my_ls

Présentation par Loïc BRANSTETT

Le 30/01/2019

Sommaire

Présentation du projet
Organisation
Architecture
Tests automatisé
Bonus
Questions ?

Présentation du projet

my_ls est un LiSting command-like.

Organisation

Architecture

Traitement d'un

path

Récupération des détails du path

Récupération des informations des éléments du dossier

Récupération des maximum en largueur des informations

Affichage des informations

Récupération des

arguments

Exemple ./my_ls -l dossier :

Architecture

my_ls.h:
#ifndef MY_LS_H_
#define MY_LS_H_

typedef struct {
    int recursive;
    int reverse;
    int no_scan;
    int long_display;
    int time_sort;
    int total_display;
    int all_files;
    int colors;
} options_t;

/* PROCESS PATHS */
int my_ls_process_path(options_t *opts, char *path);
int my_ls_process_paths(options_t *opts, int counts, char **paths);

#endif

Architecture

typedef struct {
    char *acl;
    char *nlinks;
    char *user;
    char *group;
    char *size;
    char *dev_minor;
    char *dev_major;
    char *time;
    char *fullname;
} ms_element_infos_t;

typedef struct {
    int max_nlinks;
    int max_user;
    int max_group;
    int max_size;
    int max_dev_minor;
    int max_dev_major;
    int max_time;
    int total;
} ms_element_infos_max_t;

/* PRINT */
int ms_print_elements(options_t *opts, ms_element_t *head);

/* SORT */
int ms_sort_alpha(ms_element_t *a, ms_element_t *b);
int ms_sort_time(ms_element_t *a, ms_element_t *b);
int ms_sort(ms_element_t *head, ms_element_t *start,
    int (*cmp)(ms_element_t *, ms_element_t *));

Tests automatisé

[===] Synthèse: Testés: 22 | Validés: 22 | Échoués: 0 | Plantages: 0

#include <criterion/criterion.h>
#include "ms.h"

Test(ms_query, simple)
{
    ms_element_t *list = ms_query(".", 0, 0);

    cr_assert_neq(list, NULL);
    cr_assert_neq(list, list->next);
}

Test(ms_query, no_hiden_files)
{
    ms_element_t *list = ms_query(".", 0, 0);

    for (ms_element_t *element = list->next; element != list;
            element = element->next) {
        cr_assert_neq(element->name, NULL);
        cr_assert_neq(element->name[0], '.');
    }
}

Tests automatisé

------------------------------------------------------------------------------
                           GCC Code Coverage Report
Directory: .
------------------------------------------------------------------------------
File                                       Lines    Exec  Cover   Missing
------------------------------------------------------------------------------
ms_element.c                                  48      46    95%   16,31
ms_infos.c                                    84      57    67%   21-29,33,...
ms_print.c                                    78      70    89%   17,41-42,...
ms_query.c                                    37      33    89%   33,41,44,57
ms_sort.c                                     21      21   100%   
my_ls_path.c                                  66      38    57%   19-22,28,...
utils.c                                       31      17    54%   12,17-21,...
------------------------------------------------------------------------------
TOTAL                                        365     282    77%
------------------------------------------------------------------------------

Bonus

Options:
  -a : ne pas ignorer les entrées débutant par .
  -c : colorer la sortie
  -h : afficher l'aide et quitte

Auto options:
  - Sort by name
  - Human readable size

Bonus

Questions ?

FIN

URL: slides.com/urgau-1/my_ls