#define _GNU_SOURCE

#include "shared.h"
#include "arena.h"
#include "encryption.h"
#include "ll.h"

#include <errno.h>
#include <error.h>
#include <stdio.h>

#include <string.h>
#include <stdlib.h>


#include <dirent.h>
int selector(const struct dirent *ent) {
    // non-zero value includes a file, zero value excludes it
    if(strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
        return 0;

    return 1;
}

int printnames(void *data) {
    struct dirent *node = (struct dirent *)data;

    printf("%s\n", (node) ? node->d_name : "null");
    return 0;
}

int main() {
    // error(1, ENOTSUP, "No main file lol");

    // Sample code on scanning the file system

    struct dirent **namelist = NULL;
    int numentries = scandir(".", &namelist, selector, alphasort);
    if(numentries < 0)
        error(1, errno, "Ran into error scanning dir");

    dlinkedlist *list = dlinkedlist_init();
    for(int i = 0; i < numentries; i++)
        dlinkedlist_append(list, (void *)(namelist[i]), free);
    free(namelist);
    
    dlinkedlist_foreach(list, printnames);
    dlinkedlist_free(list);

    return 0;
}