static status_t
udf_read_dir(fs_volume *_volume, fs_vnode *vnode, void *cookie,
struct dirent *dirent, size_t bufferSize, uint32 *_num)
{
TRACE(("udf_read_dir: _volume = %p, vnode = %p, bufferSize = %ld\n",
_volume, vnode, bufferSize));
if (!_volume || !vnode || !cookie || !_num
|| bufferSize < sizeof(struct dirent)) {
return B_BAD_VALUE;
}
Volume *volume = (Volume *)_volume->private_volume;
Icb *dir = (Icb *)vnode->private_node;
DirectoryIterator *iterator = (DirectoryIterator *)cookie;
if (dir != iterator->Parent()) {
TRACE_ERROR(("udf_read_dir: Icb does not match parent Icb of given "
"DirectoryIterator! (iterator->Parent = %p)\n", iterator->Parent()));
return B_BAD_VALUE;
}
uint32 nameLength = bufferSize - sizeof(struct dirent) + 1;
ino_t id;
status_t status = iterator->GetNextEntry(dirent->d_name, &nameLength, &id);
if (!status) {
TRACE(("udf_read_dir: dirent->d_name = %s, length = %ld\n", dirent->d_name, nameLength));
*_num = 1;
dirent->d_dev = volume->ID();
dirent->d_ino = id;
dirent->d_reclen = sizeof(struct dirent) + nameLength - 1;
} else {
*_num = 0;
// Clear the status for end of directory
if (status == B_ENTRY_NOT_FOUND)
status = B_OK;
}
RETURN(status);
}
status_t
udf_rewind_dir(fs_volume *volume, fs_vnode *vnode, void *cookie)
{
TRACE(("udf_rewind_dir: volume = %p, vnode = %p, cookie = %p\n",
volume, vnode, cookie));
if (!volume || !vnode || !cookie)
RETURN(B_BAD_VALUE);
Icb *dir = (Icb *)vnode->private_node;
DirectoryIterator *iterator = (DirectoryIterator *)cookie;
if (dir != iterator->Parent()) {
PRINT(("udf_rewind_dir: icb does not match parent Icb of given "
"DirectoryIterator! (iterator->Parent = %p)\n", iterator->Parent()));
return B_BAD_VALUE;
}
iterator->Rewind();
return B_OK;
}