1 /*
2  * Copyright (C) 2015 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ART_LIBARTBASE_BASE_FILE_MAGIC_H_
18 #define ART_LIBARTBASE_BASE_FILE_MAGIC_H_
19 
20 #include <stdint.h>
21 #include <string>
22 
23 #include "base/os.h"
24 
25 namespace art {
26 
27 // Open file and read magic number
28 File OpenAndReadMagic(const char* filename, uint32_t* magic, std::string* error_msg);
29 
30 // Read magic number and reset pointer to SEEK_SET.
31 bool ReadMagicAndReset(int fd, uint32_t* magic, std::string* error_msg);
32 
33 // Check whether the given magic matches a known file type.
34 bool IsZipMagic(uint32_t magic);
35 
36 }  // namespace art
37 
38 #endif  // ART_LIBARTBASE_BASE_FILE_MAGIC_H_
39