OpenSC API Referencesc_append_record3openscsc_append_recordAppend a record to a fileSynopsis
#include <opensc.h>
int sc_append_record(struct sc_card *card,
const unsigned char *buf, size_t buflen,
unsigned long flags);
Description
This function appends a record that is buflen bytes long from the buffer
pointed to by buf to a record-structured elementary file (EF) on
card. The function corresponds to the ISO
7816 APPEND RECORD function. Call sc_select_file()
first to select the file to write to.
Return value
Returns the number of bytes written if successful, or a negative value in case of error.