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-rw-r--r--toys/free.c61
-rw-r--r--toys/uptime.c54
2 files changed, 115 insertions, 0 deletions
diff --git a/toys/free.c b/toys/free.c
new file mode 100644
index 00000000..529da19a
--- /dev/null
+++ b/toys/free.c
@@ -0,0 +1,61 @@
+/* vi: set sw=4 ts=4:
+ *
+ * free.c - Display amount of free and used memory in the system.
+ *
+ * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com>
+ *
+ * Not in SUSv3.
+
+USE_FREE(NEWTOY(free, "gmkb", TOYFLAG_USR|TOYFLAG_BIN))
+
+config FREE
+ bool "free"
+ default y
+ help
+ usage: free [-bkmg]
+
+ Display the total, free and used amount of physical memory and
+ swap space.
+ -bkmg Output in bytes (default), KB, MB or GB
+*/
+
+#include "toys.h"
+#include <sys/sysinfo.h>
+
+
+static unsigned long long convert(unsigned long d, unsigned int iscale,
+ unsigned int oscale)
+{
+ return ((unsigned long long)d*iscale)>>oscale;
+}
+
+void free_main(void)
+{
+ struct sysinfo info;
+ unsigned int iscale = 1;
+ unsigned int oscale = 0;
+
+ sysinfo(&info);
+ if (info.mem_unit) iscale = info.mem_unit;
+ if (toys.optflags & 1) oscale = 0;
+ if (toys.optflags & 2) oscale = 10;
+ if (toys.optflags & 4) oscale = 20;
+ if (toys.optflags & 8) oscale = 30;
+
+ printf(" total used free shared buffers\n");
+ printf("Mem: %12llu%12llu%12llu%12llu%12llu\n",
+ convert(info.totalram, iscale, oscale),
+ convert(info.totalram-info.freeram, iscale, oscale),
+ convert(info.freeram, iscale, oscale),
+ convert(info.sharedram, iscale, oscale),
+ convert(info.bufferram, iscale, oscale));
+
+ printf("-/+ buffers/cache: %12llu%12llu\n",
+ convert(info.totalram - info.freeram - info.bufferram, iscale, oscale),
+ convert(info.freeram + info.bufferram, iscale, oscale));
+
+ printf("Swap: %12llu%12llu%12llu\n",
+ convert(info.totalswap, iscale, oscale),
+ convert(info.totalswap - info.freeswap, iscale, oscale),
+ convert(info.freeswap, iscale, oscale));
+}
diff --git a/toys/uptime.c b/toys/uptime.c
new file mode 100644
index 00000000..046b9a29
--- /dev/null
+++ b/toys/uptime.c
@@ -0,0 +1,54 @@
+/* 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);
+
+}