SC_CHECK_SW

Section: OpenSC API reference (3)
Updated: 08/27/2008
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NAME

sc_check_sw - Check return status from a card transaction  

SYNOPSIS

#include <opensc.h>

int sc_check_sw(struct sc_card *card, int sw1, int sw2);
                

 

DESCRIPTION

This function checks the return status as given in sw1 and sw2 against the card-specific errors of card. These are set by sc_transmit_apdu() in the apdu.sw1 and apdu.sw2 fields, respectively.

The function should be called after every APDU transmission, to convert the card's status code to an OpenSC error code.  

RETURN VALUE

Returns 0 if successful, or a negative value in case of error.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE

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