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/**********************************************************************
*
* This file is part of Cardpeek, the smartcard reader utility.
*
* Copyright 2009 by 'L1L1'
*
* Cardpeek is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cardpeek 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cardpeek. If not, see <http://www.gnu.org/licenses/>.
*
*/
static int null_error(cardreader_t *cr)
{
UNUSED(cr);
log_printf(LOG_ERROR,"Operation failed: no connected reader selected");
return 0;
}
static int null_connect(cardreader_t *cr, unsigned prefered_protocol)
{
UNUSED(prefered_protocol);
return null_error(cr);
}
static unsigned short null_transmit(cardreader_t* cr,
const bytestring_t* command,
bytestring_t* result)
{
UNUSED(command);
UNUSED(result);
null_error(cr);
return CARDPEEK_ERROR_SW;
}
static const bytestring_t* null_last_atr(cardreader_t* cr)
{
return cr->atr;
}
static int null_fail(cardreader_t* cr)
{
UNUSED(cr);
return 1;
}
static void null_finalize(cardreader_t* cr)
{
/* null_error(cr); */
}
static int null_initialize(cardreader_t *reader)
{
reader->connect = null_connect;
reader->disconnect = null_error;
reader->reset = null_error;
reader->transmit = null_transmit;
reader->last_atr = null_last_atr;
reader->fail = null_fail;
reader->finalize = null_finalize;
return 1;
}
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