/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights * Reserved. This file contains Original Code and/or Modifications of * Original Code as defined in and that are subject to the Apple Public * Source License Version 1.0 (the 'License'). You may not use this file * except in compliance with the License. Please obtain a copy of the * License at http://www.apple.com/publicsource and read it before using * this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License." * * @APPLE_LICENSE_HEADER_END@ */ // // partition_map.h - partition map routines // // Written by Eryk Vershen (eryk@apple.com) // /* * Copyright 1996 by Apple Computer, Inc. * All Rights Reserved * * Permission to use, copy, modify, and distribute this software and * its documentation for any purpose and without fee is hereby granted, * provided that the above copyright notice appears in all copies and * that both the copyright notice and this permission notice appear in * supporting documentation. * * APPLE COMPUTER DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE. * * IN NO EVENT SHALL APPLE COMPUTER BE LIABLE FOR ANY SPECIAL, INDIRECT, OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "dpme.h" // // Defines // // // Types // struct partition_map_header { struct media *fd; char *name; struct partition_map * disk_order; struct partition_map * base_order; Block0 *misc; int writeable; int changed; int regular_file; int physical_block; // must be == sbBlockSize int logical_block; // must be <= physical_block int blocks_in_map; int maximum_in_map; unsigned long media_size; // in logical_blocks }; typedef struct partition_map_header partition_map_header; struct partition_map { struct partition_map * next_on_disk; struct partition_map * prev_on_disk; struct partition_map * next_by_base; struct partition_map * prev_by_base; long disk_address; struct partition_map_header * the_map; int contains_driver; DPME *data; }; typedef struct partition_map partition_map; // // Global Constants // extern const char * kFreeType; extern const char * kMapType; extern const char * kUnixType; extern const char * kHFSType; extern const char * kFreeName; // // Global Variables // // // Forward declarations // int add_partition_to_map(const char *name, const char *dptype, u32 base, u32 length, partition_map_header *map); void close_partition_map(partition_map_header *map); partition_map_header* create_partition_map(char *name, partition_map_header *oldmap); void delete_partition_from_map(partition_map *entry); partition_map* find_entry_by_disk_address(long index, partition_map_header *map); partition_map* find_entry_by_base(u32 base, partition_map_header *map); partition_map* find_entry_of_type(u8 * type, int instance, partition_map_header *map); partition_map* find_entry_with_name(u8 * name, int instance, partition_map_header *map); partition_map_header* init_partition_map(char *name, partition_map_header* oldmap); void move_entry_in_map(long old_index, long index, partition_map_header *map); partition_map_header* open_partition_map(char *name, int *valid_file, int ask_logical_size); void resize_map(long new_size, partition_map_header *map); void write_partition_map(partition_map_header *map);