| #ifndef ZSTD_WRAPPER_H |
| #define ZSTD_WRAPPER_H |
| /* |
| * Squashfs |
| * |
| * Copyright (c) 2017 |
| * Phillip Lougher <phillip@squashfs.org.uk> |
| * |
| * 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; either version 2, |
| * or (at your option) any later version. |
| * |
| * 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. |
| * |
| * zstd_wrapper.h |
| * |
| */ |
| |
| #ifndef linux |
| #define __BYTE_ORDER BYTE_ORDER |
| #define __BIG_ENDIAN BIG_ENDIAN |
| #define __LITTLE_ENDIAN LITTLE_ENDIAN |
| #else |
| #include <endian.h> |
| #endif |
| |
| #if __BYTE_ORDER == __BIG_ENDIAN |
| extern unsigned int inswap_le16(unsigned short); |
| extern unsigned int inswap_le32(unsigned int); |
| |
| #define SQUASHFS_INSWAP_COMP_OPTS(s) { \ |
| (s)->compression_level = inswap_le32((s)->compression_level); \ |
| } |
| #else |
| #define SQUASHFS_INSWAP_COMP_OPTS(s) |
| #endif |
| |
| /* Default compression */ |
| #define ZSTD_DEFAULT_COMPRESSION_LEVEL 15 |
| |
| struct zstd_comp_opts { |
| int compression_level; |
| }; |
| #endif |
