1 /* 2 * 3 * (c) 2008-2009 Laurent Vivier <Laurent@lvivier.info> 4 * 5 * This file has been copied from EMILE, http://emile.sf.net 6 * 7 */ 8 9 #ifndef __EXT2_UTILS_H__ 10 #define __EXT2_UTILS_H__ 11 12 #include "ext2_fs.h" 13 #include "ext2.h" 14 15 /* from linux/stat.h */ 16 17 #define S_IFMT 00170000 18 #define S_IFSOCK 0140000 19 #define S_IFLNK 0120000 20 #define S_IFREG 0100000 21 #define S_IFBLK 0060000 22 #define S_IFDIR 0040000 23 #define S_IFCHR 0020000 24 #define S_IFIFO 0010000 25 #define S_ISUID 0004000 26 #define S_ISGID 0002000 27 #define S_ISVTX 0001000 28 29 #define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK) 30 #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) 31 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) 32 #define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR) 33 #define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK) 34 #define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO) 35 #define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK) 36 37 /* utilities */ 38 39 extern int ext2_probe(int fd, long long offset); 40 extern void ext2_get_super(int fd, struct ext2_super_block *super); 41 extern void ext2_read_block(ext2_VOLUME* volume, unsigned int fsblock); 42 extern void ext2_get_group_desc(ext2_VOLUME* volume, 43 int group_id, struct ext2_group_desc *gdp); 44 extern int ext2_get_inode(ext2_VOLUME* volume, 45 unsigned int ino, struct ext2_inode *inode); 46 extern unsigned int ext2_get_block_addr(ext2_VOLUME* volume, 47 struct ext2_inode *inode, 48 unsigned int logical); 49 extern int ext2_read_data(ext2_VOLUME* volume, struct ext2_inode *inode, 50 off_t offset, char *buffer, size_t length); 51 extern off_t ext2_dir_entry(ext2_VOLUME *volume, struct ext2_inode *inode, 52 off_t offset, struct ext2_dir_entry_2 *entry); 53 extern unsigned int ext2_seek_name(ext2_VOLUME *volume, const char *name); 54 #endif /* __EXT2_UTILS_H__ */ 55