+static int do_wim_apply_dentry_ntfs(struct dentry *dentry, ntfs_inode *dir_ni,
+ WIMStruct *w);
+
+/*
+ * If @dentry is part of a hard link group, search for hard-linked dentries in
+ * the same directory that have a nonempty DOS (short) filename. There should
+ * be exactly 0 or 1 such dentries. If there is 1, extract that dentry first,
+ * so that the DOS name is correctly associated with the corresponding long name
+ * in the Win32 namespace, and not any of the additional names in the POSIX
+ * namespace created from hard links.
+ */
+static int preapply_dentry_with_dos_name(struct dentry *dentry,
+ ntfs_inode **dir_ni_p,
+ WIMStruct *w)
+{
+ int ret;
+ struct dentry *other;
+ struct dentry *dentry_with_dos_name;
+
+ if (dentry->link_group_list.next == &dentry->link_group_list)
+ return 0;
+
+ dentry_with_dos_name = NULL;
+ list_for_each_entry(other, &dentry->link_group_list,
+ link_group_list)
+ {
+ if (dentry->parent == other->parent && other->short_name_len) {
+ if (dentry_with_dos_name) {
+ ERROR("Found multiple DOS names for file `%s' "
+ "in the same directory",
+ dentry_with_dos_name->full_path_utf8);
+ return WIMLIB_ERR_INVALID_DENTRY;
+ }
+ dentry_with_dos_name = other;
+ }
+ }
+ /* If there's a dentry with a DOS name, extract it first */
+ if (dentry_with_dos_name && !dentry_with_dos_name->extracted_file) {
+ char *p;
+ const char *dir_name;
+ char orig;
+ ntfs_volume *vol = (*dir_ni_p)->vol;
+
+ DEBUG("pre-applying DOS name `%s'",
+ dentry_with_dos_name->full_path_utf8);
+ ret = do_wim_apply_dentry_ntfs(dentry_with_dos_name,
+ *dir_ni_p, w);
+ if (ret != 0)
+ return ret;
+ p = dentry->full_path_utf8 + dentry->full_path_utf8_len;
+ do {
+ p--;
+ } while (*p != '/');
+
+ orig = *p;
+ *p = '\0';
+ dir_name = dentry->full_path_utf8;
+
+ *dir_ni_p = ntfs_pathname_to_inode(vol, NULL, dir_name);
+ *p = orig;
+ if (!*dir_ni_p) {
+ ERROR_WITH_ERRNO("Could not find NTFS inode for `%s'",
+ dir_name);
+ return WIMLIB_ERR_NTFS_3G;
+ }
+ }
+ return 0;
+}
+