int create_file(const char *name, mode_t mode, dev_t dev)
{
int number = search_free_block();
if (number >= 0)
{
inode_t *file = (inode_t *)create_block();
if (file != NULL)
{
int name_size = strlen(name) + 1;
if (name_size > NODE_NAME_MAX_SIZE)
{
name_size = NODE_NAME_MAX_SIZE;
}
file->status = BLOCK_STATUS_FILE;
memcpy(file->name, name, name_size);
file->stat.st_mode = S_IFREG | mode;
file->stat.st_rdev = dev;
file->stat.st_nlink = 1;
if (write_block(number, file) != 0)
{
number = -1;
}
destroy_block(file);
}
}
return number;
}
int create_folder(const char *name, mode_t mode)
{
int number = search_free_block();
if (number >= 0)
{
inode_t *folder = (inode_t *)create_block();
if (folder != NULL)
{
int name_size = strlen(name) + 1;
if (name_size > NODE_NAME_MAX_SIZE)
{
name_size = NODE_NAME_MAX_SIZE;
}
folder->status = BLOCK_STATUS_FOLDER;
memcpy(folder->name, name, name_size);
folder->stat.st_mode = S_IFDIR | mode;
folder->stat.st_nlink = 2;
if (write_block(number, folder) != 0)
{
number = -1;
}
destroy_block(folder);
}
}
return number;
}
/**
* alloue size octets de mémoire au système
* @param size: taille de l'allocation memoire demandée
* @return pointeur sur la zone mémoire allouée
*/
void *malloc(size_t size)
{
t_block *pnt;
initiation();
pthread_mutex_lock(&list.mutex);
pnt = search_free_block(size);
if (pnt != NULL)
{
set_attribute_block(pnt, size);
}
else
{
pnt = add_block_end(size);
}
pthread_mutex_unlock(&list.mutex);
return (pnt->pnt);
}
