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