From bc3ba178e3652b29a07510fba11443084d4cf162 Mon Sep 17 00:00:00 2001
From: "KJK::Hyperion" <hackbunny@reactos.org>
Date: Sun, 9 Feb 2003 21:17:21 +0000
Subject: [PATCH] New utility tickcount: displays the kernel tick count in
 human readable format. Sample output: 3 days, 11 hours, 13 minutes, 27
 seconds and 943 milliseconds

svn path=/trunk/; revision=4131
---
 reactos/apps/utils/Makefile              |   2 +-
 reactos/apps/utils/tickcount/makefile    |  19 +++
 reactos/apps/utils/tickcount/tickcount.c | 142 +++++++++++++++++++++++
 3 files changed, 162 insertions(+), 1 deletion(-)
 create mode 100644 reactos/apps/utils/tickcount/makefile
 create mode 100644 reactos/apps/utils/tickcount/tickcount.c

diff --git a/reactos/apps/utils/Makefile b/reactos/apps/utils/Makefile
index 2cd73483c21..a9b10338d9c 100644
--- a/reactos/apps/utils/Makefile
+++ b/reactos/apps/utils/Makefile
@@ -9,7 +9,7 @@ include $(PATH_TO_TOP)/rules.mak
 
 # Console system utilities
 # cabman cat net objdir partinfo pice ps sc stats
-UTIL_APPS = cat objdir partinfo sc stats
+UTIL_APPS = cat objdir partinfo sc stats tickcount
 
 UTIL_NET_APPS = 
 
diff --git a/reactos/apps/utils/tickcount/makefile b/reactos/apps/utils/tickcount/makefile
new file mode 100644
index 00000000000..96791815a9d
--- /dev/null
+++ b/reactos/apps/utils/tickcount/makefile
@@ -0,0 +1,19 @@
+PATH_TO_TOP = ../../..
+
+TARGET_NORC = yes
+
+TARGET_TYPE = program
+
+TARGET_APPTYPE = console
+
+TARGET_NAME = tickcount
+
+TARGET_SDKLIBS = kernel32.a
+
+TARGET_OBJECTS = tickcount.o
+
+include $(PATH_TO_TOP)/rules.mak
+
+include $(TOOLS_PATH)/helper.mk
+
+# EOF
diff --git a/reactos/apps/utils/tickcount/tickcount.c b/reactos/apps/utils/tickcount/tickcount.c
new file mode 100644
index 00000000000..2cf4940d231
--- /dev/null
+++ b/reactos/apps/utils/tickcount/tickcount.c
@@ -0,0 +1,142 @@
+/* $Id: tickcount.c,v 1.1 2003/02/09 21:17:21 hyperion Exp $
+*/
+/*
+ tickcount -- Display the kernel tick count in human-readable format
+
+ This is public domain software
+*/
+
+#include <assert.h>
+#include <stdio.h>
+#include <tchar.h>
+#include <windows.h>
+
+typedef __int64 int64_t;
+typedef unsigned __int64 uint64_t;
+
+#define TICKS_YEAR   (TICKS_DAY * ((uint64_t)365))
+#define TICKS_MONTH  (TICKS_DAY * ((uint64_t)30))
+#define TICKS_WEEK   (TICKS_DAY * ((uint64_t)7))
+#define TICKS_DAY    (TICKS_HOUR * ((uint64_t)24))
+#define TICKS_HOUR   (TICKS_MINUTE * ((uint64_t)60))
+#define TICKS_MINUTE (TICKS_SECOND * ((uint64_t)60))
+#define TICKS_SECOND ((uint64_t)1000)
+
+#define SLICES_COUNT (sizeof(ticks_per_slice) / sizeof(ticks_per_slice[0]))
+
+uint64_t ticks_per_slice[] =
+{
+ TICKS_YEAR,
+ TICKS_MONTH,
+ TICKS_WEEK, 
+ TICKS_DAY,
+ TICKS_HOUR,
+ TICKS_MINUTE,
+ TICKS_SECOND,
+ 1
+};
+
+_TCHAR * slice_names_singular[] =
+{
+ _T("year"),
+ _T("month"),
+ _T("week"),
+ _T("day"),
+ _T("hour"),
+ _T("minute"),
+ _T("second"),
+ _T("millisecond")
+};
+
+_TCHAR * slice_names_plural[] =
+{
+ _T("years"),
+ _T("months"),
+ _T("weeks"),
+ _T("days"),
+ _T("hours"),
+ _T("minutes"),
+ _T("seconds"),
+ _T("milliseconds")
+};
+
+void print_uptime
+(
+ uint64_t tickcount,
+ uint64_t prevsliceval,
+ _TCHAR * prevsliceunit,
+ int curslice
+)
+{
+ uint64_t tick_cur = tickcount / ticks_per_slice[curslice];
+ uint64_t tick_residual = tickcount % ticks_per_slice[curslice];
+
+ assert(tick_cur <= (~((unsigned)0)));
+
+ if(tick_residual == 0)
+ {
+  /* the current slice is the last */
+
+  if(prevsliceval == 0)
+  {
+   /* the current slice is the only */
+   _tprintf
+   (
+    _T("%u %s"),
+    (unsigned)tick_cur,
+    (tick_cur == 1 ? slice_names_singular : slice_names_plural)[curslice]
+   );
+  }
+  else
+  {
+   /* the current slice is the last, and there's a previous slice */
+   assert(prevsliceunit);
+
+   /* print the previous and the current slice, and terminate */
+   _tprintf
+   (
+    _T("%u %s %s %u %s"),
+    (unsigned)prevsliceval,
+    prevsliceunit,
+    _T("and"),
+    (unsigned)tick_cur,
+    (tick_cur == 1 ? slice_names_singular : slice_names_plural)[curslice]
+   );   
+  }
+ }
+ else if(tick_cur != 0)
+ {
+  /* the current slice is not the last, and non-zero */
+
+  if(prevsliceval != 0)
+  {
+   /* there's a previous slice: print it */
+   assert(prevsliceunit);
+   _tprintf(_T("%u %s, "), (unsigned)prevsliceval, prevsliceunit);
+  }
+
+  /* recursion on the next slice size, storing the current slice */
+  print_uptime
+  (
+   tick_residual,
+   tick_cur,
+   (tick_cur == 1 ? slice_names_singular : slice_names_plural)[curslice],
+   curslice + 1
+  );
+ }
+ else
+ {
+  /*
+   the current slice is not the last, and zero: recursion, remembering the
+   previous non-zero slice
+  */
+  print_uptime(tick_residual, prevsliceval, prevsliceunit, curslice + 1);
+ }
+}
+
+int _tmain()
+{
+ print_uptime((uint64_t)GetTickCount(), 0, NULL, 0);
+ _puttc(_T('\n'), stdout);
+ return 0;
+}