| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2016 Google Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef _COMMONLIB_COMPRESSION_H_ |
| #define _COMMONLIB_COMPRESSION_H_ |
| |
| #include <stddef.h> |
| |
| /* Decompresses an LZ4F image (multiple LZ4 blocks with frame header) from src |
| * to dst, ensuring that it doesn't read more than srcn bytes and doesn't write |
| * more than dstn. Buffer sizes must stay below 2GB. Can decompress files loaded |
| * to the end of a buffer in-place, as long as buffer is larger than the final |
| * output size. (Usually just a few bytes, but may be up to (8 + dstn/255) in |
| * worst case. Will reliably return an error if buffer was too small.) |
| * Returns amount of decompressed bytes, or 0 on error. |
| */ |
| size_t ulz4fn(const void *src, size_t srcn, void *dst, size_t dstn); |
| |
| /* Same as ulz4fn() but does not perform any bounds checks. */ |
| size_t ulz4f(const void *src, void *dst); |
| |
| #endif /* _COMMONLIB_COMPRESSION_H_ */ |