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* Copyright (c) 2011 Martin Sucha
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* - The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/** @addtogroup libext2
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#include "libext2_block_group.h"
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#include <byteorder.h>
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* Get block ID corresponding to the block bitmap of this block group
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* @param bg pointer to block group descriptor
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uint32_t ext2_block_group_get_block_bitmap_block(ext2_block_group_t *bg)
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return uint32_t_le2host(bg->block_bitmap_block);
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* Get block ID corresponding to the inode bitmap of this block group
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* @param bg pointer to block group descriptor
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uint32_t ext2_block_group_get_inode_bitmap_block(ext2_block_group_t *bg)
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return uint32_t_le2host(bg->inode_bitmap_block);
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* Get block ID of first block in inode table
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* @param bg pointer to block group descriptor
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uint32_t ext2_block_group_get_inode_table_first_block(ext2_block_group_t *bg)
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return uint32_t_le2host(bg->inode_table_first_block);
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* Get amount of free blocks in this block group
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* @param bg pointer to block group descriptor
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uint16_t ext2_block_group_get_free_block_count(ext2_block_group_t *bg)
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return uint16_t_le2host(bg->free_block_count);
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* Set amount of free blocks in this block group
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* @param bg pointer to block group descriptor
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* @param val new value
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void ext2_block_group_set_free_block_count(ext2_block_group_t *bg,
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bg->free_block_count = host2uint16_t_le(val);
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* Get amount of free inodes in this block group
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* @param bg pointer to block group descriptor
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uint16_t ext2_block_group_get_free_inode_count(ext2_block_group_t *bg)
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return uint16_t_le2host(bg->free_inode_count);
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* Get amount of inodes allocated for directories
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* @param bg pointer to block group descriptor
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uint16_t ext2_block_group_get_directory_inode_count(ext2_block_group_t *bg)
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return uint16_t_le2host(bg->directory_inode_count);