1 files changed, 38 insertions, 0 deletions
diff --git a/libartbase/base/file_magic.h b/libartbase/base/file_magic.h
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+++ b/libartbase/base/file_magic.h
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+/*
+ * Copyright (C) 2015 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 ART_LIBARTBASE_BASE_FILE_MAGIC_H_
+#define ART_LIBARTBASE_BASE_FILE_MAGIC_H_
+
+#include <stdint.h>
+#include <string>
+
+#include "base/os.h"
+
+namespace art {
+
+// Open file and read magic number
+File OpenAndReadMagic(const char* filename, uint32_t* magic, std::string* error_msg);
+
+// Read magic number and reset pointer to SEEK_SET.
+bool ReadMagicAndReset(int fd, uint32_t* magic, std::string* error_msg);
+
+// Check whether the given magic matches a known file type.
+bool IsZipMagic(uint32_t magic);
+
+}  // namespace art
+
+#endif  // ART_LIBARTBASE_BASE_FILE_MAGIC_H_