Pass struct exfat to exfat_stat().

[android-x86/external-exfat.git] / libexfat / exfat.h

diff --git a/libexfat/exfat.h b/libexfat/exfat.h
index 4a257e6..16fef81 100644 (file)
--- a/libexfat/exfat.h
+++ b/libexfat/exfat.h
@@ -24,20 +24,28 @@
 #define EXFAT_NAME_MAX 256
 #define EXFAT_ATTRIB_CONTIGUOUS 0x10000
 #define EXFAT_ATTRIB_CACHED     0x20000
+#define EXFAT_ATTRIB_DIRTY      0x40000
+#define EXFAT_ATTRIB_UNLINKED   0x80000
 #define IS_CONTIGUOUS(node) (((node).flags & EXFAT_ATTRIB_CONTIGUOUS) != 0)
 #define BLOCK_SIZE(sb) (1 << (sb).block_bits)
 #define CLUSTER_SIZE(sb) (BLOCK_SIZE(sb) << (sb).bpc_bits)
 #define CLUSTER_INVALID(c) ((c) == EXFAT_CLUSTER_BAD || (c) == EXFAT_CLUSTER_END)
 
 #define MIN(a, b) ((a) < (b) ? (a) : (b))
+#define DIV_ROUND_UP(x, d) (((x) + (d) - 1) / (d))
 
 struct exfat_node
 {
+       struct exfat_node* parent;
        struct exfat_node* child;
        struct exfat_node* next;
        struct exfat_node* prev;
 
        int references;
+       uint32_t fptr_index;
+       cluster_t fptr_cluster;
+       cluster_t entry_cluster;
+       off_t entry_offset;
        cluster_t start_cluster;
        int flags;
        uint64_t size;
@@ -52,6 +60,16 @@ struct exfat
        le16_t* upcase;
        size_t upcase_chars;
        struct exfat_node* root;
+       struct
+       {
+               cluster_t start_cluster;
+               uint32_t size;                          /* in bits */
+               uint8_t* chunk;
+               uint32_t chunk_size;            /* in bits */
+               int dirty;
+       }
+       cmap;
+       void* zero_block;
 };
 
 /* in-core nodes iterator */
@@ -69,38 +87,57 @@ void exfat_warn(const char* format, ...);
 void exfat_debug(const char* format, ...);
 
 void exfat_read_raw(void* buffer, size_t size, off_t offset, int fd);
-ssize_t exfat_read(const struct exfat* ef, const struct exfat_node* node,
+void exfat_write_raw(const void* buffer, size_t size, off_t offset, int fd);
+ssize_t exfat_read(const struct exfat* ef, struct exfat_node* node,
                void* buffer, size_t size, off_t offset);
+ssize_t exfat_write(struct exfat* ef, struct exfat_node* node,
+               const void* buffer, size_t size, off_t offset);
 
 int exfat_opendir(struct exfat* ef, struct exfat_node* dir,
                struct exfat_iterator* it);
-void exfat_closedir(struct exfat_iterator* it);
+void exfat_closedir(struct exfat* ef, struct exfat_iterator* it);
 struct exfat_node* exfat_readdir(struct exfat* ef, struct exfat_iterator* it);
 int exfat_lookup(struct exfat* ef, struct exfat_node** node,
                const char* path);
+int exfat_split(struct exfat* ef, struct exfat_node** node, le16_t* name,
+               const char* path);
 
 off_t exfat_c2o(const struct exfat* ef, cluster_t cluster);
 cluster_t exfat_next_cluster(const struct exfat* ef,
                const struct exfat_node* node, cluster_t cluster);
 cluster_t exfat_advance_cluster(const struct exfat* ef,
-               const struct exfat_node* node, cluster_t cluster, uint32_t count);
+               struct exfat_node* node, uint32_t count);
+void exfat_flush_cmap(struct exfat* ef);
+int exfat_truncate(struct exfat* ef, struct exfat_node* node, uint64_t size);
 
-void exfat_stat(const struct exfat_node* node, struct stat *stbuf);
+void exfat_stat(const struct exfat* ef, const struct exfat_node* node,
+               struct stat* stbuf);
 time_t exfat_exfat2unix(le16_t date, le16_t time);
 void exfat_unix2exfat(time_t unix_time, le16_t* date, le16_t* time);
 void exfat_get_name(const struct exfat_node* node, char* buffer, size_t n);
+uint16_t exfat_start_checksum(const struct exfat_file* entry);
+uint16_t exfat_add_checksum(const void* entry, uint16_t sum);
+le16_t exfat_calc_checksum(const struct exfat_file* meta1,
+               const struct exfat_file_info* meta2, const le16_t* name);
+le16_t exfat_calc_name_hash(const struct exfat* ef, const le16_t* name);
 
 int utf16_to_utf8(char* output, const le16_t* input, size_t outsize,
                size_t insize);
 int utf8_to_utf16(le16_t* output, const char* input, size_t outsize,
                size_t insize);
+size_t utf16_length(const le16_t* str);
 
 struct exfat_node* exfat_get_node(struct exfat_node* node);
-void exfat_put_node(struct exfat_node* node);
+void exfat_put_node(struct exfat* ef, struct exfat_node* node);
 int exfat_cache_directory(struct exfat* ef, struct exfat_node* dir);
 void exfat_reset_cache(struct exfat* ef);
+void exfat_flush_node(struct exfat* ef, struct exfat_node* node);
+int exfat_unlink(struct exfat* ef, struct exfat_node* node);
+int exfat_rmdir(struct exfat* ef, struct exfat_node* node);
+int exfat_mknod(struct exfat* ef, const char* path);
+int exfat_mkdir(struct exfat* ef, const char* path);
 
-int exfat_mount(struct exfat* ef, const char* spec);
+int exfat_mount(struct exfat* ef, const char* spec, const char* options);
 void exfat_unmount(struct exfat* ef);
 
 #endif /* ifndef EXFAT_H_INCLUDED */