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/mkfs/rootdir.c b/exfat/mkfs/rootdir.c
new file mode 100644
index 0000000..ddc476f
--- /dev/null
+++ b/exfat/mkfs/rootdir.c
@@ -0,0 +1,100 @@
+/*
+ rootdir.c (09.11.10)
+ Root directory creation code.
+
+ Copyright (C) 2011, 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/>.
+*/
+
+#include <string.h>
+#include "rootdir.h"
+#include "uct.h"
+#include "cbm.h"
+#include "uctc.h"
+
+static off64_t rootdir_alignment(void)
+{
+ return get_cluster_size();
+}
+
+static off64_t rootdir_size(void)
+{
+ return get_cluster_size();
+}
+
+static void init_label_entry(struct exfat_entry_label* label_entry)
+{
+ memset(label_entry, 0, sizeof(struct exfat_entry_label));
+ label_entry->type = EXFAT_ENTRY_LABEL ^ EXFAT_ENTRY_VALID;
+
+ if (utf16_length(get_volume_label()) == 0)
+ return;
+
+ memcpy(label_entry->name, get_volume_label(),
+ EXFAT_ENAME_MAX * sizeof(le16_t));
+ label_entry->length = utf16_length(get_volume_label());
+ label_entry->type |= EXFAT_ENTRY_VALID;
+}
+
+static void init_bitmap_entry(struct exfat_entry_bitmap* bitmap_entry)
+{
+ memset(bitmap_entry, 0, sizeof(struct exfat_entry_bitmap));
+ bitmap_entry->type = EXFAT_ENTRY_BITMAP;
+ bitmap_entry->start_cluster = cpu_to_le32(EXFAT_FIRST_DATA_CLUSTER);
+ bitmap_entry->size = cpu_to_le64(cbm.get_size());
+}
+
+static void init_upcase_entry(struct exfat_entry_upcase* upcase_entry)
+{
+ size_t i;
+ uint32_t sum = 0;
+
+ for (i = 0; i < sizeof(upcase_table); i++)
+ sum = ((sum << 31) | (sum >> 1)) + upcase_table[i];
+
+ memset(upcase_entry, 0, sizeof(struct exfat_entry_upcase));
+ upcase_entry->type = EXFAT_ENTRY_UPCASE;
+ upcase_entry->checksum = cpu_to_le32(sum);
+ upcase_entry->start_cluster = cpu_to_le32(
+ (get_position(&uct) - get_position(&cbm)) / get_cluster_size() +
+ EXFAT_FIRST_DATA_CLUSTER);
+ upcase_entry->size = cpu_to_le64(sizeof(upcase_table));
+}
+
+static int rootdir_write(struct exfat_dev* dev)
+{
+ struct exfat_entry_label label_entry;
+ struct exfat_entry_bitmap bitmap_entry;
+ struct exfat_entry_upcase upcase_entry;
+
+ init_label_entry(&label_entry);
+ init_bitmap_entry(&bitmap_entry);
+ init_upcase_entry(&upcase_entry);
+
+ if (exfat_write(dev, &label_entry, sizeof(struct exfat_entry)) < 0)
+ return 1;
+ if (exfat_write(dev, &bitmap_entry, sizeof(struct exfat_entry)) < 0)
+ return 1;
+ if (exfat_write(dev, &upcase_entry, sizeof(struct exfat_entry)) < 0)
+ return 1;
+ return 0;
+}
+
+const struct fs_object rootdir =
+{
+ .get_alignment = rootdir_alignment,
+ .get_size = rootdir_size,
+ .write = rootdir_write,
+};