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-rw-r--r--procps/uptime.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/procps/uptime.c b/procps/uptime.c
new file mode 100644
index 000000000..46797adb7
--- /dev/null
+++ b/procps/uptime.c
@@ -0,0 +1,73 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini uptime implementation for busybox
+ *
+ * Copyright (C) 1999 by Lineo, inc.
+ * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/* This version of uptime doesn't display the number of users on the system,
+ * since busybox init doesn't mess with utmp. For folks using utmp that are
+ * just dying to have # of users reported, feel free to write it as some type
+ * of BB_FEATURE_UMTP_SUPPORT #define
+ */
+
+
+#include "internal.h"
+#include <stdio.h>
+#include <time.h>
+#include <sys/sysinfo.h>
+
+#define FSHIFT 16 /* nr of bits of precision */
+#define FIXED_1 (1<<FSHIFT) /* 1.0 as fixed-point */
+#define LOAD_INT(x) ((x) >> FSHIFT)
+#define LOAD_FRAC(x) LOAD_INT(((x) & (FIXED_1-1)) * 100)
+
+extern int uptime_main(int argc, char **argv)
+{
+ int updays, uphours, upminutes;
+ struct sysinfo info;
+ struct tm *current_time;
+ time_t current_secs;
+
+ time(&current_secs);
+ current_time = localtime(&current_secs);
+
+ sysinfo(&info);
+
+ fprintf(stdout, " %2d:%02d%s up ",
+ current_time->tm_hour%12 ? current_time->tm_hour%12 : 12,
+ current_time->tm_min, current_time->tm_hour > 11 ? "pm" : "am");
+ updays = (int) info.uptime / (60*60*24);
+ if (updays)
+ fprintf(stdout, "%d day%s, ", updays, (updays != 1) ? "s" : "");
+ upminutes = (int) info.uptime / 60;
+ uphours = (upminutes / 60) % 24;
+ upminutes %= 60;
+ if(uphours)
+ fprintf(stdout, "%2d:%02d, ", uphours, upminutes);
+ else
+ fprintf(stdout, "%d min, ", upminutes);
+
+ printf("load average: %ld.%02ld, %ld.%02ld, %ld.%02ld\n",
+ LOAD_INT(info.loads[0]), LOAD_FRAC(info.loads[0]),
+ LOAD_INT(info.loads[1]), LOAD_FRAC(info.loads[1]),
+ LOAD_INT(info.loads[2]), LOAD_FRAC(info.loads[2]));
+
+ exit(TRUE);
+}