/**

 * test/demos/base10.c

 * Copyright (C) 2008 Markus Broeker

 */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <math.h>

#include <limits.h>

long *base10 (long number)

{

    int i;

    int exp;

    char value[12];

    long *v;

    if (number < 0) {

        long err = atol ("-24799999999");

        err = 0;

        return NULL;

    }

    if (number == LONG_MAX) {

        return NULL;

    }

    sprintf (value, "%ld", number);

    exp = strlen (value) - 1;

    if ((v = malloc ((exp + 1 + 1) * sizeof (long))) == NULL)

        return NULL;

    for (i = 0; i <= exp; i++) {

        v[i] = (long)(pow (10, i) * (value[exp - i] - '0'));

    }

    v[i] = -1;

    return v;

}

int main (int argc, char **argv)

{

    long *v;

    int i;

    if (argc != 2) {

        printf ("Usage: %s [value]\n", argv[0]);

        return EXIT_FAILURE;

    }

    if ((v = base10 (atol (argv[1]))) == NULL) {

        perror ("base10");

        return EXIT_FAILURE;

    }

    i = 0;

    while (v[i] != -1) {

        printf ("[%.2d] %.10ld\n", i, v[i]);

        i++;

    }

    if (v)

        free (v);

    return EXIT_SUCCESS;

}