1 /*- 2 * Copyright (c) 1979, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)UNIT.c 8.1 (Berkeley) 06/06/93"; 10 #endif /* not lint */ 11 12 #include "h00vars.h" 13 14 struct iorec * 15 UNIT(curfile) 16 17 register struct iorec *curfile; 18 { 19 if (curfile->fblk >= MAXFILES || _actfile[curfile->fblk] != curfile) { 20 ERROR("Reference to an inactive file\n", 0); 21 return; 22 } 23 if (curfile->funit & FDEF) { 24 ERROR("%s: Reference to an inactive file\n", curfile->pfname); 25 return; 26 } 27 return curfile; 28 } 29