3 * Definitions of structures and constants used in exFAT file system
6 * Created by Andrew Nayenko on 29.08.09.
7 * This software is distributed under the GNU General Public License
8 * version 3 or any later.
11 #ifndef EXFAT_H_INCLUDED
12 #define EXFAT_H_INCLUDED
18 #include <sys/types.h>
21 #define EXFAT_VERSION_MAJOR 0
22 #define EXFAT_VERSION_MINOR 5
24 #define EXFAT_NAME_MAX 256
25 #define EXFAT_ATTRIB_CONTIGUOUS 0x10000
26 #define IS_CONTIGUOUS(node) (((node).flags & EXFAT_ATTRIB_CONTIGUOUS) != 0)
27 #define BLOCK_SIZE(sb) (1 << (sb).block_bits)
28 #define CLUSTER_SIZE(sb) (BLOCK_SIZE(sb) << (sb).bpc_bits)
29 #define CLUSTER_INVALID(c) ((c) == EXFAT_CLUSTER_BAD || (c) == EXFAT_CLUSTER_END)
33 struct exfat_super_block* sb;
35 uint64_t rootdir_size;
42 cluster_t start_cluster;
46 le16_t name[EXFAT_NAME_MAX + 1];
57 extern int exfat_errors;
59 void exfat_bug(const char* format, ...);
60 void exfat_error(const char* format, ...);
61 void exfat_warn(const char* format, ...);
62 void exfat_debug(const char* format, ...);
64 void exfat_read_raw(void* buffer, size_t size, off_t offset, int fd);
65 ssize_t exfat_read(const struct exfat* ef, const struct exfat_node* node,
66 void* buffer, size_t size, off_t offset);
68 void exfat_put_node(struct exfat_node* node);
69 void exfat_opendir(const struct exfat_node* node, struct exfat_iterator* it);
70 void exfat_closedir(struct exfat_iterator* it);
71 int exfat_readdir(struct exfat* ef, const struct exfat_node* parent,
72 struct exfat_node** node, struct exfat_iterator* it);
73 int exfat_lookup(struct exfat* ef, struct exfat_node** node,
76 off_t exfat_c2o(const struct exfat* ef, cluster_t cluster);
77 cluster_t exfat_next_cluster(const struct exfat* ef, cluster_t cluster,
79 cluster_t exfat_advance_cluster(const struct exfat* ef, cluster_t cluster,
80 int contiguous, uint32_t count);
82 int exfat_mount(struct exfat* ef, const char* spec);
83 void exfat_unmount(struct exfat* ef);
84 void exfat_stat(const struct exfat_node* node, struct stat *stbuf);
85 time_t exfat_exfat2unix(le16_t date, le16_t time);
86 void exfat_unix2exfat(time_t unix_time, le16_t* date, le16_t* time);
87 void exfat_get_name(const struct exfat_node* node, char* buffer, size_t n);
89 int utf16_to_utf8(char* output, const le16_t* input, size_t outsize,
91 int utf8_to_utf16(le16_t* output, const char* input, size_t outsize,
94 #endif /* ifndef EXFAT_H_INCLUDED */