_main(void) { - char *arg = *toys.optargs; - unsigned long period; - if (arg[0] == '.') { - period = (unsigned long)(strtod(arg, NULL) * 1000000); - toys.exitval = usleep(period); - } else { - char suffix = arg[strlen(arg) - 1]; - period = strtoul(arg, NULL, 10); - switch (suffix) { - case 'm': period *= 60; break; - case 'h': period *= 3600; break; - case 'd': period *= 86400; break; + + if (!CFG_TOYBOX_FLOAT) toys.exitval = sleep(atol(*toys.optargs)); + else { + char *arg; + double d = strtod(*toys.optargs, &arg); + unsigned long l; + + // Parse suffix + if (*arg) { + int imhd[]={60,3600,86400}; + char *mhd = "mhd", *c = strchr(mhd, *arg); + if (!arg) error_exit("Unknown suffix '%c'", *arg); + d *= imhd[c-mhd]; } - toys.exitval = sleep(period); + + // wait through the delay + l = (unsigned long)d; + d -= l; + if (l) toys.exitval = sleep(l); + if (!toys.exitval) toys.exitval = usleep((unsigned long)(d * 1000000)); } } |