minishell/stdme/src/fs/directory.c
2024-08-05 15:31:02 +02:00

67 lines
1.9 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* directory.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/07/30 16:24:53 by rparodi #+# #+# */
/* Updated: 2024/08/05 15:19:12 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "me/fs/fs.h"
#include "me/mem/mem.h"
#include "me/str/str.h"
#include "me/types.h"
#include "unistd.h"
#include <dirent.h>
#include <errno.h>
#include <stdio.h>
#include <sys/stat.h>
t_error open_dir(t_str name, t_dir **dir)
{
t_dir *out;
struct s_file_slot *slot;
slot = get_unused_fd_slot();
out = &slot->slot.dir;
out->ptr = opendir(name);
if (out->ptr == NULL)
return (ERROR);
slot->ty = SLOT_DIR;
out->name = str_clone(name);
*dir = out;
return (NO_ERROR);
}
t_error read_dir(t_dir *dir, t_dir_entry *out)
{
struct dirent *entry;
if (dir == NULL || out == NULL || dir->ptr == NULL)
return (ERROR);
errno = 0;
entry = readdir(dir->ptr);
if (entry == NULL && errno != 0)
return (ERROR);
*out = entry;
return (NO_ERROR);
}
void close_dir(t_dir *dir)
{
struct s_file_slot *slot;
if (dir == NULL)
return ;
if (closedir(dir->ptr) == -1)
return ;
if (dir->name != NULL)
mem_free(dir->name);
slot = (void *)(dir)-offsetof(struct s_file_slot, slot.dir);
mem_set_zero(slot, sizeof(*slot));
slot->ty = SLOT_UNUSED;
}