62 lines
1.9 KiB
C
62 lines
1.9 KiB
C
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#ifndef _APPLYPATCH_H
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#define _APPLYPATCH_H
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#include "mincrypt/sha.h"
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typedef struct _Patch {
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uint8_t sha1[SHA_DIGEST_SIZE];
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const char* patch_filename;
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} Patch;
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typedef struct _FileContents {
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uint8_t sha1[SHA_DIGEST_SIZE];
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unsigned char* data;
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size_t size;
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struct stat st;
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} FileContents;
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// When there isn't enough room on the target filesystem to hold the
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// patched version of the file, we copy the original here and delete
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// it to free up space. If the expected source file doesn't exist, or
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// is corrupted, we look to see if this file contains the bits we want
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// and use it as the source instead.
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#define CACHE_TEMP_SOURCE "/cache/saved.file"
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// applypatch.c
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size_t FreeSpaceForFile(const char* filename);
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// xdelta3.c
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int ApplyXDelta3Patch(const unsigned char* old_data, ssize_t old_size,
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const char* patch_filename,
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FILE* output, SHA_CTX* ctx);
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// bsdiff.c
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void ShowBSDiffLicense();
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int ApplyBSDiffPatch(const unsigned char* old_data, ssize_t old_size,
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const char* patch_filename,
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FILE* output, SHA_CTX* ctx);
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// freecache.c
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int MakeFreeSpaceOnCache(size_t bytes_needed);
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#endif
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