| /* |
| * Copyright (C) 2009 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. |
| */ |
| |
| // Image patch chunk types |
| #define CHUNK_NORMAL 0 |
| #define CHUNK_GZIP 1 // version 1 only |
| #define CHUNK_DEFLATE 2 // version 2 only |
| #define CHUNK_RAW 3 // version 2 only |
| |
| // The gzip header size is actually variable, but we currently don't |
| // support gzipped data with any of the optional fields, so for now it |
| // will always be ten bytes. See RFC 1952 for the definition of the |
| // gzip format. |
| #define GZIP_HEADER_LEN 10 |
| |
| // The gzip footer size really is fixed. |
| #define GZIP_FOOTER_LEN 8 |