1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/****************************************************************
* *
* 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;
}
|
