dentry_t* ext2_lookup(struct _fs_instance_t *instance, struct _dentry_t* dentry, const char * name) {
int flags = 0; // XXX
int inode = getinode_from_name((ext2_fs_instance_t*)instance, dentry->d_inode->i_ino, name);
if (inode == -ENOENT && (flags & O_CREAT)) {
//inode = ext2_mknod2((ext2_fs_instance_t*)instance, name, 00644 | 0x8000, 0); //FIXME!
} else if (inode <= 0) {
return NULL;
} else if (flags & O_EXCL && flags & O_CREAT) {
return NULL;
}
struct ext2_inode *einode = read_inode((ext2_fs_instance_t*)instance, inode);
dentry_t *d =(dentry_t*) kmalloc(sizeof(dentry_t),0);
char *n = strdup(name);
d->d_name = (const char*)n;
d->d_pdentry = dentry;
d->d_inode = (inode_t*)kmalloc(sizeof(inode_t),0);
ext2inode_2_inode(d->d_inode, instance, inode, einode);
d->d_inode->i_count = 0;
if (flags & O_TRUNC) {
ext2_truncate(d->d_inode, 0);
}
return d;
}
dentry_t* ext2_lookup(struct _fs_instance_t *instance, struct _dentry_t* dentry, const char * name) {
int flags = 0; // XXX
int inode = getinode_from_name((ext2_fs_instance_t*)instance, dentry->d_inode->i_ino, name);
if (inode == -ENOENT && (flags & O_CREAT)) {
//inode = ext2_mknod2((ext2_fs_instance_t*)instance, name, 00644 | 0x8000, 0); //FIXME!
// Plusieurs choses : getinode_from_name retourne ENOTDIR et pas ENOENT,
// flags vaut 0, et ce mknod est réalisé plus haut, peut-être qu'on devrait
// supprimer ce cas tout simplement ?
} else if (inode <= 0) {
return NULL;
} else if (flags & O_EXCL && flags & O_CREAT) {
return NULL;
}
struct ext2_inode *einode = read_inode((ext2_fs_instance_t*)instance, inode);
dentry_t *d = kmalloc(sizeof(dentry_t));
char *n = strdup(name);
d->d_name = (const char*)n;
d->d_pdentry = dentry;
d->d_inode = kmalloc(sizeof(inode_t));
ext2inode_2_inode(d->d_inode, instance, inode, einode);
d->d_inode->i_count = 0;
if (flags & O_TRUNC) {
ext2_truncate(d->d_inode, 0);
}
return d;
}
