diff options
Diffstat (limited to 'ufs/tables.c')
| -rw-r--r-- | ufs/tables.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/ufs/tables.c b/ufs/tables.c deleted file mode 100644 index d345b9e4..00000000 --- a/ufs/tables.c +++ /dev/null @@ -1,138 +0,0 @@ -/* Modified from BSD for GNU Hurd ufs server by Michael I. Bushnell. */ -/* - * Copyright (c) 1982, 1986, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)ffs_tables.c 8.1 (Berkeley) 6/11/93 - */ - -#include <sys/types.h> -#include "fs.h" - -/* - * Bit patterns for identifying fragments in the block map - * used as ((map & around) == inside) - */ -int around[9] = { - 0x3, 0x7, 0xf, 0x1f, 0x3f, 0x7f, 0xff, 0x1ff, 0x3ff -}; -int inside[9] = { - 0x0, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe -}; - -/* - * Given a block map bit pattern, the frag tables tell whether a - * particular size fragment is available. - * - * used as: - * if ((1 << (size - 1)) & fragtbl[fs->fs_frag][map] { - * at least one fragment of the indicated size is available - * } - * - * These tables are used by the scanc instruction on the VAX to - * quickly find an appropriate fragment. - */ -u_char fragtbl124[256] = { - 0x00, 0x16, 0x16, 0x2a, 0x16, 0x16, 0x26, 0x4e, - 0x16, 0x16, 0x16, 0x3e, 0x2a, 0x3e, 0x4e, 0x8a, - 0x16, 0x16, 0x16, 0x3e, 0x16, 0x16, 0x36, 0x5e, - 0x16, 0x16, 0x16, 0x3e, 0x3e, 0x3e, 0x5e, 0x9e, - 0x16, 0x16, 0x16, 0x3e, 0x16, 0x16, 0x36, 0x5e, - 0x16, 0x16, 0x16, 0x3e, 0x3e, 0x3e, 0x5e, 0x9e, - 0x2a, 0x3e, 0x3e, 0x2a, 0x3e, 0x3e, 0x2e, 0x6e, - 0x3e, 0x3e, 0x3e, 0x3e, 0x2a, 0x3e, 0x6e, 0xaa, - 0x16, 0x16, 0x16, 0x3e, 0x16, 0x16, 0x36, 0x5e, - 0x16, 0x16, 0x16, 0x3e, 0x3e, 0x3e, 0x5e, 0x9e, - 0x16, 0x16, 0x16, 0x3e, 0x16, 0x16, 0x36, 0x5e, - 0x16, 0x16, 0x16, 0x3e, 0x3e, 0x3e, 0x5e, 0x9e, - 0x26, 0x36, 0x36, 0x2e, 0x36, 0x36, 0x26, 0x6e, - 0x36, 0x36, 0x36, 0x3e, 0x2e, 0x3e, 0x6e, 0xae, - 0x4e, 0x5e, 0x5e, 0x6e, 0x5e, 0x5e, 0x6e, 0x4e, - 0x5e, 0x5e, 0x5e, 0x7e, 0x6e, 0x7e, 0x4e, 0xce, - 0x16, 0x16, 0x16, 0x3e, 0x16, 0x16, 0x36, 0x5e, - 0x16, 0x16, 0x16, 0x3e, 0x3e, 0x3e, 0x5e, 0x9e, - 0x16, 0x16, 0x16, 0x3e, 0x16, 0x16, 0x36, 0x5e, - 0x16, 0x16, 0x16, 0x3e, 0x3e, 0x3e, 0x5e, 0x9e, - 0x16, 0x16, 0x16, 0x3e, 0x16, 0x16, 0x36, 0x5e, - 0x16, 0x16, 0x16, 0x3e, 0x3e, 0x3e, 0x5e, 0x9e, - 0x3e, 0x3e, 0x3e, 0x3e, 0x3e, 0x3e, 0x3e, 0x7e, - 0x3e, 0x3e, 0x3e, 0x3e, 0x3e, 0x3e, 0x7e, 0xbe, - 0x2a, 0x3e, 0x3e, 0x2a, 0x3e, 0x3e, 0x2e, 0x6e, - 0x3e, 0x3e, 0x3e, 0x3e, 0x2a, 0x3e, 0x6e, 0xaa, - 0x3e, 0x3e, 0x3e, 0x3e, 0x3e, 0x3e, 0x3e, 0x7e, - 0x3e, 0x3e, 0x3e, 0x3e, 0x3e, 0x3e, 0x7e, 0xbe, - 0x4e, 0x5e, 0x5e, 0x6e, 0x5e, 0x5e, 0x6e, 0x4e, - 0x5e, 0x5e, 0x5e, 0x7e, 0x6e, 0x7e, 0x4e, 0xce, - 0x8a, 0x9e, 0x9e, 0xaa, 0x9e, 0x9e, 0xae, 0xce, - 0x9e, 0x9e, 0x9e, 0xbe, 0xaa, 0xbe, 0xce, 0x8a, -}; - -u_char fragtbl8[256] = { - 0x00, 0x01, 0x01, 0x02, 0x01, 0x01, 0x02, 0x04, - 0x01, 0x01, 0x01, 0x03, 0x02, 0x03, 0x04, 0x08, - 0x01, 0x01, 0x01, 0x03, 0x01, 0x01, 0x03, 0x05, - 0x02, 0x03, 0x03, 0x02, 0x04, 0x05, 0x08, 0x10, - 0x01, 0x01, 0x01, 0x03, 0x01, 0x01, 0x03, 0x05, - 0x01, 0x01, 0x01, 0x03, 0x03, 0x03, 0x05, 0x09, - 0x02, 0x03, 0x03, 0x02, 0x03, 0x03, 0x02, 0x06, - 0x04, 0x05, 0x05, 0x06, 0x08, 0x09, 0x10, 0x20, - 0x01, 0x01, 0x01, 0x03, 0x01, 0x01, 0x03, 0x05, - 0x01, 0x01, 0x01, 0x03, 0x03, 0x03, 0x05, 0x09, - 0x01, 0x01, 0x01, 0x03, 0x01, 0x01, 0x03, 0x05, - 0x03, 0x03, 0x03, 0x03, 0x05, 0x05, 0x09, 0x11, - 0x02, 0x03, 0x03, 0x02, 0x03, 0x03, 0x02, 0x06, - 0x03, 0x03, 0x03, 0x03, 0x02, 0x03, 0x06, 0x0a, - 0x04, 0x05, 0x05, 0x06, 0x05, 0x05, 0x06, 0x04, - 0x08, 0x09, 0x09, 0x0a, 0x10, 0x11, 0x20, 0x40, - 0x01, 0x01, 0x01, 0x03, 0x01, 0x01, 0x03, 0x05, - 0x01, 0x01, 0x01, 0x03, 0x03, 0x03, 0x05, 0x09, - 0x01, 0x01, 0x01, 0x03, 0x01, 0x01, 0x03, 0x05, - 0x03, 0x03, 0x03, 0x03, 0x05, 0x05, 0x09, 0x11, - 0x01, 0x01, 0x01, 0x03, 0x01, 0x01, 0x03, 0x05, - 0x01, 0x01, 0x01, 0x03, 0x03, 0x03, 0x05, 0x09, - 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x07, - 0x05, 0x05, 0x05, 0x07, 0x09, 0x09, 0x11, 0x21, - 0x02, 0x03, 0x03, 0x02, 0x03, 0x03, 0x02, 0x06, - 0x03, 0x03, 0x03, 0x03, 0x02, 0x03, 0x06, 0x0a, - 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x07, - 0x02, 0x03, 0x03, 0x02, 0x06, 0x07, 0x0a, 0x12, - 0x04, 0x05, 0x05, 0x06, 0x05, 0x05, 0x06, 0x04, - 0x05, 0x05, 0x05, 0x07, 0x06, 0x07, 0x04, 0x0c, - 0x08, 0x09, 0x09, 0x0a, 0x09, 0x09, 0x0a, 0x0c, - 0x10, 0x11, 0x11, 0x12, 0x20, 0x21, 0x40, 0x80, -}; - -/* - * The actual fragtbl array. - */ -u_char *fragtbl[MAXFRAG + 1] = { - 0, fragtbl124, fragtbl124, 0, fragtbl124, 0, 0, 0, fragtbl8, -}; |