diff options
Diffstat (limited to 'tools/applypatch/applypatch.h')
-rw-r--r-- | tools/applypatch/applypatch.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/tools/applypatch/applypatch.h b/tools/applypatch/applypatch.h new file mode 100644 index 0000000..76fc80a --- /dev/null +++ b/tools/applypatch/applypatch.h @@ -0,0 +1,53 @@ +/* + * 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. + */ + +#ifndef _APPLYPATCH_H +#define _APPLYPATCH_H + +#include "mincrypt/sha.h" + +typedef struct _Patch { + uint8_t sha1[SHA_DIGEST_SIZE]; + const char* patch_filename; +} Patch; + +typedef struct _FileContents { + uint8_t sha1[SHA_DIGEST_SIZE]; + unsigned char* data; + size_t size; + struct stat st; +} FileContents; + +// When there isn't enough room on the target filesystem to hold the +// patched version of the file, we copy the original here and delete +// it to free up space. If the expected source file doesn't exist, or +// is corrupted, we look to see if this file contains the bits we want +// and use it as the source instead. +#define CACHE_TEMP_SOURCE "/cache/saved.file" + +// applypatch.c +size_t FreeSpaceForFile(const char* filename); + +// bsdiff.c +void ShowBSDiffLicense(); +int ApplyBSDiffPatch(const unsigned char* old_data, ssize_t old_size, + const char* patch_filename, + FILE* output, SHA_CTX* ctx); + +// freecache.c +int MakeFreeSpaceOnCache(size_t bytes_needed); + +#endif |