/*
  COUNTDOWN Ver 1.11           This Program is PUBLIC DOMAIN
  Author: Kirby Angell                Do with it what you will
  Date : Oct 88

  Commets to the author may be addressed to:
	via NetMail address 147/42
	BBS Number (405)771-5954
	Or by snail at
		12500 Teakwood Rd
		Edmond, OK  73013
*/

#define MAXLEN 80
#define LIMIT 30
#define OK 0
#define ERROR 1
#include <stdlib.h>

logo()
{
  printf("\nCOUNTDOWN ver 1.11\n");

}

argcheck(int count, char *param)
{
  if (count < 2) {
    printf("\nUSAGE: COUNTDN 2 50 Hold_for_RoboCoder_or_press_any_key\n");
    printf("Would exit with errorlevel 2 if you press a key before the program ends,\n");
    printf("or exit in 50 seconds with errorlevel %d if you don't.\n",OK);
    printf("This would also print out \"Hold for RoboCoder or press any key\"\n");
    printf("as the prompt. The maximum prompt length is %d.\n",MAXLEN);
    printf("The program exits with errorlevel %d if there is are improper command line\n",ERROR);
    printf("arguments.\n");
    exit(ERROR);
  }
  if ((atoi(param) == OK) || (atoi(param) == ERROR)) {
    printf("\nERROR: Errorlevel cannot equal %d or %d\n",OK,ERROR);
    exit(ERROR);
  }
}

stripblanks(char *in)
{
  while (*in++ != '\0')
    if (*in == '_')
      *in = ' ';
}

main(int argc, char *argv[])
{
  int timer;
  int errorlevel;
  int top;
  char prompt[MAXLEN] = "Press any key to exit with errorlevel...\n\0";

  logo();
  argcheck(argc,argv[1]);

  errorlevel = atoi(argv[1]);
  if (argc >= 3)
    top = atoi(argv[2]);
  else
    top = LIMIT;

  if (argc == 4)
    stripblanks(strcpy(prompt,argv[3]));

  printf("%s\n",prompt);

  for (timer = top;timer > 0; --timer) {
    printf(".");
    delay(1000);
    if (kbhit())
    {
      getch();
      printf("\n");
      exit(errorlevel);
    }
  }
  printf("\n");
  return OK;
}