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-rw-r--r--toys/sleep.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/toys/sleep.c b/toys/sleep.c
index 7052ecaa..c253deb0 100644
--- a/toys/sleep.c
+++ b/toys/sleep.c
@@ -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 @@ config SLEEP
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);
+ }
}