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+/* vi: set sw=4 ts=4:
+ *
+ * uptime.c - Tell how long the system has been running.
+ *
+ * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
+ *
+ * Not in SUSv3.
+
+USE_UPTIME(NEWTOY(uptime, NULL, TOYFLAG_USR|TOYFLAG_BIN))
+
+config UPTIME
+ bool "uptime"
+ default y
+ help
+ usage: uptime
+
+ Tell how long the system has been running and the system load
+ averages for the past 1, 5 and 15 minutes.
+*/
+
+#include "toys.h"
+#include <sys/sysinfo.h>
+#include <time.h>
+
+void uptime_main(void)
+{
+ struct sysinfo info;
+ time_t tmptime;
+ struct tm * now;
+ unsigned int days, hours, minutes;
+
+ // Obtain the data we need.
+ sysinfo(&info);
+ time(&tmptime);
+ now = localtime(&tmptime);
+
+ // Time
+ printf(" %02d:%02d:%02d up ", now->tm_hour, now->tm_min, now->tm_sec);
+ // Uptime
+ info.uptime /= 60;
+ minutes = info.uptime%60;
+ info.uptime /= 60;
+ hours = info.uptime%24;
+ days = info.uptime/24;
+ if (days) printf("%d day%s, ", days, (days!=1)?"s":"");
+ if (hours)
+ printf("%2d:%02d, ", hours, minutes);
+ else
+ printf("%d min, ", minutes);
+
+ printf(" load average: %.02f %.02f %.02f\n", info.loads[0]/65536.0,
+ info.loads[1]/65536.0, info.loads[2]/65536.0);
+
+}