M311-Principes-des-systemes-d-exploitation/2020-2021/S3T_TP_01_SGF-1/myls.c

/**
 * @ Author: JunkJumper
 * @ Link: https://github.com/JunkJumper
 * @ Copyright: Creative Common 4.0 (CC BY 4.0)
 * @ Create Time: 04-09-2020 11:43:11
 * @ Modified by: JunkJumper
 * @ Modified time: 17-09-2020 10:25:25
 * @ Description: code c produisant le même résultat qu'un ls.
 */

/// M311 - myls

#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include <stdlib.h>
#include <unistd.h>
#include <pwd.h>

int main(int argc, char *argv[])
{
   DIR *dir;
   struct dirent *entry;
   struct stat attribut;
   struct passwd user;
   int lesAtt;

   if (argc != 2)
   {
      fprintf(stderr, "Syntaxe : %s {le chemin}\n\n", argv[0]);
      exit(1);
   }
   
   dir = opendir(argv[1]);
   chdir(argv[1]);
   entry = readdir(dir);
   printf("%-10s %-3s %-5s %-15s %-15s %-8s %-13s %-30s \n", "Inode", "RWX", "Type", "Propriétaire", "Group Name", "Size", "Time", "Nom de Fichier");
   while(entry != NULL) {
      lesAtt = stat(entry->d_name, &attribut);
      
      if(lesAtt == -1) {
         perror("Échec stat");
         exit(2);
      }
      printf("%-10d %-3o %-5d %-15d %-15d %-8d %-13d %-30s\n", (int)entry->d_ino, attribut.st_mode&0777, entry->d_type, attribut.st_uid, attribut.st_gid, attribut.st_size,attribut.st_mtime, entry->d_name);
      entry = readdir(dir);
   }
   closedir(dir);
   return 0;
}