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nfc-read-forum-tag3: fix incomplete NDEF retrieval and size of output file

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Pim 't Hart 2014-02-17 23:09:15 +01:00 committed by Philippe Teuwen
parent 491db20d54
commit 73c84c214d
1 changed files with 4 additions and 2 deletions
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6
utils/nfc-read-forum-tag3.c
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@ -130,6 +130,7 @@ nfc_forum_tag_type3_check(nfc_device *dev, const nfc_target *nt, const uint16_t
if ((res = nfc_initiator_transceive_bytes(dev, frame, frame_len, rx, sizeof(rx), 0)) < 0) {
return res;
}
const int res_overhead = 1 + 1 + 8 + 2; // 1+1+8+2: LEN + CMD + NFCID2 + STATUS
if (res < res_overhead) {
// Not enough data
@ -326,7 +327,7 @@ main(int argc, char *argv[])
const uint16_t block_count_to_check = (ndef_data_len / 16) + 1;
data_len = 0;
for (uint16_t b = 0; b < (block_count_to_check / block_max_per_check); b += block_max_per_check) {
for (uint16_t b = 0; b < ((block_count_to_check - 1) / block_max_per_check + 1); b += block_max_per_check) {
size_t size = sizeof(data) - data_len;
if (!nfc_forum_tag_type3_check(pnd, &nt, 1 + b, MIN(block_max_per_check, (block_count_to_check - (b * block_max_per_check))), data + data_len, &size)) {
nfc_perror(pnd, "nfc_forum_tag_type3_check");
@ -337,7 +338,8 @@ main(int argc, char *argv[])
}
data_len += size;
}
if (fwrite(data, 1, data_len, ndef_stream) != data_len) {
if (fwrite(data, 1, ndef_data_len, ndef_stream) != ndef_data_len) {
fprintf(stderr, "Could not write to file.\n");
fclose(ndef_stream);
nfc_close(pnd);