Add libtar to TWRP instead of using busybox tar
Add proper mkdosfs tool
Add fuse to TWRP
Add experimental exfat-fuse to TWRP
Convert all system() functions to use new Exec_Cmd function
diff --git a/exfat/libexfat/exfat.h b/exfat/libexfat/exfat.h
new file mode 100644
index 0000000..6f15267
--- /dev/null
+++ b/exfat/libexfat/exfat.h
@@ -0,0 +1,215 @@
+/*
+ exfat.h (29.08.09)
+ Definitions of structures and constants used in exFAT file system
+ implementation.
+
+ Copyright (C) 2010-2012 Andrew Nayenko
+
+ 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 EXFAT_H_INCLUDED
+#define EXFAT_H_INCLUDED
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <stdbool.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include "exfatfs.h"
+#include "version.h"
+
+#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 SECTOR_SIZE(sb) (1 << (sb).sector_bits)
+#define CLUSTER_SIZE(sb) (SECTOR_SIZE(sb) << (sb).spc_bits)
+#define CLUSTER_INVALID(c) \
+ ((c) < EXFAT_FIRST_DATA_CLUSTER || (c) > EXFAT_LAST_DATA_CLUSTER)
+
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#define DIV_ROUND_UP(x, d) (((x) + (d) - 1) / (d))
+#define ROUND_UP(x, d) (DIV_ROUND_UP(x, d) * (d))
+
+#define BMAP_GET(bitmap, index) \
+ (((uint8_t*) bitmap)[(index) / 8] & (1u << ((index) % 8)))
+#define BMAP_SET(bitmap, index) \
+ ((uint8_t*) bitmap)[(index) / 8] |= (1u << ((index) % 8))
+#define BMAP_CLR(bitmap, index) \
+ ((uint8_t*) bitmap)[(index) / 8] &= ~(1u << ((index) % 8))
+
+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;
+ off64_t entry_offset;
+ cluster_t start_cluster;
+ int flags;
+ uint64_t size;
+ time_t mtime, atime;
+ le16_t name[EXFAT_NAME_MAX + 1];
+};
+
+enum exfat_mode
+{
+ EXFAT_MODE_RO,
+ EXFAT_MODE_RW,
+ EXFAT_MODE_ANY,
+};
+
+struct exfat_dev;
+
+struct exfat
+{
+ struct exfat_dev* dev;
+ struct exfat_super_block* sb;
+ 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 */
+ bool dirty;
+ }
+ cmap;
+ char label[EXFAT_ENAME_MAX * 6 + 1]; /* a character can occupy up to
+ 6 bytes in UTF-8 */
+ void* zero_cluster;
+ int dmask, fmask;
+ uid_t uid;
+ gid_t gid;
+ int ro;
+ bool noatime;
+};
+
+/* in-core nodes iterator */
+struct exfat_iterator
+{
+ struct exfat_node* parent;
+ struct exfat_node* current;
+};
+
+struct exfat_human_bytes
+{
+ uint64_t value;
+ const char* unit;
+};
+
+extern int exfat_errors;
+
+void exfat_bug(const char* format, ...)
+ __attribute__((format(printf, 1, 2), noreturn));
+void exfat_error(const char* format, ...)
+ __attribute__((format(printf, 1, 2)));
+void exfat_warn(const char* format, ...)
+ __attribute__((format(printf, 1, 2)));
+void exfat_debug(const char* format, ...)
+ __attribute__((format(printf, 1, 2)));
+
+struct exfat_dev* exfat_open(const char* spec, enum exfat_mode mode);
+int exfat_close(struct exfat_dev* dev);
+int exfat_fsync(struct exfat_dev* dev);
+enum exfat_mode exfat_get_mode(const struct exfat_dev* dev);
+off64_t exfat_get_size(const struct exfat_dev* dev);
+off64_t exfat_seek(struct exfat_dev* dev, off64_t offset, int whence);
+ssize_t exfat_read(struct exfat_dev* dev, void* buffer, size_t size);
+ssize_t exfat_write(struct exfat_dev* dev, const void* buffer, size_t size);
+void exfat_pread(struct exfat_dev* dev, void* buffer, size_t size,
+ off64_t offset);
+void exfat_pwrite(struct exfat_dev* dev, const void* buffer, size_t size,
+ off64_t offset);
+ssize_t exfat_generic_pread(const struct exfat* ef, struct exfat_node* node,
+ void* buffer, size_t size, off64_t offset);
+ssize_t exfat_generic_pwrite(struct exfat* ef, struct exfat_node* node,
+ const void* buffer, size_t size, off64_t offset);
+
+int exfat_opendir(struct exfat* ef, struct exfat_node* dir,
+ 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** parent,
+ struct exfat_node** node, le16_t* name, const char* path);
+
+off64_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,
+ 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);
+uint32_t exfat_count_free_clusters(const struct exfat* ef);
+int exfat_find_used_sectors(const struct exfat* ef, off64_t* a, off64_t* b);
+
+void exfat_stat(const struct exfat* ef, const struct exfat_node* node,
+ struct stat* stbuf);
+void exfat_get_name(const struct exfat_node* node, char* buffer, size_t n);
+uint16_t exfat_start_checksum(const struct exfat_entry_meta1* entry);
+uint16_t exfat_add_checksum(const void* entry, uint16_t sum);
+le16_t exfat_calc_checksum(const struct exfat_entry_meta1* meta1,
+ const struct exfat_entry_meta2* meta2, const le16_t* name);
+uint32_t exfat_vbr_start_checksum(const void* sector, size_t size);
+uint32_t exfat_vbr_add_checksum(const void* sector, size_t size, uint32_t sum);
+le16_t exfat_calc_name_hash(const struct exfat* ef, const le16_t* name);
+void exfat_humanize_bytes(uint64_t value, struct exfat_human_bytes* hb);
+void exfat_print_info(const struct exfat_super_block* sb,
+ uint32_t free_clusters);
+
+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* 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_rename(struct exfat* ef, const char* old_path, const char* new_path);
+void exfat_utimes(struct exfat_node* node, const struct timespec tv[2]);
+void exfat_update_atime(struct exfat_node* node);
+void exfat_update_mtime(struct exfat_node* node);
+const char* exfat_get_label(struct exfat* ef);
+int exfat_set_label(struct exfat* ef, const char* label);
+
+int exfat_mount(struct exfat* ef, const char* spec, const char* options);
+void exfat_unmount(struct exfat* ef);
+
+time_t exfat_exfat2unix(le16_t date, le16_t time, uint8_t centisec);
+void exfat_unix2exfat(time_t unix_time, le16_t* date, le16_t* time,
+ uint8_t* centisec);
+void exfat_tzset(void);
+
+#endif /* ifndef EXFAT_H_INCLUDED */