static int RSblock_init(RSblock *blocks, int spec[5], unsigned char *data, unsigned char *ecc)
{
int i;
RSblock *block;
unsigned char *dp, *ep;
RS *rs;
int el, dl;
dl = QRspec_rsDataCodes1(spec);
el = QRspec_rsEccCodes1(spec);
rs = init_rs(8, 0x11d, 0, 1, el, 255 - dl - el);
if(rs == NULL) return -1;
block = blocks;
dp = data;
ep = ecc;
for(i=0; i<QRspec_rsBlockNum1(spec); i++) {
RSblock_initBlock(block, dl, dp, el, ep, rs);
dp += dl;
ep += el;
block++;
}
if(QRspec_rsBlockNum2(spec) == 0) return 0;
dl = QRspec_rsDataCodes2(spec);
el = QRspec_rsEccCodes2(spec);
rs = init_rs(8, 0x11d, 0, 1, el, 255 - dl - el);
if(rs == NULL) return -1;
for(i=0; i<QRspec_rsBlockNum2(spec); i++) {
RSblock_initBlock(block, dl, dp, el, ep, rs);
dp += dl;
ep += el;
block++;
}
return 0;
}
__STATIC MQRRawCode *MQRraw_new(QRinput *input)
{
MQRRawCode *raw;
RS *rs;
raw = (MQRRawCode *)malloc(sizeof(MQRRawCode));
if(raw == NULL) return NULL;
raw->version = input->version;
raw->dataLength = MQRspec_getDataLength(input->version, input->level);
raw->eccLength = MQRspec_getECCLength(input->version, input->level);
raw->oddbits = raw->dataLength * 8 - MQRspec_getDataLengthBit(input->version, input->level);
raw->datacode = QRinput_getByteStream(input);
if(raw->datacode == NULL) {
free(raw);
return NULL;
}
raw->ecccode = (unsigned char *)malloc(raw->eccLength);
if(raw->ecccode == NULL) {
free(raw->datacode);
free(raw);
return NULL;
}
raw->rsblock = (RSblock *)calloc(1, sizeof(RSblock));
if(raw->rsblock == NULL) {
MQRraw_free(raw);
return NULL;
}
rs = init_rs(8, 0x11d, 0, 1, raw->eccLength, 255 - raw->dataLength - raw->eccLength);
if(rs == NULL) {
MQRraw_free(raw);
return NULL;
}
RSblock_initBlock(raw->rsblock, raw->dataLength, raw->datacode, raw->eccLength, raw->ecccode, rs);
raw->count = 0;
return raw;
}