traverse.h

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/*
    libparted
    Copyright (C) 1998-2000, 2007-2014, 2019-2023 Free Software Foundation,
    Inc.
 
    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 3 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, see <http://www.gnu.org/licenses/>.
*/
 
#ifndef TRAVERSE_H_INCLUDED
#define TRAVERSE_H_INCLUDED
 
#include "fatio.h"
 
typedef struct _FatTraverseInfo         FatTraverseInfo;
 
struct _FatTraverseInfo {
        PedFileSystem*          fs;
        char*                   dir_name;
 
        int                     is_legacy_root_dir;
        int                     dirty;
        int                     eof;
 
        FatDirEntry*            dir_entries;
        int                     current_entry;
        FatCluster              this_buffer, next_buffer;
        int                     buffer_size;
};
 
extern int fat_traverse_entries_per_buffer (FatTraverseInfo* trav_info);
 
/* starts traversal at an arbitary cluster.  if start_cluster==0, then uses
   root directory */
extern FatTraverseInfo* fat_traverse_begin (PedFileSystem* fs,
                                            FatCluster start_cluster,
                                            const char* dir_name);
 
extern int fat_traverse_complete (FatTraverseInfo* trav_info);
 
extern FatTraverseInfo* fat_traverse_directory (FatTraverseInfo* trav_info,
                                                FatDirEntry* parent);
 
extern void fat_traverse_mark_dirty (FatTraverseInfo* trav_info);
 
extern FatDirEntry* fat_traverse_next_dir_entry (FatTraverseInfo* trav_info);
 
extern FatCluster fat_dir_entry_get_first_cluster (FatDirEntry* dir_entry,
                                                   PedFileSystem* fs);
 
extern void fat_dir_entry_set_first_cluster (FatDirEntry* dir_entry,
                                        PedFileSystem* fs, FatCluster cluster);
 
extern uint32_t fat_dir_entry_get_length (FatDirEntry* dir_entry);
 
extern int fat_dir_entry_is_null_term (const FatDirEntry* dir_entry);
extern int fat_dir_entry_is_file (FatDirEntry* dir_entry);
extern int fat_dir_entry_is_system_file (FatDirEntry* dir_entry);
extern int fat_dir_entry_is_directory (FatDirEntry* dir_entry);
extern void fat_dir_entry_get_name (const FatDirEntry* dir_entry, char* result);
extern int fat_dir_entry_is_active (FatDirEntry* dir_entry);
extern int fat_dir_entry_has_first_cluster (FatDirEntry* dir_entry,
                                            PedFileSystem* fs);
 
#endif /* TRAVERSE_H_INCLUDED */