diff options
Diffstat (limited to 'qemu/roms/openbios/fs/hfsplus/include/volume.h')
-rw-r--r-- | qemu/roms/openbios/fs/hfsplus/include/volume.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/qemu/roms/openbios/fs/hfsplus/include/volume.h b/qemu/roms/openbios/fs/hfsplus/include/volume.h new file mode 100644 index 000000000..19be05500 --- /dev/null +++ b/qemu/roms/openbios/fs/hfsplus/include/volume.h @@ -0,0 +1,87 @@ +/* + * libhfs - library for reading and writing Macintosh HFS volumes + * Copyright (C) 2000 Klaus Halfmann <khalfmann@libra.de>^ + * Original 1996-1998 Robert Leslie <rob@mars.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + * MA 02110-1301, USA. + * + * $Id: volume.h,v 1.11 2000/10/17 05:58:46 hasi Exp $ + */ + +#ifndef _H_VOLUME +#define _H_VOLUME + +/* Open the device, read and verify the volume header + (and its backup) */ +extern int volume_open(volume* vol, int os_fd); + +/* Write back all data eventually cached and close the device. */ +extern int volume_close(volume* vol); + +/* read multiple blocks into given memory. + * + * returns given pointer or NULL on failure. + */ +extern void* volume_readfromfork(volume* vol, void* buf, + hfsp_fork_raw* f, UInt32 block, + UInt32 count, UInt8 forktype, UInt32 fileId); + +/* Fill a given buffer with the given block in volume. + */ +int volume_readinbuf(volume * vol,void* buf, long block); + +/* invalidat cache hold in volume, will be removed when + * caching strategy is clear to me. */ +/* +extern inline void volume_invalidate_cache(volume* vol) +{ + vol -> currblock = (UInt32) -1; +} +*/ + +/* Check in Allocation file if given block is allocated. */ +extern int volume_allocated(volume* v, UInt32 block); + +/* Read a raw hfsp_extent_rec from memory. */ +extern void* volume_readextent(void *p, hfsp_extent_rec er); + +/* Read fork information from raw memory */ +extern void* volume_readfork(void *p, hfsp_fork_raw* f); + +/* internal function used to create the extents btree, + is called by following inline fucntion when needed */ +extern void volume_create_extents_tree(volume* vol); + +/* accessor for entends btree, is created on demand */ +static inline btree* volume_get_extents_tree(volume* vol) { + if (!vol->extents) + volume_create_extents_tree(vol); + return vol->extents; +} + +/* Determine whether the volume is a HFS-plus volume */ +int volume_probe(int fd, long long offset); + +#ifdef DEBUG + /* Print raw fork information to stdout */ + void volume_print_fork(hfsp_fork_raw* f); + /* Dump all the volume information to stdout */ + void volume_print(hfsp_vh* vol); +#endif + + + +#endif /* _H_VOLUME */ |