Ventoy/SQUASHFS/squashfs-tools-4.4/squashfs-tools/zstd_wrapper.h

49 lines
1.2 KiB
C

#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