2 * Copyright (c) 2013 Grzegorz Kostka (kostka.grzegorz@gmail.com)
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6 * Copyright (c) 2012 Martin Sucha
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7 * Copyright (c) 2012 Frantisek Princ
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8 * All rights reserved.
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10 * Redistribution and use in source and binary forms, with or without
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11 * modification, are permitted provided that the following conditions
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14 * - Redistributions of source code must retain the above copyright
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15 * notice, this list of conditions and the following disclaimer.
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16 * - Redistributions in binary form must reproduce the above copyright
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17 * notice, this list of conditions and the following disclaimer in the
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18 * documentation and/or other materials provided with the distribution.
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19 * - The name of the author may not be used to endorse or promote products
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20 * derived from this software without specific prior written permission.
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22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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34 /** @addtogroup lwext4
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39 * @brief Directory handle procedures.
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45 #include <ext4_config.h>
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46 #include <ext4_types.h>
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47 #include <ext4_blockdev.h>
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48 #include <ext4_super.h>
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53 uint32_t ext4_dir_entry_ll_get_inode(struct ext4_directory_entry_ll *de);
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55 void ext4_dir_entry_ll_set_inode(struct ext4_directory_entry_ll *de,
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59 uint16_t ext4_dir_entry_ll_get_entry_length(struct ext4_directory_entry_ll *de);
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60 void ext4_dir_entry_ll_set_entry_length(struct ext4_directory_entry_ll *de,
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64 uint16_t ext4_dir_entry_ll_get_name_length(struct ext4_sblock *sb,
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65 struct ext4_directory_entry_ll *de);
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66 void ext4_dir_entry_ll_set_name_length(struct ext4_sblock *sb,
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67 struct ext4_directory_entry_ll *de, uint16_t len);
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71 uint8_t ext4_dir_entry_ll_get_inode_type(struct ext4_sblock *sb,
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72 struct ext4_directory_entry_ll *de);
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73 void ext4_dir_entry_ll_set_inode_type(struct ext4_sblock *sb,
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74 struct ext4_directory_entry_ll *de, uint8_t type);
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77 int ext4_dir_iterator_init(struct ext4_directory_iterator *it,
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78 struct ext4_inode_ref *inode_ref, uint64_t pos);
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80 int ext4_dir_iterator_next(struct ext4_directory_iterator *it);
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81 int ext4_dir_iterator_fini(struct ext4_directory_iterator *it);
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83 void ext4_dir_write_entry(struct ext4_sblock *sb,
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84 struct ext4_directory_entry_ll *entry, uint16_t entry_len,
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85 struct ext4_inode_ref *child, const char *name, size_t name_len);
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87 int ext4_dir_add_entry(struct ext4_inode_ref *parent, const char *name,
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88 uint32_t name_len, struct ext4_inode_ref *child);
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90 int ext4_dir_find_entry(struct ext4_directory_search_result *result,
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91 struct ext4_inode_ref *parent, const char *name, uint32_t name_len);
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93 int ext4_dir_remove_entry(struct ext4_inode_ref *parent, const char *name,
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96 int ext4_dir_try_insert_entry(struct ext4_sblock *sb,
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97 struct ext4_block *target_block, struct ext4_inode_ref *child,
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98 const char *name, uint32_t name_len);
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100 int ext4_dir_find_in_block(struct ext4_block *block, struct ext4_sblock *sb,
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101 size_t name_len, const char *name,
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102 struct ext4_directory_entry_ll **res_entry);
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104 int ext4_dir_destroy_result(struct ext4_inode_ref *parent,
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105 struct ext4_directory_search_result *result);
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108 #endif /* EXT4_DIR_H_ */
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