return 0;
}
+/*
+ * Extract a dentry to standard output.
+ *
+ * This obviously doesn't make sense in all cases. We return an error if the
+ * dentry does not correspond to a regular file. Otherwise we extract the
+ * unnamed data stream only.
+ */
+static int
+extract_dentry_to_stdout(struct wim_dentry *dentry)
+{
+ int ret = 0;
+ if (!dentry_is_regular_file(dentry)) {
+ ERROR("\"%"TS"\" is not a regular file and therefore cannot be "
+ "extracted to standard output", dentry->_full_path);
+ ret = WIMLIB_ERR_NOT_A_REGULAR_FILE;
+ } else {
+ struct wim_lookup_table_entry *lte;
+
+ lte = inode_unnamed_lte_resolved(dentry->d_inode);
+ if (lte) {
+ ret = extract_wim_resource_to_fd(lte, STDOUT_FILENO,
+ wim_resource_size(lte));
+ }
+ }
+ return ret;
+}
+
/*
* extract_tree - Extract a file or directory tree from the currently selected
* WIM image.
}
args.extract_root = root;
+ ret = calculate_dentry_tree_full_paths(root);
+ if (ret)
+ goto out_ntfs_umount;
+
+
/* Build a list of the streams that need to be extracted */
find_streams_for_extraction(root,
&stream_list,
calculate_bytes_to_extract(&stream_list, extract_flags,
&args.progress);
+ if (extract_flags & WIMLIB_EXTRACT_FLAG_TO_STDOUT) {
+ ret = extract_dentry_to_stdout(root);
+ goto out_mark_inodes_unvisited;
+ }
+
if (progress_func) {
progress_func(*wim_source_path ? WIMLIB_PROGRESS_MSG_EXTRACT_TREE_BEGIN :
WIMLIB_PROGRESS_MSG_EXTRACT_IMAGE_BEGIN,
&args.progress);
}
- ret = calculate_dentry_tree_full_paths(root);
- if (ret)
- goto out_mark_inodes_unvisited;
-
/* Make the directory structure and extract empty files */
args.extract_flags |= WIMLIB_EXTRACT_FLAG_NO_STREAMS;
args.apply_dentry = ops->apply_dentry;