| 1 | /*
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| 2 | * Copyright (c) 2012 Frantisek Princ
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libext4
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| 30 | * @{
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| 31 | */
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| 32 |
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| 33 | #ifndef LIBEXT4_LIBEXT4_EXTENT_H_
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| 34 | #define LIBEXT4_LIBEXT4_EXTENT_H_
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| 35 |
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| 36 | #include "libext4_types.h"
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| 37 |
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| 38 | extern uint32_t ext4_extent_get_first_block(ext4_extent_t *);
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| 39 | extern void ext4_extent_set_first_block(ext4_extent_t *, uint32_t);
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| 40 | extern uint16_t ext4_extent_get_block_count(ext4_extent_t *);
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| 41 | extern void ext4_extent_set_block_count(ext4_extent_t *, uint16_t);
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| 42 | extern uint64_t ext4_extent_get_start(ext4_extent_t *);
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| 43 | extern void ext4_extent_set_start(ext4_extent_t *, uint64_t);
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| 44 |
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| 45 | extern uint32_t ext4_extent_index_get_first_block(ext4_extent_index_t *);
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| 46 | extern void ext4_extent_index_set_first_block(ext4_extent_index_t *, uint32_t);
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| 47 | extern uint64_t ext4_extent_index_get_leaf(ext4_extent_index_t *);
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| 48 | extern void ext4_extent_index_set_leaf(ext4_extent_index_t *, uint64_t);
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| 49 |
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| 50 | extern uint16_t ext4_extent_header_get_magic(ext4_extent_header_t *);
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| 51 | extern void ext4_extent_header_set_magic(ext4_extent_header_t *, uint16_t);
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| 52 | extern uint16_t ext4_extent_header_get_entries_count(ext4_extent_header_t *);
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| 53 | extern void ext4_extent_header_set_entries_count(ext4_extent_header_t *,
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| 54 | uint16_t);
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| 55 | extern uint16_t ext4_extent_header_get_max_entries_count(ext4_extent_header_t *);
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| 56 | extern void ext4_extent_header_set_max_entries_count(ext4_extent_header_t *,
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| 57 | uint16_t);
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| 58 | extern uint16_t ext4_extent_header_get_depth(ext4_extent_header_t *);
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| 59 | extern void ext4_extent_header_set_depth(ext4_extent_header_t *, uint16_t);
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| 60 | extern uint32_t ext4_extent_header_get_generation(ext4_extent_header_t *);
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| 61 | extern void ext4_extent_header_set_generation(ext4_extent_header_t *, uint32_t);
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| 62 |
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| 63 | extern int ext4_extent_find_block(ext4_inode_ref_t *, uint32_t, uint32_t *);
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| 64 | extern int ext4_extent_release_blocks_from(ext4_inode_ref_t *, uint32_t);
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| 65 |
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| 66 | extern int ext4_extent_append_block(ext4_inode_ref_t *, uint32_t *, uint32_t *,
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| 67 | bool);
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| 68 |
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| 69 | #endif
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| 70 |
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| 71 | /**
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| 72 | * @}
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| 73 | */
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