K 10 svn:author V 2 dg K 8 svn:date V 27 1994-09-02T10:23:43.000000Z K 7 svn:log V 206 Disallow truncating to negative file sizes. Doing so causes ffs_truncate() and perhaps other fs truncate's to go crazy and panic the machine or worse. This fixes the truncate bug reported by Michael Class. END