60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
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/****************************************************************
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* *
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* Copyright 2001 Sanchez Computer Associates, Inc. *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include "io.h"
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#include "iottdef.h"
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#include "iomtdef.h"
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#include "io_params.h"
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void
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iomt_skipfile (io_desc *dev, int count)
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{
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d_mt_struct *mt_ptr;
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error_def (ERR_MTRDTHENWRT);
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mt_ptr = (d_mt_struct *) dev->dev_sp;
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if (mt_ptr->last_op == mt_write)
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{
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if (count > 0)
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rts_error (VARLSTCNT (1) ERR_MTRDTHENWRT);
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iomt_flush (dev);
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iomt_eof (dev);
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#ifdef UNIX
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if (mt_ptr->cap.req_extra_filemark)
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{
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iomt_eof (dev);
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count -= 2;
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}
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else
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#endif
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count--;
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} else if (mt_ptr->last_op == mt_eof)
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{
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if (count > 0)
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rts_error (VARLSTCNT (1) ERR_MTRDTHENWRT);
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#ifdef UNIX
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if (mt_ptr->cap.req_extra_filemark)
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{
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iomt_eof (dev);
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count -= 1;
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}
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#endif
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} else if (mt_ptr->last_op == mt_eof2 && count > 0)
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{
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rts_error (VARLSTCNT (1) ERR_MTRDTHENWRT);
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}
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iomt_qio (dev, IO_SKIPFILE, count);
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mt_ptr->last_op = mt_null;
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return;
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}
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