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sc_check_sw
Langue: en
Version: 09/10/2007 (ubuntu - 07/07/09)
Section: 3 (Bibliothèques de fonctions)
Sommaire
NAME
sc_check_sw - Check return status from a card transactionSYNOPSIS
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#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.
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