uptime.c

使用于OS/2下的小工具的C源程序,使用于OS/2下的小工具的C源程序

/*
* UPTIME.C - Show the time the system has been running.
*
* PROGRAMMER:	    Martti Ylikoski
* CREATED:	    30.3.1991
*/
static char *VERSION = "Versio 1.0, Copyright (c) Martti Ylikoski, 1991" ;
/*
*/

#include <stdio.h>
#define INCL_DOSINFOSEG
#include <os2.h>
#include <param.h>
#include <paramstd.h>

static char *progname, *fname	;
extern unsigned long pflags ;

ParamEntry pentry[12] = {
     "P", &ParamSetPause, 0,
     "F", &ParamSetFold, 0,
     "V", &ParamSetVerbose, 1,
     "R", &ParamSetReport, 1,
     "S", &ParamSetSubDirs, 0,
     "?", &ParamSetHelp, 1,
     "H", &ParamSetHelp, 1,
     "NOD", &ParamSetNoDefault, 0,
     "TEST", &ParamSetTest, 0,
     "Y", &ParamSetYes, 0,
     "N", &ParamSetTest, 0,
     "\0", NULL, 0
} ;

ParamBlock params = {
    "/-",   IGNORECASE | NOPRIORITY | NOTRIGGERSALLOWED ,
    pentry
} ;

int main(int argc, char *argv[])
{
USHORT ret ;
SEL ginfo, linfo ;
GINFOSEG FAR *pgis ;
int output ;
unsigned long days, hours, minutes, seconds, hundredths ;

   progname = argv[0] ;
   days = 0L ; hours = 0L ; minutes = 0L ; seconds = 0L ; hundredths = 0L ;
   output = FALSE ;

   ParamHandle(&params, &argc, argv) ;

   if (pflags & PA_HELP )
   {
      printf("%s - displays the time the system has been up.\n", progname) ;
      puts(VERSION) ;
      printf("Usage: %s [/H | /? | /R ] command arguments\n", progname) ;
      puts("Where:") ;
      puts("      /R = Report mode   /H,/? = Help") ;
      return( 0 ) ;
   }

   if (( ret = DosGetInfoSeg(&ginfo, &linfo)) != 0)
   {
      printf("%s: error in DosGetInfoSeg", progname) ;
      return(1) ;
   }

   pgis = MAKEPGINFOSEG(ginfo) ;

   seconds = pgis->msecs / 1000 ;
   minutes = seconds / 60 ;
   hours = minutes / 60 ;
   days = hours / 24 ;
   hours -= days * 24 ;
   minutes -= days*24*60 + hours * 60 ;
   seconds -= days*24*60*60 + hours*60*60 + minutes*60 ;
   hundredths -= days*24*60*60*1000 + hours*60*60*1000 + minutes*60*1000 + seconds*1000 ;

   if (pflags & PA_REPORT)
   {
      printf("[UPTIME]\ndays=%ld\nhours=%ld\nminutes=%ld\nseconds=%ld\n",
	      days, hours, minutes, seconds) ;
   }
   else
   {
      printf("The system has been up ") ;

      if (days != 0)
      {
	 output = TRUE ;
	 printf("%ld days, ", days) ;
      }

      if (hours != 0)
      {
	 output = TRUE ;
	 printf("%ld hours, ", hours) ;
      }

      if (minutes != 0 || output == TRUE)
      {
	 output = TRUE ;
	 printf("%ld minutes, ", minutes ) ;
      }

      if (seconds != 0 || output == TRUE)
      {
	 output = TRUE ;
	 printf("%ld seconds.\n", seconds ) ;
       }

//    printf("%ld hundredths.", hundredths ) ;
//   printf("The system has been up %ul milliseconds\n", pgis->msecs) ;
   }

   return( 0 ) ;
}