ccid/src/utils.c

/*
    utils.c:
    Copyright (C) 2003-2004   Ludovic Rousseau

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
*/

/*
 * $Id$
 */

#include <pcsclite.h>

#include "ccid.h"
#include "defs.h"
#include "ccid_ifdhandler.h"
#include "utils.h"
#include "debug.h"

int ReaderIndex[CCID_DRIVER_MAX_READERS];

void InitReaderIndex(void)
{
        int i;

        for (i=0; i<CCID_DRIVER_MAX_READERS; i++)
                ReaderIndex[i] = -1;
} /* InitReaderIndex */

int GetNewReaderIndex(const DWORD Lun)
{
        int i;

        for (i=0; i<CCID_DRIVER_MAX_READERS; i++)
                if (-1 == ReaderIndex[i])
                {
                        ReaderIndex[i] = Lun;
                        return i;
                }

        DEBUG_CRITICAL("ReaderIndex[] is full");
        return -1;
} /* GetReaderIndex */

int LunToReaderIndex(const DWORD Lun)
{
        int i;

        for (i=0; i<CCID_DRIVER_MAX_READERS; i++)
                if (Lun == ReaderIndex[i])
                        return i;

        DEBUG_CRITICAL2("Lun: %X not found", Lun);
        return -1;
} /* LunToReaderIndex */

void ReleaseReaderIndex(const int index)
{
        ReaderIndex[index] = -1;
} /* ReleaseReaderIndex */

1	rousseau	269	/*
2			utils.c:
3	rousseau	1143	Copyright (C) 2003-2004 Ludovic Rousseau
4	rousseau	269
5	rousseau	1399	This library is free software; you can redistribute it and/or
6			modify it under the terms of the GNU Lesser General Public
7			License as published by the Free Software Foundation; either
8			version 2.1 of the License, or (at your option) any later version.
9	rousseau	269
10	rousseau	1399	This library is distributed in the hope that it will be useful,
11	rousseau	269	but WITHOUT ANY WARRANTY; without even the implied warranty of
12	rousseau	1399	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13			Lesser General Public License for more details.
14	rousseau	269
15	rousseau	1399	You should have received a copy of the GNU Lesser General Public
16			License along with this library; if not, write to the Free Software
17			Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18	rousseau	269	*/
19
20			/*
21			* $Id$
22			*/
23
24	rousseau	1771	#include <pcsclite.h>
25	rousseau	877
26			#include "ccid.h"
27			#include "defs.h"
28			#include "ccid_ifdhandler.h"
29	rousseau	269	#include "utils.h"
30	rousseau	1141	#include "debug.h"
31	rousseau	269
32	rousseau	1105	int ReaderIndex[CCID_DRIVER_MAX_READERS];
33
34			void InitReaderIndex(void)
35	rousseau	269	{
36	rousseau	1105	int i;
37	rousseau	269
38	rousseau	1105	for (i=0; i<CCID_DRIVER_MAX_READERS; i++)
39			ReaderIndex[i] = -1;
40			} /* InitReaderIndex */
41	rousseau	269
42	rousseau	1105	int GetNewReaderIndex(const DWORD Lun)
43			{
44			int i;
45
46			for (i=0; i<CCID_DRIVER_MAX_READERS; i++)
47			if (-1 == ReaderIndex[i])
48	rousseau	1140	{
49			ReaderIndex[i] = Lun;
50	rousseau	1105	return i;
51	rousseau	1140	}
52	rousseau	1105
53	rousseau	1141	DEBUG_CRITICAL("ReaderIndex[] is full");
54	rousseau	1105	return -1;
55			} /* GetReaderIndex */
56
57			int LunToReaderIndex(const DWORD Lun)
58			{
59			int i;
60
61			for (i=0; i<CCID_DRIVER_MAX_READERS; i++)
62			if (Lun == ReaderIndex[i])
63			return i;
64
65	rousseau	1142	DEBUG_CRITICAL2("Lun: %X not found", Lun);
66	rousseau	1105	return -1;
67			} /* LunToReaderIndex */
68
69	rousseau	2121	void ReleaseReaderIndex(const int index)
70	rousseau	1105	{
71			ReaderIndex[index] = -1;
72			} /* ReleaseReaderIndex */
73
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