Check for SYS/GL during library init. Reason is that
[AROS.git] / workbench / devs / diskimage / support / diskimagedevice.c
blob67e997c932abc6bc23b10f4f82918c27f71e4766
1 /* Copyright 2007-2012 Fredrik Wikstrom. All rights reserved.
2 **
3 ** Redistribution and use in source and binary forms, with or without
4 ** modification, are permitted provided that the following conditions
5 ** are met:
6 **
7 ** 1. Redistributions of source code must retain the above copyright
8 ** notice, this list of conditions and the following disclaimer.
9 **
10 ** 2. Redistributions in binary form must reproduce the above copyright
11 ** notice, this list of conditions and the following disclaimer in the
12 ** documentation and/or other materials provided with the distribution.
14 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
15 ** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 ** ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
18 ** LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 ** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 ** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 ** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 ** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 ** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 ** POSSIBILITY OF SUCH DAMAGE.
27 #include "support.h"
28 #include <devices/diskimage.h>
29 #include <proto/exec.h>
30 //#include <proto/diskimage.h>
32 struct MsgPort *DiskImagePort;
33 struct IORequest *DiskImageIO;
34 struct Library *DiskImageBase;
36 BOOL OpenDiskImageDevice (ULONG unit_num) {
37 DiskImagePort = CreateMsgPort();
38 DiskImageIO = CreateIORequest(DiskImagePort, sizeof(struct IOExtTD));
39 if (DiskImageIO) {
40 if (OpenDevice("diskimage.device", unit_num, DiskImageIO, 0) == IOERR_SUCCESS) {
41 DiskImageBase = (struct Library *)DiskImageIO->io_Device;
42 return TRUE;
45 CloseDiskImageDevice();
46 return FALSE;
49 void CloseDiskImageDevice (void) {
50 if (DiskImageBase) {
51 CloseDevice(DiskImageIO);
52 DiskImageBase = NULL;
54 DeleteIORequest(DiskImageIO);
55 DeleteMsgPort(DiskImagePort);
56 DiskImageIO = NULL;
57 DiskImagePort = NULL;