Question

Parse the dirent struct to see if an entry is a directory or a file. If it is a directory, prepend "./" to the filename before printing it out. Include a main that does this below.

Please do the above code using C language.

Answer 1

ANSWER:

I have provided the properly commented code in both text and image format so you can easily copy the code as well as check for correct indentation.
Have a nice and healthy day!!

CODE TEXT

#include <dirent.h>
#include <errno.h>
#include <sys/types.h>
#include<string.h>
#include <stdio.h>

int main() {
  DIR *dir;
  struct dirent *ent;

  if ((dir = opendir("\\")) == NULL)
    perror("opendir() error");
  else {
    puts("contents of root:");
    while ((ent = readdir (dir)) != NULL) {
      // condition for file, if . in  name but .. not in name and only . not in name
      if (strstr(ent->d_name, ".")!=NULL && strstr(ent->d_name, "..")==NULL && strcmp(ent->d_name, ".")!=0)
        printf ("File: %s\n", ent->d_name);
      else{
        // its directory
        // defining a prepend string
        char prepend[100] = ".\\";
        // strcat to prepend it
        strcat(prepend,ent->d_name);
        // displaying dir
        printf ("Folder: %s\n", prepend);
      }
    }
    closedir(dir);
  }
}

CODE IMAGE