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cmdhf14a: Fix usage of sizeof on a uint16_t array

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This commit is contained in:
Philippe Teuwen 2019-03-24 23:52:00 +01:00
commit 59cf25640f
1 changed files with 3 additions and 3 deletions
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6
client/cmdhf14a.c
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@ -524,7 +524,7 @@ int CmdHF14AInfo(const char *Cmd) {
(tb1 ? "" : " NOT"), (tb1 ? "" : " NOT"),
(tc1 ? "" : " NOT"), (tc1 ? "" : " NOT"),
fsci, fsci,
fsci < sizeof(atsFSC) ? atsFSC[fsci] : -1 fsci < sizeof(atsFSC)/sizeof(atsFSC[0]) ? atsFSC[fsci] : -1
); );
} }
pos = 2; pos = 2;
@ -959,7 +959,7 @@ int SelectCard14443_4(bool disconnect, iso14a_card_select_t *card) {
// get frame length from ATS in data field // get frame length from ATS in data field
if (resp.arg[0] > 1) { if (resp.arg[0] > 1) {
uint8_t fsci = resp.d.asBytes[1] & 0x0f; uint8_t fsci = resp.d.asBytes[1] & 0x0f;
if (fsci < sizeof(atsFSC)) if (fsci < sizeof(atsFSC)/sizeof(atsFSC[0]))
frameLength = atsFSC[fsci]; frameLength = atsFSC[fsci];
} }
} else { } else {
@ -967,7 +967,7 @@ int SelectCard14443_4(bool disconnect, iso14a_card_select_t *card) {
iso14a_card_select_t *vcard = (iso14a_card_select_t *) resp.d.asBytes; iso14a_card_select_t *vcard = (iso14a_card_select_t *) resp.d.asBytes;
if (vcard->ats_len > 1) { if (vcard->ats_len > 1) {
uint8_t fsci = vcard->ats[1] & 0x0f; uint8_t fsci = vcard->ats[1] & 0x0f;
if (fsci < sizeof(atsFSC)) if (fsci < sizeof(atsFSC)/sizeof(atsFSC[0]))
frameLength = atsFSC[fsci]; frameLength = atsFSC[fsci];
} }