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authorRob Landley <rob@landley.net>2012-03-03 23:45:01 -0600
committerRob Landley <rob@landley.net>2012-03-03 23:45:01 -0600
commit2b7b1ad04bbbbadd61067f46c6f24264a318d666 (patch)
treebc1f3990cb6e48d383dce41f354b976478b9a376 /toys/sleep.c
parentf1e82dfa2131c4c8b8bfc83209c9f1d26cc7f35c (diff)
downloadtoybox-2b7b1ad04bbbbadd61067f46c6f24264a318d666.tar.gz
Make floating point support depend on TOYBOX_FLOAT, make 0.1m work.
Diffstat (limited to 'toys/sleep.c')
-rw-r--r--toys/sleep.c46
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));
}
}