Ejemplo n.º 1
0
/*
 * NAME:	vol->readvbm()
 * DESCRIPTION:	read volume bitmap into memory
 */
int v_readvbm(hfsvol *vol)
{
    int vbmst = vol->mdb.drVBMSt;
    int vbmsz = (vol->mdb.drNmAlBlks + 4095) / 4096;
    block *bp;

# ifdef DEBUG
    if (vol->vbm)
        abort();
# endif

    if (vol->mdb.drAlBlSt - vbmst < vbmsz)
        ERROR(EIO, "volume bitmap collides with volume data");

    vol->vbm = ALLOC(block, vbmsz);
    if (vol->vbm == 0)
        ERROR(ENOMEM, 0);

    for (bp = vol->vbm; vbmsz--; ++bp)
    {
        if (b_readlb(vol, vbmst++, bp) == -1)
            goto fail;
    }

    return 0;

fail:
    FREE(vol->vbm);
    vol->vbm = 0;

    return -1;
}
Ejemplo n.º 2
0
/*
 * NAME:	low->readvbm()
 * DESCRIPTION:	read the volume bit map into memory
 */
int l_readvbm(hfsvol *vol)
{
  int vbmst = vol->mdb.drVBMSt;
  int vbmsz = (vol->mdb.drNmAlBlks + 4095) / 4096;
  block *bp;

  if (vol->mdb.drAlBlSt - vbmst < vbmsz)
    {
      ERROR(EIO, "volume bitmap collides with volume data");
      return -1;
    }

  bp = ALLOC(block, vbmsz);
  if (bp == 0)
    {
      ERROR(ENOMEM, 0);
      return -1;
    }

  vol->vbm = bp;

  while (vbmsz--)
    {
      if (b_readlb(vol, vbmst++, bp++) < 0)
	{
	  FREE(vol->vbm);
	  vol->vbm = 0;

	  return -1;
	}
    }

  return 0;
}
Ejemplo n.º 3
0
/*
 * NAME:	low->getbb()
 * DESCRIPTION:	read a volume's boot blocks
 */
int l_getbb(hfsvol *vol, BootBlkHdr *bb, byte *bootcode)
{
  block b;
  const byte *ptr = b;

  if (b_readlb(vol, 0, &b) == -1)
    goto fail;

  d_fetchsw(&ptr, &bb->bbID);
  d_fetchsl(&ptr, &bb->bbEntry);
  d_fetchsw(&ptr, &bb->bbVersion);
  d_fetchsw(&ptr, &bb->bbPageFlags);

  d_fetchstr(&ptr, bb->bbSysName,    sizeof(bb->bbSysName));
  d_fetchstr(&ptr, bb->bbShellName,  sizeof(bb->bbShellName));
  d_fetchstr(&ptr, bb->bbDbg1Name,   sizeof(bb->bbDbg1Name));
  d_fetchstr(&ptr, bb->bbDbg2Name,   sizeof(bb->bbDbg2Name));
  d_fetchstr(&ptr, bb->bbScreenName, sizeof(bb->bbScreenName));
  d_fetchstr(&ptr, bb->bbHelloName,  sizeof(bb->bbHelloName));
  d_fetchstr(&ptr, bb->bbScrapName,  sizeof(bb->bbScrapName));

  d_fetchsw(&ptr, &bb->bbCntFCBs);
  d_fetchsw(&ptr, &bb->bbCntEvts);
  d_fetchsl(&ptr, &bb->bb128KSHeap);
  d_fetchsl(&ptr, &bb->bb256KSHeap);
  d_fetchsl(&ptr, &bb->bbSysHeapSize);
  d_fetchsw(&ptr, &bb->filler);
  d_fetchsl(&ptr, &bb->bbSysHeapExtra);
  d_fetchsl(&ptr, &bb->bbSysHeapFract);

  ASSERT(ptr - b == 148);

  if (bootcode)
    {
      memcpy(bootcode, ptr, HFS_BOOTCODE1LEN);

      if (b_readlb(vol, 1, &b) == -1)
	goto fail;

      memcpy(bootcode + HFS_BOOTCODE1LEN, b, HFS_BOOTCODE2LEN);
    }

  return 0;

fail:
  return -1;
}
Ejemplo n.º 4
0
/*
 * NAME:	low->readblock0()
 * DESCRIPTION:	read the first sector and get bearings
 */
int l_readblock0(hfsvol *vol)
{
  block b;
  unsigned char *ptr = b;
  Block0 rec;

  if (b_readlb(vol, 0, &b) < 0)
    return -1;

  d_fetchw(&ptr, &rec.sbSig);
  d_fetchw(&ptr, &rec.sbBlkSize);
  d_fetchl(&ptr, &rec.sbBlkCount);
  d_fetchw(&ptr, &rec.sbDevType);
  d_fetchw(&ptr, &rec.sbDevId);
  d_fetchl(&ptr, &rec.sbData);
  d_fetchw(&ptr, &rec.sbDrvrCount);
  d_fetchl(&ptr, &rec.ddBlock);
  d_fetchw(&ptr, &rec.ddSize);
  d_fetchw(&ptr, &rec.ddType);

  switch (rec.sbSig)
    {
    case 0x4552:  /* block device with a partition table */
      {
	if (rec.sbBlkSize != HFS_BLOCKSZ)
	  {
	    ERROR(EINVAL, "unsupported block size");
	    return -1;
	  }

	vol->vlen = rec.sbBlkCount;

	if (l_readpm(vol) < 0)
	  return -1;
      }
      break;

    case 0x4c4b:  /* bootable floppy */
      vol->pnum = 0;
      break;

    default:  /* non-bootable floppy or something else */

      /* some miscreant media may also be partitioned;
	 we attempt to read a partition map, but ignore any failure */

      if (l_readpm(vol) < 0)
	vol->pnum = 0;
    }

  return 0;
}
Ejemplo n.º 5
0
/*
 * NAME:	low->readmdb()
 * DESCRIPTION:	read the master directory block into memory
 */
int l_readmdb(hfsvol *vol)
{
  block b;
  unsigned char *ptr = b;
  MDB *mdb = &vol->mdb;
  hfsfile *ext = &vol->ext.f;
  hfsfile *cat = &vol->cat.f;
  int i;

  if (b_readlb(vol, 2, &b) < 0)
    return -1;

  d_fetchw(&ptr, &mdb->drSigWord);
  d_fetchl(&ptr, &mdb->drCrDate);
  d_fetchl(&ptr, &mdb->drLsMod);
  d_fetchw(&ptr, &mdb->drAtrb);
  d_fetchw(&ptr, (short *) &mdb->drNmFls);
  d_fetchw(&ptr, (short *) &mdb->drVBMSt);
  d_fetchw(&ptr, (short *) &mdb->drAllocPtr);
  d_fetchw(&ptr, (short *) &mdb->drNmAlBlks);
  d_fetchl(&ptr, (long *) &mdb->drAlBlkSiz);
  d_fetchl(&ptr, (long *) &mdb->drClpSiz);
  d_fetchw(&ptr, (short *) &mdb->drAlBlSt);
  d_fetchl(&ptr, &mdb->drNxtCNID);
  d_fetchw(&ptr, (short *) &mdb->drFreeBks);

  d_fetchs(&ptr, mdb->drVN, sizeof(mdb->drVN));

  if (ptr - b != 64)
    abort();

  d_fetchl(&ptr, &mdb->drVolBkUp);
  d_fetchw(&ptr, &mdb->drVSeqNum);
  d_fetchl(&ptr, (long *) &mdb->drWrCnt);
  d_fetchl(&ptr, (long *) &mdb->drXTClpSiz);
  d_fetchl(&ptr, (long *) &mdb->drCTClpSiz);
  d_fetchw(&ptr, (short *) &mdb->drNmRtDirs);
  d_fetchl(&ptr, (long *) &mdb->drFilCnt);
  d_fetchl(&ptr, (long *) &mdb->drDirCnt);

  for (i = 0; i < 8; ++i)
    d_fetchl(&ptr, &mdb->drFndrInfo[i]);

  if (ptr - b != 124)
    abort();

  d_fetchw(&ptr, (short *) &mdb->drVCSize);
  d_fetchw(&ptr, (short *) &mdb->drVBMCSize);
  d_fetchw(&ptr, (short *) &mdb->drCtlCSize);

  d_fetchl(&ptr, (long *) &mdb->drXTFlSize);

  for (i = 0; i < 3; ++i)
    {
      d_fetchw(&ptr, (short *) &mdb->drXTExtRec[i].xdrStABN);
      d_fetchw(&ptr, (short *) &mdb->drXTExtRec[i].xdrNumABlks);
    }

  if (ptr - b != 146)
    abort();

  d_fetchl(&ptr, (long *) &mdb->drCTFlSize);

  for (i = 0; i < 3; ++i)
    {
      d_fetchw(&ptr, (short *) &mdb->drCTExtRec[i].xdrStABN);
      d_fetchw(&ptr, (short *) &mdb->drCTExtRec[i].xdrNumABlks);
    }

  if (ptr - b != 162)
    abort();

  vol->lpa = mdb->drAlBlkSiz / HFS_BLOCKSZ;

  /* extents pseudo-file structs */

  ext->vol   = vol;
  ext->parid = 0;
  strcpy(ext->name, "extents overflow");

  ext->cat.cdrType          = cdrFilRec;
  /* ext->cat.cdrResrv2 */
  ext->cat.u.fil.filFlags   = 0;
  ext->cat.u.fil.filTyp     = 0;
  /* ext->cat.u.fil.filUsrWds */
  ext->cat.u.fil.filFlNum   = HFS_CNID_EXT;
  ext->cat.u.fil.filStBlk   = mdb->drXTExtRec[0].xdrStABN;
  ext->cat.u.fil.filLgLen   = mdb->drXTFlSize;
  ext->cat.u.fil.filPyLen   = mdb->drXTFlSize;
  ext->cat.u.fil.filRStBlk  = 0;
  ext->cat.u.fil.filRLgLen  = 0;
  ext->cat.u.fil.filRPyLen  = 0;
  ext->cat.u.fil.filCrDat   = mdb->drCrDate;
  ext->cat.u.fil.filMdDat   = mdb->drLsMod;
  ext->cat.u.fil.filBkDat   = 0;
  /* ext->cat.u.fil.filFndrInfo */
  ext->cat.u.fil.filClpSize = 0;

  memcpy(ext->cat.u.fil.filExtRec, mdb->drXTExtRec, sizeof(ExtDataRec));
  for (i = 0; i < 3; ++i)
    {
      ext->cat.u.fil.filRExtRec[i].xdrStABN    = 0;
      ext->cat.u.fil.filRExtRec[i].xdrNumABlks = 0;
    }
  f_selectfork(ext, 0);

  ext->clump = mdb->drXTClpSiz;
  ext->flags = 0;

  ext->prev = ext->next = 0;

  /* catalog pseudo-file structs */

  cat->vol   = vol;
  cat->parid = 0;
  strcpy(cat->name, "catalog");

  cat->cat.cdrType          = cdrFilRec;
  /* cat->cat.cdrResrv2 */
  cat->cat.u.fil.filFlags   = 0;
  cat->cat.u.fil.filTyp     = 0;
  /* cat->cat.u.fil.filUsrWds */
  cat->cat.u.fil.filFlNum   = HFS_CNID_CAT;
  cat->cat.u.fil.filStBlk   = mdb->drCTExtRec[0].xdrStABN;
  cat->cat.u.fil.filLgLen   = mdb->drCTFlSize;
  cat->cat.u.fil.filPyLen   = mdb->drCTFlSize;
  cat->cat.u.fil.filRStBlk  = 0;
  cat->cat.u.fil.filRLgLen  = 0;
  cat->cat.u.fil.filRPyLen  = 0;
  cat->cat.u.fil.filCrDat   = mdb->drCrDate;
  cat->cat.u.fil.filMdDat   = mdb->drLsMod;
  cat->cat.u.fil.filBkDat   = 0;
  /* cat->cat.u.fil.filFndrInfo */
  cat->cat.u.fil.filClpSize = 0;

  memcpy(cat->cat.u.fil.filExtRec, mdb->drCTExtRec, sizeof(ExtDataRec));
  for (i = 0; i < 3; ++i)
    {
      cat->cat.u.fil.filRExtRec[i].xdrStABN    = 0;
      cat->cat.u.fil.filRExtRec[i].xdrNumABlks = 0;
    }
  f_selectfork(cat, 0);

  cat->clump = mdb->drCTClpSiz;
  cat->flags = 0;

  cat->prev = cat->next = 0;

  return 0;
}
Ejemplo n.º 6
0
/*
 * NAME:	low->readpm()
 * DESCRIPTION:	read the partition map and locate an HFS volume
 */
int l_readpm(hfsvol *vol)
{
  block b;
  unsigned char *ptr;
  Partition map;
  unsigned long bnum;
  int pnum;

  bnum = 1;
  pnum = vol->pnum;

  while (1)
    {
      if (b_readlb(vol, bnum, &b) < 0)
	return -1;

      ptr = b;

      d_fetchw(&ptr, &map.pmSig);
      d_fetchw(&ptr, &map.pmSigPad);
      d_fetchl(&ptr, &map.pmMapBlkCnt);
      d_fetchl(&ptr, &map.pmPyPartStart);
      d_fetchl(&ptr, &map.pmPartBlkCnt);

      memcpy(map.pmPartName, ptr, 32);
      map.pmPartName[32] = 0;
      ptr += 32;

      memcpy(map.pmParType, ptr, 32);
      map.pmParType[32] = 0;
      ptr += 32;

      d_fetchl(&ptr, &map.pmLgDataStart);
      d_fetchl(&ptr, &map.pmDataCnt);
      d_fetchl(&ptr, &map.pmPartStatus);
      d_fetchl(&ptr, &map.pmLgBootStart);
      d_fetchl(&ptr, &map.pmBootSize);
      d_fetchl(&ptr, &map.pmBootAddr);
      d_fetchl(&ptr, &map.pmBootAddr2);
      d_fetchl(&ptr, &map.pmBootEntry);
      d_fetchl(&ptr, &map.pmBootEntry2);
      d_fetchl(&ptr, &map.pmBootCksum);

      memcpy(map.pmProcessor, ptr, 16);
      map.pmProcessor[16] = 0;
      ptr += 16;

      if (map.pmSig == 0x5453)
	{
	  /* old partition map sig */

	  ERROR(EINVAL, "unsupported partition map signature");
	  return -1;
	}

      if (map.pmSig != 0x504d)
	{
	  ERROR(EINVAL, "bad partition map");
	  return -1;
	}

      if (strcmp((char *) map.pmParType, "Apple_HFS") == 0 && --pnum == 0)
	{
	  if (map.pmLgDataStart != 0)
	    {
	      ERROR(EINVAL, "unsupported start of partition logical data");
	      return -1;
	    }

	  vol->vstart = map.pmPyPartStart;
	  vol->vlen   = map.pmPartBlkCnt;

	  return 0;
	}

      if (bnum >= map.pmMapBlkCnt)
	{
	  ERROR(EINVAL, "can't find HFS partition");
	  return -1;
	}

      ++bnum;
    }
}
Ejemplo n.º 7
0
/*
 * NAME:	low->getmdb()
 * DESCRIPTION:	read a master directory block
 */
int l_getmdb(hfsvol *vol, MDB *mdb, int backup)
{
  block b;
  const byte *ptr = b;
  int i;

  if (b_readlb(vol, backup ? vol->vlen - 2 : 2, &b) == -1)
    goto fail;

  d_fetchsw(&ptr, &mdb->drSigWord);
  d_fetchsl(&ptr, &mdb->drCrDate);
  d_fetchsl(&ptr, &mdb->drLsMod);
  d_fetchsw(&ptr, &mdb->drAtrb);
  d_fetchuw(&ptr, &mdb->drNmFls);
  d_fetchuw(&ptr, &mdb->drVBMSt);
  d_fetchuw(&ptr, &mdb->drAllocPtr);
  d_fetchuw(&ptr, &mdb->drNmAlBlks);
  d_fetchul(&ptr, &mdb->drAlBlkSiz);
  d_fetchul(&ptr, &mdb->drClpSiz);
  d_fetchuw(&ptr, &mdb->drAlBlSt);
  d_fetchsl(&ptr, &mdb->drNxtCNID);
  d_fetchuw(&ptr, &mdb->drFreeBks);

  d_fetchstr(&ptr, mdb->drVN, sizeof(mdb->drVN));

  ASSERT(ptr - b == 64);

  d_fetchsl(&ptr, &mdb->drVolBkUp);
  d_fetchsw(&ptr, &mdb->drVSeqNum);
  d_fetchul(&ptr, &mdb->drWrCnt);
  d_fetchul(&ptr, &mdb->drXTClpSiz);
  d_fetchul(&ptr, &mdb->drCTClpSiz);
  d_fetchuw(&ptr, &mdb->drNmRtDirs);
  d_fetchul(&ptr, &mdb->drFilCnt);
  d_fetchul(&ptr, &mdb->drDirCnt);

  for (i = 0; i < 8; ++i)
    d_fetchsl(&ptr, &mdb->drFndrInfo[i]);

  ASSERT(ptr - b == 124);

  d_fetchuw(&ptr, &mdb->drEmbedSigWord);
  d_fetchuw(&ptr, &mdb->drEmbedExtent.xdrStABN);
  d_fetchuw(&ptr, &mdb->drEmbedExtent.xdrNumABlks);

  d_fetchul(&ptr, &mdb->drXTFlSize);

  for (i = 0; i < 3; ++i)
    {
      d_fetchuw(&ptr, &mdb->drXTExtRec[i].xdrStABN);
      d_fetchuw(&ptr, &mdb->drXTExtRec[i].xdrNumABlks);
    }

  ASSERT(ptr - b == 146);

  d_fetchul(&ptr, &mdb->drCTFlSize);

  for (i = 0; i < 3; ++i)
    {
      d_fetchuw(&ptr, &mdb->drCTExtRec[i].xdrStABN);
      d_fetchuw(&ptr, &mdb->drCTExtRec[i].xdrNumABlks);
    }

  ASSERT(ptr - b == 162);

  return 0;

fail:
  return -1;
}
Ejemplo n.º 8
0
/*
 * NAME:	hfs->format()
 * DESCRIPTION:	write a new filesystem
 */
int hfs_format(char *path, int pnum, char *vname)
{
  hfsvol vol;
  btree *ext = &vol.ext;
  btree *cat = &vol.cat;
  unsigned int vbmsz;
  int i, result = 0;
  block vbm[16];
  char *map;

  if (mystrchr(vname, ':'))
    {
      ERROR(EINVAL, "volume name may not contain colons");
      return -1;
    }

  i = strlen(vname);
  if (i < 1 || i > HFS_MAX_VLEN)
    {
      ERROR(EINVAL, "volume name must be 1-27 chars");
      return -1;
    }

  vol.flags  = 0;
  vol.pnum   = pnum;
  vol.vstart = 0;
  vol.vlen   = 0;
  vol.lpa    = 0;
  vol.vbm    = vbm;
  vol.cwd    = HFS_CNID_ROOTDIR;

  vol.refs   = 0;
  vol.files  = 0;
  vol.dirs   = 0;
  vol.prev   = 0;
  vol.next   = 0;

#if 0
  vol.fd = open(path, O_RDWR);

  if (vol.fd < 0)
    {
      ERROR(errno, "error opening device for writing");
      return -1;
    }
#endif

  if (l_lockvol(&vol) < 0)
    {
#if 0
      close(vol.fd);
#endif
      return -1;
    }

  if (pnum > 0)
    {
      if (l_readpm(&vol) < 0)
	{
#if 0
	  close(vol.fd);
#endif
	  return -1;
	}
    }
  else  /* determine size of entire device */
    {
      unsigned long low, high, mid;
      block b;

      for (low = 0, high = 2879; b_readlb(&vol, high, &b) >= 0; high *= 2)
	low = high;

      while (low < high - 1)
	{
	  mid = (low + high) / 2;

	  if (b_readlb(&vol, mid, &b) < 0)
	    high = mid;
	  else
	    low = mid;
	}

      vol.vlen = low + 1;
    }

  if (vol.vlen < 800 * 1024 / HFS_BLOCKSZ)
    {
#if 0
      close(vol.fd);
#endif

      ERROR(EINVAL, "volume size must be >= 800K");
      return -1;
    }

  /* initialize volume geometry */

  vol.lpa = 1 + vol.vlen / 65536;

  vbmsz = (vol.vlen / vol.lpa + 4095) / 4096;

  vol.mdb.drSigWord  = 0x4244;
  vol.mdb.drCrDate   = d_tomtime(/*time*/(0));
  vol.mdb.drLsMod    = vol.mdb.drCrDate;
  vol.mdb.drAtrb     = 0;
  vol.mdb.drNmFls    = 0;
  vol.mdb.drVBMSt    = 3;
  vol.mdb.drAllocPtr = 0;
  vol.mdb.drNmAlBlks = (vol.vlen - 5 - vbmsz) / vol.lpa;
  vol.mdb.drAlBlkSiz = vol.lpa * HFS_BLOCKSZ;
  vol.mdb.drClpSiz   = vol.mdb.drAlBlkSiz * 4;
  vol.mdb.drAlBlSt   = 3 + vbmsz;
  vol.mdb.drNxtCNID  = HFS_CNID_ROOTDIR;  /* modified later */
  vol.mdb.drFreeBks  = vol.mdb.drNmAlBlks;

  strcpy(vol.mdb.drVN, vname);

  vol.mdb.drVolBkUp  = 0;
  vol.mdb.drVSeqNum  = 0;
  vol.mdb.drWrCnt    = 0;
  vol.mdb.drXTClpSiz = vol.mdb.drNmAlBlks / 128 * vol.mdb.drAlBlkSiz;
  vol.mdb.drCTClpSiz = vol.mdb.drXTClpSiz;
  vol.mdb.drNmRtDirs = 0;
  vol.mdb.drFilCnt   = 0;
  vol.mdb.drDirCnt   = -1;  /* incremented when root folder is created */

  for (i = 0; i < 8; ++i)
    vol.mdb.drFndrInfo[i] = 0;

  vol.mdb.drVCSize   = 0;
  vol.mdb.drVBMCSize = 0;
  vol.mdb.drCtlCSize = 0;

  vol.mdb.drXTFlSize = 0;
  vol.mdb.drCTFlSize = 0;

  for (i = 0; i < 3; ++i)
    {
      vol.mdb.drXTExtRec[i].xdrStABN    = 0;
      vol.mdb.drXTExtRec[i].xdrNumABlks = 0;

      vol.mdb.drCTExtRec[i].xdrStABN    = 0;
      vol.mdb.drCTExtRec[i].xdrNumABlks = 0;
    }

  /* initialize volume bitmap */

  memset(vol.vbm, 0, sizeof(vbm));

  /* create extents overflow file */

  ext->f.vol   = &vol;
  ext->f.parid = 0;
  strcpy(ext->f.name, "extents overflow");

  ext->f.cat.cdrType          = cdrFilRec;
  /* ext->f.cat.cdrResrv2 */
  ext->f.cat.u.fil.filFlags   = 0;
  ext->f.cat.u.fil.filTyp     = 0;
  /* ext->f.cat.u.fil.filUsrWds */
  ext->f.cat.u.fil.filFlNum   = HFS_CNID_EXT;
  ext->f.cat.u.fil.filStBlk   = 0;
  ext->f.cat.u.fil.filLgLen   = 0;
  ext->f.cat.u.fil.filPyLen   = 0;
  ext->f.cat.u.fil.filRStBlk  = 0;
  ext->f.cat.u.fil.filRLgLen  = 0;
  ext->f.cat.u.fil.filRPyLen  = 0;
  ext->f.cat.u.fil.filCrDat   = vol.mdb.drCrDate;
  ext->f.cat.u.fil.filMdDat   = vol.mdb.drLsMod;
  ext->f.cat.u.fil.filBkDat   = 0;
  /* ext->f.cat.u.fil.filFndrInfo */
  ext->f.cat.u.fil.filClpSize = 0;

  for (i = 0; i < 3; ++i)
    {
      ext->f.cat.u.fil.filExtRec[i].xdrStABN     = 0;
      ext->f.cat.u.fil.filExtRec[i].xdrNumABlks  = 0;

      ext->f.cat.u.fil.filRExtRec[i].xdrStABN    = 0;
      ext->f.cat.u.fil.filRExtRec[i].xdrNumABlks = 0;
    }
  /* ext->f.cat.u.fil.filResrv */
  f_selectfork(&ext->f, 0);

  ext->f.clump = vol.mdb.drXTClpSiz;
  ext->f.flags = 0;

  ext->f.prev = ext->f.next = 0;

  n_init(&ext->hdrnd, ext, ndHdrNode, 0);

  ext->hdrnd.nnum       = 0;
  ext->hdrnd.nd.ndNRecs = 3;
  ext->hdrnd.roff[1]    = 0x078;
  ext->hdrnd.roff[2]    = 0x0f8;
  ext->hdrnd.roff[3]    = 0x1f8;

  memset(HFS_NODEREC(ext->hdrnd, 1), 0, 128);

  ext->hdr.bthDepth    = 0;
  ext->hdr.bthRoot     = 0;
  ext->hdr.bthNRecs    = 0;
  ext->hdr.bthFNode    = 0;
  ext->hdr.bthLNode    = 0;
  ext->hdr.bthNodeSize = HFS_BLOCKSZ;
  ext->hdr.bthKeyLen   = 0x07;
  ext->hdr.bthNNodes   = 0;
  ext->hdr.bthFree     = 0;
  for (i = 0; i < 76; ++i)
    ext->hdr.bthResv[i] = 0;

  map = ALLOC(char, HFS_MAP1SZ);
  if (map == 0)
    {
      if (result == 0)
	{
	  ERROR(ENOMEM, 0);
	  result = -1;
	}
    }
  else
    {
      memset(map, 0, HFS_MAP1SZ);
      BMSET(map, 0);
    }

  ext->map     = map;
  ext->mapsz   = HFS_MAP1SZ;
  ext->flags   = HFS_UPDATE_BTHDR;
  ext->compare = r_compareextkeys;

  if (result == 0 && bt_space(ext, 1) < 0)
    result = -1;

  --ext->hdr.bthFree;

  /* create catalog file */

  cat->f.vol   = &vol;
  cat->f.parid = 0;
  strcpy(cat->f.name, "catalog");

  cat->f.cat.cdrType          = cdrFilRec;
  /* cat->f.cat.cdrResrv2 */
  cat->f.cat.u.fil.filFlags   = 0;
  cat->f.cat.u.fil.filTyp     = 0;
  /* cat->f.cat.u.fil.filUsrWds */
  cat->f.cat.u.fil.filFlNum   = HFS_CNID_CAT;
  cat->f.cat.u.fil.filStBlk   = 0;
  cat->f.cat.u.fil.filLgLen   = 0;
  cat->f.cat.u.fil.filPyLen   = 0;
  cat->f.cat.u.fil.filRStBlk  = 0;
  cat->f.cat.u.fil.filRLgLen  = 0;
  cat->f.cat.u.fil.filRPyLen  = 0;
  cat->f.cat.u.fil.filCrDat   = vol.mdb.drCrDate;
  cat->f.cat.u.fil.filMdDat   = vol.mdb.drLsMod;
  cat->f.cat.u.fil.filBkDat   = 0;
  /* cat->f.cat.u.fil.filFndrInfo */
  cat->f.cat.u.fil.filClpSize = 0;

  for (i = 0; i < 3; ++i)
    {
      cat->f.cat.u.fil.filExtRec[i].xdrStABN     = 0;
      cat->f.cat.u.fil.filExtRec[i].xdrNumABlks  = 0;

      cat->f.cat.u.fil.filRExtRec[i].xdrStABN    = 0;
      cat->f.cat.u.fil.filRExtRec[i].xdrNumABlks = 0;
    }
  /* cat->f.cat.u.fil.filResrv */
  f_selectfork(&cat->f, 0);

  cat->f.clump = vol.mdb.drCTClpSiz;
  cat->f.flags = 0;

  cat->f.prev = cat->f.next = 0;

  n_init(&cat->hdrnd, cat, ndHdrNode, 0);

  cat->hdrnd.nnum       = 0;
  cat->hdrnd.nd.ndNRecs = 3;
  cat->hdrnd.roff[1]    = 0x078;
  cat->hdrnd.roff[2]    = 0x0f8;
  cat->hdrnd.roff[3]    = 0x1f8;

  memset(HFS_NODEREC(cat->hdrnd, 1), 0, 128);

  cat->hdr.bthDepth    = 0;
  cat->hdr.bthRoot     = 0;
  cat->hdr.bthNRecs    = 0;
  cat->hdr.bthFNode    = 0;
  cat->hdr.bthLNode    = 0;
  cat->hdr.bthNodeSize = HFS_BLOCKSZ;
  cat->hdr.bthKeyLen   = 0x25;
  cat->hdr.bthNNodes   = 0;
  cat->hdr.bthFree     = 0;
  for (i = 0; i < 76; ++i)
    cat->hdr.bthResv[i] = 0;

  map = ALLOC(char, HFS_MAP1SZ);
  if (map == 0)
    {
      if (result == 0)
	{
	  ERROR(ENOMEM, 0);
	  result = -1;
	}
    }
  else
    {
      memset(map, 0, HFS_MAP1SZ);
      BMSET(map, 0);
    }

  cat->map     = map;
  cat->mapsz   = HFS_MAP1SZ;
  cat->flags   = HFS_UPDATE_BTHDR;
  cat->compare = r_comparecatkeys;

  if (result == 0 && bt_space(cat, 1) < 0)
    result = -1;

  --cat->hdr.bthFree;

  /* create root folder */

  if (result == 0 && v_newfolder(&vol, HFS_CNID_ROOTPAR, vname) < 0)
    result = -1;

  vol.mdb.drNxtCNID = 16;

  /* finish up */

  if (result == 0)
    {
      block b;

      /* write boot blocks */

      memset(&b, 0, sizeof(b));
      b_writelb(&vol, 0, &b);
      b_writelb(&vol, 1, &b);

      /* flush other disk state */

      vol.flags |= HFS_UPDATE_MDB | HFS_UPDATE_ALTMDB | HFS_UPDATE_VBM;

      if (v_flush(&vol, 1) < 0)
	result = -1;
    }

  if (
#if 0
      close(vol.fd) < 0 && 
#endif
      result == 0)
    {
      ERROR(errno, "error closing device");
      result = -1;
    }

  FREE(vol.ext.map);
  FREE(vol.cat.map);

  return result;
}