#include "include.h"
#include <dirent.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>

int ls_main(int argc, char **argv) {
  int list_hidden = 0;
  int newline = 0;
  /*
          for (int ch;-1 != (ch = getopt(argc, argv, "a1"));)
                  switch ((char)ch)
                  {
                  case 'a':
                          list_hidden = 1;
                          break;
                  case '1':
                          newline = 1;
                          break;
                  }*/
  struct dirent **namelist;
  int n;
  COND_PERROR_EXP(-1 == (n = scandir("/", &namelist, 0, 0)), "scandir",
                  return 1);

  int prev = 0;
  for (int i = 0; i < n; i++) {
    if (!list_hidden)
      if ('.' == *namelist[i]->d_name)
          continue;

    if (prev)
      putchar(newline ? '\n' : ' ');
    else
      prev = 1;
    printf("%s", namelist[i]->d_name);
  }
  putchar('\n');
  return 0;
}