add anticollision support for iso15693 and use correct mask_len (Bjoern Riemer)

[librfid] / src / rfid_layer2_iso14443a.c

diff --git a/src/rfid_layer2_iso14443a.c b/src/rfid_layer2_iso14443a.c
index 90af0f2..f2b3d26 100644 (file)
--- a/src/rfid_layer2_iso14443a.c
+++ b/src/rfid_layer2_iso14443a.c
@@ -330,14 +330,16 @@ iso14443a_getopt(struct rfid_layer2_handle *handle, int optname,
        switch (optname) {
        case RFID_OPT_14443A_SAK:
                *opt_u8 = h->sak;
-               optlen = sizeof(*opt_u8);
+               *optlen = sizeof(*opt_u8);
                break;
        case RFID_OPT_14443A_ATQA:
                *atqa = h->atqa;
+               *optlen = sizeof(*atqa);
                ret = 0;
                break;
        case RFID_OPT_14443A_WUPA:
                *wupa = ((handle->flags & RFID_OPT_LAYER2_WUP) != 0);
+               *optlen = sizeof(*wupa);
                ret = 0;
                break;
        };