#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <errno.h>
#include <sys/stat.h>
#define charalloc(howmuch) (char *)nmalloc((howmuch) * sizeof(char))

 int determine(const char *a);
 void *nmalloc(size_t howmuch);
 int mistakes;

 int main(int argc, char** argv)
{
    int m;
    char *filename = &argv[1][0];

     m = determine(filename);
    if (m == 0)
        printf("New File");
    else
        printf("Invalid path");

    printf("\nExiting.\n");
    return 0;
}

/* Determine whether the components in a path are valid directories.
 * Anything above zero means that it contains non-existent ones. */
 int determine(const char *a)
{
    int i, len = strlen(a);
    char *x;
    struct stat buf2;

    mistakes = 0;
    x = charalloc(len * sizeof(char));

    for (i = len; i >= 0; --i) {
        if (a[i] == '/') {
            strncpy(x, a, i + 1);
            x[i + 2] = '\0';
            if (stat(x, &buf2) == -1)
                ++mistakes;
        }
    }
    free(x);
    return mistakes;
}

 void *nmalloc(size_t howmuch)
{
    void *r = malloc(howmuch);

    if (r == NULL && howmuch != 0)
        printf("nmalloc error.\n");//die(_("nano is out of memory!"));

    return r;
}