xref: /aosp_15_r20/art/libartbase/base/file_magic.h (revision 795d594fd825385562da6b089ea9b2033f3abf5a)
1*795d594fSAndroid Build Coastguard Worker /*
2*795d594fSAndroid Build Coastguard Worker  * Copyright (C) 2015 The Android Open Source Project
3*795d594fSAndroid Build Coastguard Worker  *
4*795d594fSAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*795d594fSAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*795d594fSAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*795d594fSAndroid Build Coastguard Worker  *
8*795d594fSAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*795d594fSAndroid Build Coastguard Worker  *
10*795d594fSAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*795d594fSAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*795d594fSAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*795d594fSAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*795d594fSAndroid Build Coastguard Worker  * limitations under the License.
15*795d594fSAndroid Build Coastguard Worker  */
16*795d594fSAndroid Build Coastguard Worker 
17*795d594fSAndroid Build Coastguard Worker #ifndef ART_LIBARTBASE_BASE_FILE_MAGIC_H_
18*795d594fSAndroid Build Coastguard Worker #define ART_LIBARTBASE_BASE_FILE_MAGIC_H_
19*795d594fSAndroid Build Coastguard Worker 
20*795d594fSAndroid Build Coastguard Worker #include <stdint.h>
21*795d594fSAndroid Build Coastguard Worker #include <string>
22*795d594fSAndroid Build Coastguard Worker 
23*795d594fSAndroid Build Coastguard Worker #include "os.h"
24*795d594fSAndroid Build Coastguard Worker 
25*795d594fSAndroid Build Coastguard Worker namespace art {
26*795d594fSAndroid Build Coastguard Worker 
27*795d594fSAndroid Build Coastguard Worker // Open file and read magic number
28*795d594fSAndroid Build Coastguard Worker File OpenAndReadMagic(const char* filename, uint32_t* magic, std::string* error_msg);
29*795d594fSAndroid Build Coastguard Worker 
30*795d594fSAndroid Build Coastguard Worker // Read magic number and reset pointer to SEEK_SET.
31*795d594fSAndroid Build Coastguard Worker bool ReadMagicAndReset(int fd, uint32_t* magic, std::string* error_msg);
32*795d594fSAndroid Build Coastguard Worker 
33*795d594fSAndroid Build Coastguard Worker // Check whether the given magic matches a known file type.
34*795d594fSAndroid Build Coastguard Worker bool IsZipMagic(uint32_t magic);
35*795d594fSAndroid Build Coastguard Worker 
36*795d594fSAndroid Build Coastguard Worker }  // namespace art
37*795d594fSAndroid Build Coastguard Worker 
38*795d594fSAndroid Build Coastguard Worker #endif  // ART_LIBARTBASE_BASE_FILE_MAGIC_H_
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