With the little patch below, things fail badly from the seek of that seek
and going forward.

wget http://jk.ufisa.uninett.no/gnumeric/colwidth.xls
./test-seek http://jk.ufisa.uninett.no/gnumeric/colwidth.xls colwidth.xls

** (process:12670): WARNING **: read failure: vfs read 69724 and fread 0 bytes
('Generic error')
** (process:12670): WARNING **: read failure: vfs read 69724 and fread 466 bytes
('Generic error')
** (process:12670): WARNING **: Offset mismatch 719 should be 1185
** (process:12670): WARNING **: Offset mismatch 719 should be 1185
** (process:12670): WARNING **: Offset mismatch 719 should be 1185



--- test-seek.c.~1.4.~	2004-09-16 15:16:08.000000000 -0400
+++ test-seek.c	2004-09-16 15:16:29.000000000 -0400
@@ -217,6 +217,12 @@
 		GnomeVFSFileOffset   seekpos = (1000.0 * rand () / (RAND_MAX + 1.0));
 		GnomeVFSSeekPosition w = (int)(2.0 * rand () / (RAND_MAX + 1.0));
 
+		if (i == 0) {
+			length = 0;
+			seekpos = 0;
+			w = GNOME_VFS_SEEK_END;
+		}
+
 		if (!seek_test_chunk (handle, ref, seekpos, w, length)) {
 			printf ("Failed: seek (offset %d, whence '%s'), read (length %d), tell = %ld\n",
 				(int)seekpos, translate_vfs_seek_pos (w, NULL),