return 0;
}
+/*
+ * Add a new stream to the specified inode, with duplicate checking.
+ *
+ * This works around a problem where NTFS-3g can list multiple unnamed data
+ * streams for a single file. In this case we can only keep one. We'll prefer
+ * one that is nonempty.
+ */
+static int
+add_stream(struct wim_inode *inode, const char *path, int stream_type,
+ const utf16lechar *stream_name, struct blob_descriptor **blob_p,
+ struct list_head *unhashed_blobs)
+{
+ struct blob_descriptor *blob = *blob_p;
+ struct wim_inode_stream *strm;
+
+ strm = inode_get_stream(inode, stream_type, stream_name);
+ if (unlikely(strm)) {
+ /* Stream already existed. */
+ if (!blob)
+ return 0;
+ if (stream_blob_resolved(strm)) {
+ WARNING("\"%s\" has multiple nonempty streams "
+ "with the same type and name! Only the first "
+ "will be saved.", path);
+ return 0;
+ }
+ inode_replace_stream_blob(inode, strm, blob, NULL);
+ } else {
+ strm = inode_add_stream(inode, stream_type, stream_name, blob);
+ if (unlikely(!strm))
+ return WIMLIB_ERR_NOMEM;
+ }
+ prepare_unhashed_blob(blob, inode, strm->stream_id, unhashed_blobs);
+ *blob_p = NULL;
+ return 0;
+
+}
+
/* Save information about an NTFS attribute (stream) to a WIM inode. */
static int
scan_ntfs_attr(struct wim_inode *inode,
const u32 name_nchars = record->name_length;
struct blob_descriptor *blob = NULL;
utf16lechar *stream_name = NULL;
- struct wim_inode_stream *strm;
int ret;
if (unlikely(name_nchars)) {
goto out_cleanup;
}
- strm = inode_add_stream(inode,
- attr_type_to_wimlib_stream_type(type),
- stream_name ? stream_name : NO_STREAM_NAME,
- blob);
- if (unlikely(!strm)) {
- ret = WIMLIB_ERR_NOMEM;
- goto out_cleanup;
- }
- prepare_unhashed_blob(blob, inode, strm->stream_id, unhashed_blobs);
- blob = NULL;
- ret = 0;
+ ret = add_stream(inode, path, attr_type_to_wimlib_stream_type(type),
+ stream_name ? stream_name : NO_STREAM_NAME,
+ &blob, unhashed_blobs);
out_cleanup:
free_blob_descriptor(blob);
FREE(stream_name);