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: 10-09-2020 11:46:13
 * @ 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>

int main(int argc, char *argv[])
{
   DIR *dir;
   struct dirent *entry;
   struct stat attribut;
   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 %-5s %-30s %-30s\n", "Inode", "Type", "Nom de Fichier", "Stats inode");
   while(entry != NULL) {
      lesAtt = stat(entry->d_name, &attribut);
      
      if(lesAtt == -1) {
         perror("Échec stat");
         exit(2);
      }
      printf("%-10d %-5d %-30s %-30d\n", (int)entry->d_ino, entry->d_type, entry->d_name, attribut.st_ino);
      entry = readdir(dir);
   }
   closedir(dir);
   return 0;
}