/*TITLE generates test code file */

/****keyword-flag*** "%v %f %n" */
/* "4 20-Mar-98,20:14:08 STESTGEN.CPP" */

#include <stdio.h>
#include <stdlib.h>
#include "superm.h"

void process(FILE *in_file, FILE *out_file);
	
int main(int argc, char *argv[])
{
	FILE *in_file;
	FILE *out_file;

	if (argc < 3)
		{
		printf("Usage: stestgen in_code_file out_code_file\n");
		exit(1);
		}
	
	in_file = fopen(argv[1],"r+");
	out_file = fopen(argv[2],"w+");

	process(in_file,out_file);

	fclose(in_file);
	fclose(out_file);

    return 0;
}



void process(FILE *in_file,FILE *out_file)
{
	unsigned record_number;
	char *ascii_code_number[FILE_CAPACITY];
	int i;
	char *result;
	int selection_range;
	char temp_code_number[100];
	int random_value;
	int file_capacity;

	for (i = 0; i < FILE_CAPACITY; i ++)
		{
		ascii_code_number[i] = (char*)malloc(ASCII_KEY_SIZE+1);
		result = fgets(temp_code_number,100,in_file);
		if (result == NULL)
			break;
		temp_code_number[ASCII_KEY_SIZE] = 0;
		strcpy(ascii_code_number[i],temp_code_number);
		}

	file_capacity = FILE_CAPACITY; /* for easier debugging */

	for (i = 0; i < FILE_CAPACITY; i ++)
		{
		random_value = rand();
		random_value = random_value % file_capacity;
		if (random_value < file_capacity * 80 / 100)
			{
			/* usually pick one in first 20% */
			selection_range = file_capacity * 20 / 100;
			record_number = rand() % selection_range;
			}
		else
			{
			selection_range = file_capacity * 80 / 100;
			record_number = rand() % selection_range +
			file_capacity * 20 / 100;
			}
		fputs(ascii_code_number[record_number],out_file);
		fputs("\n",out_file);
		}
}