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/*
* Copyright (C) 2008 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.
*/
/*
* Access .dex (Dalvik Executable Format) files. The code here assumes that
* the DEX file has been rewritten (byte-swapped, word-aligned) and that
* the contents can be directly accessed as a collection of C arrays. Please
* see docs/dalvik/dex-format.html for a detailed description.
*
* The structure and field names were chosen to match those in the DEX spec.
*
* It's generally assumed that the DEX file will be stored in shared memory,
* obviating the need to copy code and constant pool entries into newly
* allocated storage. Maintaining local pointers to items in the shared area
* is valid and encouraged.
*
* All memory-mapped structures are 32-bit aligned unless otherwise noted.
*/
#ifndef _LIBDEX_CMDUTILS
#define _LIBDEX_CMDUTILS
/* encode the result of unzipping to a file */
typedef enum UnzipToFileResult {
kUTFRSuccess = 0,
kUTFRGenericFailure,
kUTFRBadArgs,
kUTFRNotZip,
kUTFRNoClassesDex,
kUTFROutputFileProblem,
kUTFRBadZip,
} UnzipToFileResult;
/*
* Map the specified DEX file, possibly after expanding it into a temp file
* from a Jar. Pass in a MemMapping struct to hold the info.
*
* This is intended for use by tools (e.g. dexdump) that need to get a
* read-only copy of a DEX file that could be in a number of different states.
*
* If "tempFileName" is NULL, a default value is used. The temp file is
* deleted after the map succeeds.
*
* Returns 0 on success.
*/
UnzipToFileResult dexOpenAndMap(const char* fileName, const char* tempFileName,
MemMapping* pMap, bool quiet);
/*
* Utility function to open a Zip archive, find "classes.dex", and extract
* it to a file.
*/
UnzipToFileResult dexUnzipToFile(const char* zipFileName,
const char* outFileName, bool quiet);
#endif /*_LIBDEX_CMDUTILS*/
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