Lines Matching defs:readcn
451 u_long readcn;
499 readcn = getulong(bp->b_data + bo);
501 readcn = getushort(bp->b_data + bo);
503 readcn >>= 4;
504 readcn &= pmp->pm_fatmask;
506 if ((readcn | ~pmp->pm_fatmask) >= CLUST_RSRVD)
507 readcn |= ~pmp->pm_fatmask;
508 *oldcontents = readcn;
513 readcn = getushort(bp->b_data + bo);
515 readcn &= 0x000f;
516 readcn |= newcontents << 4;
518 readcn &= 0xf000;
519 readcn |= newcontents & 0xfff;
521 putushort(bp->b_data + bo, readcn);
531 readcn = getulong(bp->b_data + bo);
532 readcn &= ~FAT32_MASK;
533 readcn |= newcontents & FAT32_MASK;
534 putulong(bp->b_data + bo, readcn);
558 u_long bn, bo, bsize, byteoffset, readcn, newc;
584 readcn = getushort(bp->b_data + bo);
586 readcn &= 0xf000;
587 readcn |= newc & 0xfff;
589 readcn &= 0x000f;
590 readcn |= newc << 4;
592 putushort(bp->b_data + bo, readcn);
602 readcn = getulong(bp->b_data + bo);
603 readcn &= ~pmp->pm_fatmask;
604 readcn |= newc & pmp->pm_fatmask;
605 putulong(bp->b_data + bo, readcn);
812 u_long readcn, lbn = -1;
831 readcn = getushort(bp->b_data + bo);
833 cluster = readcn >> 4;
834 readcn &= 0x000f;
835 readcn |= MSDOSFSFREE << 4;
837 cluster = readcn;
838 readcn &= 0xf000;
839 readcn |= MSDOSFSFREE & 0xfff;
841 putushort(bp->b_data + bo, readcn);
870 u_long bn, bo, bsize, byteoffset, cn, readcn;
902 readcn = getulong(bp->b_data + bo);
904 readcn = getushort(bp->b_data + bo);
906 readcn >>= 4;
907 readcn &= pmp->pm_fatmask;
913 if (cn == 0 && readcn != ((pmp->pm_fatmask & 0xffffff00) |
921 } else if (readcn == CLUST_FREE)