| Doug Zongker | 512536a | 2010-02-17 16:11:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2009 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | // Image patch chunk types |
| 18 | #define CHUNK_NORMAL 0 |
| 19 | #define CHUNK_GZIP 1 // version 1 only |
| 20 | #define CHUNK_DEFLATE 2 // version 2 only |
| 21 | #define CHUNK_RAW 3 // version 2 only |
| 22 | |
| 23 | // The gzip header size is actually variable, but we currently don't |
| 24 | // support gzipped data with any of the optional fields, so for now it |
| 25 | // will always be ten bytes. See RFC 1952 for the definition of the |
| 26 | // gzip format. |
| 27 | #define GZIP_HEADER_LEN 10 |
| 28 | |
| 29 | // The gzip footer size really is fixed. |
| 30 | #define GZIP_FOOTER_LEN 8 |