+++ /dev/null
-/* $Id$
-*/
-/*
- tickcount -- Display the kernel tick count (or any tick count passed as an
- argument or as input) in human-readable format
-
- This is public domain software
-*/
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <tchar.h>
-#include <windows.h>
-
-typedef __int64 int64_;
-typedef unsigned __int64 uint64_;
-
-#define TICKS_YEAR (TICKS_DAY * ((uint64_)365))
-#define TICKS_MONTH (TICKS_DAY * ((uint64_)30))
-#define TICKS_WEEK (TICKS_DAY * ((uint64_)7))
-#define TICKS_DAY (TICKS_HOUR * ((uint64_)24))
-#define TICKS_HOUR (TICKS_MINUTE * ((uint64_)60))
-#define TICKS_MINUTE (TICKS_SECOND * ((uint64_)60))
-#define TICKS_SECOND ((uint64_)1000)
-
-#define SLICES_COUNT (sizeof(ticks_per_slice) / sizeof(ticks_per_slice[0]))
-
-uint64_ ticks_per_slice[] =
-{
- TICKS_YEAR,
- TICKS_MONTH,
- TICKS_WEEK,
- TICKS_DAY,
- TICKS_HOUR,
- TICKS_MINUTE,
- TICKS_SECOND,
- 1
-};
-
-_TCHAR * slice_names_singular[SLICES_COUNT] =
-{
- _T("year"),
- _T("month"),
- _T("week"),
- _T("day"),
- _T("hour"),
- _T("minute"),
- _T("second"),
- _T("millisecond")
-};
-
-_TCHAR * slice_names_plural[SLICES_COUNT] =
-{
- _T("years"),
- _T("months"),
- _T("weeks"),
- _T("days"),
- _T("hours"),
- _T("minutes"),
- _T("seconds"),
- _T("milliseconds")
-};
-
-void print_uptime
-(
- uint64_ tickcount,
- uint64_ prevsliceval,
- _TCHAR * prevsliceunit,
- int curslice
-)
-{
- uint64_ tick_cur = tickcount / ticks_per_slice[curslice];
- uint64_ tick_residual = tickcount % ticks_per_slice[curslice];
-
- assert(tick_cur <= (~((uint64_)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 parse_print(const _TCHAR * str)
-{
- int64_ tickcount;
-
- tickcount = _ttoi64(str);
-
- if(tickcount < 0)
- tickcount = - tickcount;
- else if(tickcount == 0)
- return 1;
-
- print_uptime(tickcount, 0, NULL, 0);
- _puttc(_T('\n'), stdout);
-
- return 0;
-}
-
-int _tmain(int argc, _TCHAR * argv[])
-{
- int r;
-
- if(argc <= 1)
- {
- print_uptime((uint64_)GetTickCount(), 0, NULL, 0);
- _puttc(_T('\n'), stdout);
- }
- else if(argc == 2 && argv[1][0] == _T('-') && argv[1][1] == 0)
- {
- while(!feof(stdin))
- {
- _TCHAR buf[23];
- _TCHAR * str;
-
- str = _fgetts(buf, 22, stdin);
-
- if(str == NULL)
- return 0;
-
- if((r = parse_print(str)) != 0)
- return r;
- }
- }
- else
- {
- int i;
-
- for(i = 1; i < argc; ++ i)
- if((r = parse_print(argv[i])) != 0)
- return r;
- }
-
- return 0;
-}