diff options
Diffstat (limited to 'usr.sbin/makefs/ffs/ffs_bswap.c')
| -rw-r--r-- | usr.sbin/makefs/ffs/ffs_bswap.c | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/usr.sbin/makefs/ffs/ffs_bswap.c b/usr.sbin/makefs/ffs/ffs_bswap.c deleted file mode 100644 index 18ace03..0000000 --- a/usr.sbin/makefs/ffs/ffs_bswap.c +++ /dev/null @@ -1,268 +0,0 @@ -/* $NetBSD: ffs_bswap.c,v 1.28 2004/05/25 14:54:59 hannken Exp $ */ - -/* - * Copyright (c) 1998 Manuel Bouyer. - * - * 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 Manuel Bouyer. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. - * - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#if defined(_KERNEL) -#include <sys/systm.h> -#endif - -#include <ufs/ufs/dinode.h> -#include "ffs/ufs_bswap.h" -#include <ufs/ffs/fs.h> -/* XXX temporary */ -struct ufsmount; -struct bufobj; -struct mount; -struct vnode; -typedef int vfs_vget_t(struct mount *mp, ino_t ino, int flags, - struct vnode **vpp); -#include <ufs/ffs/ffs_extern.h> - -#if !defined(_KERNEL) -#include <stddef.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#define panic(x) printf("%s\n", (x)), abort() -#endif - -#define fs_old_postbloff fs_spare5[0] -#define fs_old_rotbloff fs_spare5[1] -#define fs_old_postbl_start fs_maxbsize -#define fs_old_headswitch fs_id[0] -#define fs_old_trkseek fs_id[1] -#define fs_old_csmask fs_spare1[0] -#define fs_old_csshift fs_spare1[1] - -#define FS_42POSTBLFMT -1 /* 4.2BSD rotational table format */ -#define FS_DYNAMICPOSTBLFMT 1 /* dynamic rotational table format */ - -void ffs_csum_swap(struct csum *o, struct csum *n, int size); -void ffs_csumtotal_swap(struct csum_total *o, struct csum_total *n); - -void -ffs_sb_swap(struct fs *o, struct fs *n) -{ - int i; - u_int32_t *o32, *n32; - - /* - * In order to avoid a lot of lines, as the first N fields (52) - * of the superblock up to fs_fmod are u_int32_t, we just loop - * here to convert them. - */ - o32 = (u_int32_t *)o; - n32 = (u_int32_t *)n; - for (i = 0; i < offsetof(struct fs, fs_fmod) / sizeof(u_int32_t); i++) - n32[i] = bswap32(o32[i]); - - n->fs_swuid = bswap64(o->fs_swuid); - n->fs_cgrotor = bswap32(o->fs_cgrotor); /* Unused */ - n->fs_old_cpc = bswap32(o->fs_old_cpc); - - /* These fields overlap with a possible location for the - * historic FS_DYNAMICPOSTBLFMT postbl table, and with the - * first half of the historic FS_42POSTBLFMT postbl table. - */ - n->fs_maxbsize = bswap32(o->fs_maxbsize); - n->fs_sblockloc = bswap64(o->fs_sblockloc); - ffs_csumtotal_swap(&o->fs_cstotal, &n->fs_cstotal); - n->fs_time = bswap64(o->fs_time); - n->fs_size = bswap64(o->fs_size); - n->fs_dsize = bswap64(o->fs_dsize); - n->fs_csaddr = bswap64(o->fs_csaddr); - n->fs_pendingblocks = bswap64(o->fs_pendingblocks); - n->fs_pendinginodes = bswap32(o->fs_pendinginodes); - - /* These fields overlap with the second half of the - * historic FS_42POSTBLFMT postbl table - */ - for (i = 0; i < FSMAXSNAP; i++) - n->fs_snapinum[i] = bswap32(o->fs_snapinum[i]); - n->fs_avgfilesize = bswap32(o->fs_avgfilesize); - n->fs_avgfpdir = bswap32(o->fs_avgfpdir); - /* fs_sparecon[28] - ignore for now */ - n->fs_flags = bswap32(o->fs_flags); - n->fs_contigsumsize = bswap32(o->fs_contigsumsize); - n->fs_maxsymlinklen = bswap32(o->fs_maxsymlinklen); - n->fs_old_inodefmt = bswap32(o->fs_old_inodefmt); - n->fs_maxfilesize = bswap64(o->fs_maxfilesize); - n->fs_qbmask = bswap64(o->fs_qbmask); - n->fs_qfmask = bswap64(o->fs_qfmask); - n->fs_state = bswap32(o->fs_state); - n->fs_old_postblformat = bswap32(o->fs_old_postblformat); - n->fs_old_nrpos = bswap32(o->fs_old_nrpos); - n->fs_old_postbloff = bswap32(o->fs_old_postbloff); - n->fs_old_rotbloff = bswap32(o->fs_old_rotbloff); - - n->fs_magic = bswap32(o->fs_magic); -} - -void -ffs_dinode1_swap(struct ufs1_dinode *o, struct ufs1_dinode *n) -{ - - n->di_mode = bswap16(o->di_mode); - n->di_nlink = bswap16(o->di_nlink); - n->di_size = bswap64(o->di_size); - n->di_atime = bswap32(o->di_atime); - n->di_atimensec = bswap32(o->di_atimensec); - n->di_mtime = bswap32(o->di_mtime); - n->di_mtimensec = bswap32(o->di_mtimensec); - n->di_ctime = bswap32(o->di_ctime); - n->di_ctimensec = bswap32(o->di_ctimensec); - memcpy(n->di_db, o->di_db, (NDADDR + NIADDR) * sizeof(u_int32_t)); - n->di_flags = bswap32(o->di_flags); - n->di_blocks = bswap32(o->di_blocks); - n->di_gen = bswap32(o->di_gen); - n->di_uid = bswap32(o->di_uid); - n->di_gid = bswap32(o->di_gid); -} - -void -ffs_dinode2_swap(struct ufs2_dinode *o, struct ufs2_dinode *n) -{ - n->di_mode = bswap16(o->di_mode); - n->di_nlink = bswap16(o->di_nlink); - n->di_uid = bswap32(o->di_uid); - n->di_gid = bswap32(o->di_gid); - n->di_blksize = bswap32(o->di_blksize); - n->di_size = bswap64(o->di_size); - n->di_blocks = bswap64(o->di_blocks); - n->di_atime = bswap64(o->di_atime); - n->di_atimensec = bswap32(o->di_atimensec); - n->di_mtime = bswap64(o->di_mtime); - n->di_mtimensec = bswap32(o->di_mtimensec); - n->di_ctime = bswap64(o->di_ctime); - n->di_ctimensec = bswap32(o->di_ctimensec); - n->di_birthtime = bswap64(o->di_ctime); - n->di_birthnsec = bswap32(o->di_ctimensec); - n->di_gen = bswap32(o->di_gen); - n->di_kernflags = bswap32(o->di_kernflags); - n->di_flags = bswap32(o->di_flags); - n->di_extsize = bswap32(o->di_extsize); - memcpy(n->di_extb, o->di_extb, (NXADDR + NDADDR + NIADDR) * 8); -} - -void -ffs_csum_swap(struct csum *o, struct csum *n, int size) -{ - int i; - u_int32_t *oint, *nint; - - oint = (u_int32_t*)o; - nint = (u_int32_t*)n; - - for (i = 0; i < size / sizeof(u_int32_t); i++) - nint[i] = bswap32(oint[i]); -} - -void -ffs_csumtotal_swap(struct csum_total *o, struct csum_total *n) -{ - n->cs_ndir = bswap64(o->cs_ndir); - n->cs_nbfree = bswap64(o->cs_nbfree); - n->cs_nifree = bswap64(o->cs_nifree); - n->cs_nffree = bswap64(o->cs_nffree); -} - -/* - * Note that ffs_cg_swap may be called with o == n. - */ -void -ffs_cg_swap(struct cg *o, struct cg *n, struct fs *fs) -{ - int i; - u_int32_t *n32, *o32; - u_int16_t *n16, *o16; - int32_t btotoff, boff, clustersumoff; - - n->cg_firstfield = bswap32(o->cg_firstfield); - n->cg_magic = bswap32(o->cg_magic); - n->cg_old_time = bswap32(o->cg_old_time); - n->cg_cgx = bswap32(o->cg_cgx); - n->cg_old_ncyl = bswap16(o->cg_old_ncyl); - n->cg_old_niblk = bswap16(o->cg_old_niblk); - n->cg_ndblk = bswap32(o->cg_ndblk); - n->cg_cs.cs_ndir = bswap32(o->cg_cs.cs_ndir); - n->cg_cs.cs_nbfree = bswap32(o->cg_cs.cs_nbfree); - n->cg_cs.cs_nifree = bswap32(o->cg_cs.cs_nifree); - n->cg_cs.cs_nffree = bswap32(o->cg_cs.cs_nffree); - n->cg_rotor = bswap32(o->cg_rotor); - n->cg_frotor = bswap32(o->cg_frotor); - n->cg_irotor = bswap32(o->cg_irotor); - for (i = 0; i < MAXFRAG; i++) - n->cg_frsum[i] = bswap32(o->cg_frsum[i]); - - n->cg_old_btotoff = bswap32(o->cg_old_btotoff); - n->cg_old_boff = bswap32(o->cg_old_boff); - n->cg_iusedoff = bswap32(o->cg_iusedoff); - n->cg_freeoff = bswap32(o->cg_freeoff); - n->cg_nextfreeoff = bswap32(o->cg_nextfreeoff); - n->cg_clustersumoff = bswap32(o->cg_clustersumoff); - n->cg_clusteroff = bswap32(o->cg_clusteroff); - n->cg_nclusterblks = bswap32(o->cg_nclusterblks); - n->cg_niblk = bswap32(o->cg_niblk); - n->cg_initediblk = bswap32(o->cg_initediblk); - n->cg_time = bswap64(o->cg_time); - - if (fs->fs_magic == FS_UFS2_MAGIC) - return; - - if (n->cg_magic == CG_MAGIC) { - btotoff = n->cg_old_btotoff; - boff = n->cg_old_boff; - clustersumoff = n->cg_clustersumoff; - } else { - btotoff = bswap32(n->cg_old_btotoff); - boff = bswap32(n->cg_old_boff); - clustersumoff = bswap32(n->cg_clustersumoff); - } - n32 = (u_int32_t *)((u_int8_t *)n + btotoff); - o32 = (u_int32_t *)((u_int8_t *)o + btotoff); - n16 = (u_int16_t *)((u_int8_t *)n + boff); - o16 = (u_int16_t *)((u_int8_t *)o + boff); - - for (i = 0; i < fs->fs_old_cpg; i++) - n32[i] = bswap32(o32[i]); - - for (i = 0; i < fs->fs_old_cpg * fs->fs_old_nrpos; i++) - n16[i] = bswap16(o16[i]); - - n32 = (u_int32_t *)((u_int8_t *)n + clustersumoff); - o32 = (u_int32_t *)((u_int8_t *)o + clustersumoff); - for (i = 1; i < fs->fs_contigsumsize + 1; i++) - n32[i] = bswap32(o32[i]); -} |
