K 10 svn:author V 8 mckusick K 8 svn:date V 27 2002-12-02T19:30:37.000000Z K 7 svn:log V 335 Verify that alternate superblocks have a correct magic number before trying to use them. Set a minimum value for numdirs when using an alternate superblock to avoid spurious numdirs == 0 error. Calculate new fields when using an alternate superblock from a UFS1 filesystem to avoid segment faulting. Sponsored by: DARPA & NAI Labs. END