| /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only */ |
| |
| #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_ */ |