54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*
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*
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* (c) 2008-2009 Laurent Vivier <Laurent@lvivier.info>
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*
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* This file has been copied from EMILE, http://emile.sf.net
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*
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*/
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#ifndef __EXT2_UTILS_H__
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#define __EXT2_UTILS_H__
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#include "ext2_fs.h"
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#include "ext2.h"
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/* from linux/stat.h */
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#define S_IFMT 00170000
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#define S_IFSOCK 0140000
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#define S_IFLNK 0120000
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#define S_IFREG 0100000
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#define S_IFBLK 0060000
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#define S_IFDIR 0040000
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#define S_IFCHR 0020000
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#define S_IFIFO 0010000
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#define S_ISUID 0004000
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#define S_ISGID 0002000
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#define S_ISVTX 0001000
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#define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
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#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
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#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
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#define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
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#define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
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#define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
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#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
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/* utilities */
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extern int ext2_probe(int fd, long long offset);
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extern void ext2_get_super(int fd, struct ext2_super_block *super);
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extern void ext2_read_block(ext2_VOLUME* volume, unsigned int fsblock);
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extern void ext2_get_group_desc(ext2_VOLUME* volume,
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int group_id, struct ext2_group_desc *gdp);
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extern int ext2_get_inode(ext2_VOLUME* volume,
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unsigned int ino, struct ext2_inode *inode);
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extern unsigned int ext2_get_block_addr(ext2_VOLUME* volume,
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struct ext2_inode *inode,
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unsigned int logical);
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extern int ext2_read_data(ext2_VOLUME* volume, struct ext2_inode *inode,
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off_t offset, char *buffer, size_t length);
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extern off_t ext2_dir_entry(ext2_VOLUME *volume, struct ext2_inode *inode,
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off_t offset, struct ext2_dir_entry_2 *entry);
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extern unsigned int ext2_seek_name(ext2_VOLUME *volume, const char *name);
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#endif /* __EXT2_UTILS_H__ */
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