Description of problem:
1. guestfish "file" command can not handle character special files properly, it just hang when called againest a char special file.
2. guestfish "touch" command can not handle fifo special files properly, it also hang.
These two commands can work for other special devices like block special file.

Version-Release number of selected component (if applicable):
libguestfs-1.0.85-1.fc12.3.x86_64
And also the lastest git version

How reproducible:
100%

Steps to Reproduce:
1. Run guestfish, add an img containing some char/block/fifo special files
2. Run and mount the partition
3. "file /path_to_char-dev-file" , it will hang the guestfish shell.
4. Repeat step 1,2, then run "touch /path_to_fifo-dev-file", it will hang.
5. ll,stat commands works fine for these special files

Actual results:
guestfish hang

Expected results:
command should return proper value

Additional info:
check logs in the attachment:
guestfish-file-error01.log
guestfish-touch-error02.log