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/cbm.c b/exfat/mkfs/cbm.c
new file mode 100644
index 0000000..6d948b4
--- /dev/null
+++ b/exfat/mkfs/cbm.c
@@ -0,0 +1,74 @@
+/*
+ cbm.c (09.11.10)
+ Clusters Bitmap 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 <limits.h>
+#include "cbm.h"
+#include "fat.h"
+#include "uct.h"
+#include "rootdir.h"
+
+static off64_t cbm_alignment(void)
+{
+ return get_cluster_size();
+}
+
+static off64_t cbm_size(void)
+{
+ return DIV_ROUND_UP(
+ (get_volume_size() - get_position(&cbm)) / get_cluster_size(),
+ CHAR_BIT);
+}
+
+static int cbm_write(struct exfat_dev* dev)
+{
+ uint32_t allocated_clusters =
+ DIV_ROUND_UP(cbm.get_size(), get_cluster_size()) +
+ DIV_ROUND_UP(uct.get_size(), get_cluster_size()) +
+ DIV_ROUND_UP(rootdir.get_size(), get_cluster_size());
+ size_t bitmap_size = DIV_ROUND_UP(allocated_clusters, CHAR_BIT);
+ uint8_t* bitmap = malloc(bitmap_size);
+ size_t i;
+
+ if (bitmap == NULL)
+ {
+ exfat_error("failed to allocate bitmap of %zu bytes", bitmap_size);
+ return 1;
+ }
+
+ for (i = 0; i < bitmap_size * CHAR_BIT; i++)
+ if (i < allocated_clusters)
+ BMAP_SET(bitmap, i);
+ else
+ BMAP_CLR(bitmap, i);
+ if (exfat_write(dev, bitmap, bitmap_size) < 0)
+ {
+ exfat_error("failed to write bitmap of %zu bytes", bitmap_size);
+ return 1;
+ }
+ free(bitmap);
+ return 0;
+}
+
+const struct fs_object cbm =
+{
+ .get_alignment = cbm_alignment,
+ .get_size = cbm_size,
+ .write = cbm_write,
+};