K 10 svn:author V 8 cperciva K 8 svn:date V 27 2008-05-19T18:38:01.000000Z K 7 svn:log V 251 Detect if argv[1] is "" and avoid calling malloc(0). Prior to this commit, running 'tar ""' would print 'No memory' instead of the correct error message, 'Must specify one of -c, -r, -t, -u, -x' if malloc is set to System V mode (malloc(0) == NULL). END