exfat: Build fsck and update path to mkfs

* Usage of fsck.exfat is already included in partition.cpp, but the
  tool is missing.
* Update the path to mkexfatfs so the button is available when changing
  filesystem.

Change-Id: I5f4e27357c6b5a8606043d1bdc2488cc83e55d90

Android.mk

@@ -368,7 +368,7 @@ else
     endif
 endif
 ifneq ($(TW_NO_EXFAT), true)
-    LOCAL_ADDITIONAL_DEPENDENCIES += mkexfatfs
+    LOCAL_ADDITIONAL_DEPENDENCIES += mkexfatfs fsckexfat
 endif
 ifeq ($(BOARD_HAS_NO_REAL_SDCARD),)
     LOCAL_ADDITIONAL_DEPENDENCIES += parted
@@ -570,6 +570,7 @@ ifeq ($(BUILD_ID), GINGERBREAD)
 endif
 ifneq ($(TW_NO_EXFAT), true)
     include $(commands_recovery_local_path)/exfat/mkfs/Android.mk \
+            $(commands_recovery_local_path)/exfat/fsck/Android.mk \
             $(commands_recovery_local_path)/fuse/Android.mk \
             $(commands_recovery_local_path)/exfat/libexfat/Android.mk
 endif

exfat/fsck/Android.mk

@@ -0,0 +1,16 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := fsckexfat
+LOCAL_MODULE_STEM := fsck.exfat
+LOCAL_MODULE_TAGS := optional
+LOCAL_MODULE_PATH := $(TARGET_RECOVERY_ROOT_OUT)/sbin
+LOCAL_CFLAGS = -D_FILE_OFFSET_BITS=64
+LOCAL_SRC_FILES =  main.c
+LOCAL_C_INCLUDES += $(LOCAL_PATH) \
+                    $(commands_recovery_local_path)/exfat/libexfat \
+                    $(commands_recovery_local_path)/fuse/include
+LOCAL_SHARED_LIBRARIES += libexfat_twrp
+
+include $(BUILD_EXECUTABLE)

gui/action.cpp

@@ -868,7 +868,7 @@ int GUIAction::getpartitiondetails(std::string arg __unused)
 					DataManager::SetValue("tw_partition_vfat", 1);
 				else
 					DataManager::SetValue("tw_partition_vfat", 0);
-				if (TWFunc::Path_Exists("/sbin/mkfs.exfat"))
+				if (TWFunc::Path_Exists("/sbin/mkexfatfs"))
 					DataManager::SetValue("tw_partition_exfat", 1);
 				else
 					DataManager::SetValue("tw_partition_exfat", 0);

prebuilt/Android.mk

@@ -128,6 +128,7 @@ ifeq ($(BUILD_ID), GINGERBREAD)
 endif
 ifneq ($(TW_NO_EXFAT), true)
     RELINK_SOURCE_FILES += $(TARGET_RECOVERY_ROOT_OUT)/sbin/mkexfatfs
+    RELINK_SOURCE_FILES += $(TARGET_RECOVERY_ROOT_OUT)/sbin/fsck.exfat
     RELINK_SOURCE_FILES += $(TARGET_OUT_SHARED_LIBRARIES)/libexfat_twrp.so
 else
     TW_NO_EXFAT_FUSE := true