161 static int read_block_header(struct bunzip_data *bd, struct bwdata *bw)  in read_block_header()  argument
170   bw->headerCRC = get_bits(bd,32);  in read_block_header()
180   if ((bw->origPtr = get_bits(bd,24)) > bd->dbufSize) return RETVAL_DATA_ERROR;  in read_block_header()
319 static int read_huffman_data(struct bunzip_data *bd, struct bwdata *bw)  in read_huffman_data()  argument
324   unsigned hh, *dbuf = bw->dbuf;  in read_huffman_data()
332   byteCount = bw->byteCount;  in read_huffman_data()
437   if (bw->origPtr >= (bw->writeCount = dbufCount)) return RETVAL_DATA_ERROR;  in read_huffman_data()
452 static void burrows_wheeler_prep(struct bunzip_data *bd, struct bwdata *bw)  in burrows_wheeler_prep()  argument
455   unsigned int *dbuf = bw->dbuf;  in burrows_wheeler_prep()
456   int *byteCount = bw->byteCount;  in burrows_wheeler_prep()
468   for (ii=0; ii < bw->writeCount; ii++) {  in burrows_wheeler_prep()
478   bw->dataCRC = 0xffffffffL;  in burrows_wheeler_prep()
484   if (bw->writeCount) {  in burrows_wheeler_prep()
485     bw->writePos = dbuf[bw->origPtr];  in burrows_wheeler_prep()
486     bw->writeCurrent = (unsigned char)bw->writePos;  in burrows_wheeler_prep()
487     bw->writePos >>= 8;  in burrows_wheeler_prep()
488     bw->writeRun = -1;  in burrows_wheeler_prep()
512 static int write_bunzip_data(struct bunzip_data *bd, struct bwdata *bw,  in write_bunzip_data()  argument
515   unsigned int *dbuf = bw->dbuf;  in write_bunzip_data()
520     if (bw->writeCount < 0) return bw->writeCount;  in write_bunzip_data()
523     if (!bw->writeCount) {  in write_bunzip_data()
527           bw->writeCount = i;  in write_bunzip_data()
534     count = bw->writeCount;  in write_bunzip_data()
535     pos = bw->writePos;  in write_bunzip_data()
536     current = bw->writeCurrent;  in write_bunzip_data()
537     run = bw->writeRun;  in write_bunzip_data()
566         bw->dataCRC = (bw->dataCRC << 8)  in write_bunzip_data()
567                 ^ bd->crc32Table[(bw->dataCRC >> 24) ^ outbyte];  in write_bunzip_data()
573     bw->dataCRC = ~(bw->dataCRC);  in write_bunzip_data()
574     bd->totalCRC = ((bd->totalCRC << 1) | (bd->totalCRC >> 31)) ^ bw->dataCRC;  in write_bunzip_data()
577     if (bw->dataCRC != bw->headerCRC) {  in write_bunzip_data()
578       bd->totalCRC = bw->headerCRC+1;  in write_bunzip_data()
583     bw->writeCount = count;  in write_bunzip_data()
592         bw->writePos = pos;  in write_bunzip_data()
593         bw->writeCurrent = current;  in write_bunzip_data()
594         bw->writeRun = run;  in write_bunzip_data()