Mercurial > hg > toybox
changeset 515:a057cbaeaf16
Add fraction and extension support to sleep.
author | Georgi Chorbadzhiyski <georgi@unixsol.org> |
---|---|
date | Sat, 03 Mar 2012 22:55:33 -0600 |
parents | 25617169cf49 |
children | ec7dd0ef7eae |
files | toys/sleep.c |
diffstat | 1 files changed, 20 insertions(+), 7 deletions(-) [+] |
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--- a/toys/sleep.c Sat Mar 03 18:17:49 2012 -0600 +++ b/toys/sleep.c Sat Mar 03 22:55:33 2012 -0600 @@ -3,6 +3,7 @@ * sleep.c - Wait for a number of seconds. * * Copyright 2007 Rob Landley <rob@landley.net> + * Copyright 2012 Georgi Chorbadzhiyski <georgi@unixsol.org> * * See http://www.opengroup.org/onlinepubs/009695399/utilities/sleep.html @@ -12,18 +13,30 @@ bool "sleep" default y help - usage: sleep SECONDS + usage: sleep [.]SECONDS[SUFFIX] - Wait a decimal integer number of 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. */ #include "toys.h" -DEFINE_GLOBALS( - long seconds; -) - void sleep_main(void) { - toys.exitval = sleep(atol(*toys.optargs)); + 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; + } + toys.exitval = sleep(period); + } }