Crypto changes for devices that don't write ext4 fs on wipe

This adds a new function to libcutils, partition_wiped().
This is used to determine if a partition is wiped.

Change-Id: Ibb388976c6b5bd3923b62d8f79b2b97748abf6c1

1 files changed, 27 insertions, 0 deletions

diff --git a/include/cutils/partition_utils.h b/include/cutils/partition_utils.h
new file mode 100644
index 00000000..597df925
--- /dev/null
+++ b/include/cutils/partition_utils.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2011, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __CUTILS_PARTITION_WIPED_H__
+#define __CUTILS_PARTITION_WIPED_H__
+
+__BEGIN_DECLS
+
+int partition_wiped(char *source);
+void erase_footer(const char *dev_path, long long size);
+
+__END_DECLS
+
+#endif /* __CUTILS_PARTITION_WIPED_H__ */