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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <syserr.h>
include "fmio.h"
# FM_LFUNDELETE -- Undelete an lfile.
procedure fm_lfundelete (fm, lfile)
pointer fm #I FMIO descriptor
int lfile #I lfile number
pointer lf
errchk syserrs, fmio_bind, fmio_errchk
begin
call fmio_bind (fm)
call fmio_errchk (fm)
# Verify input.
if (lfile < 0 || lfile > FM_NLFILES(fm))
call syserrs (SYS_FMLFNOOB, FM_DFNAME(fm))
lf = FM_FTABLE(fm) + lfile * LEN_FTE
LF_FLAGS(lf) = and (LF_FLAGS(lf), not(LFF_DELETED))
FM_DHMODIFIED(fm) = YES
call fmio_tick (fm)
end
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