/* infutil.h -- types and macros common to blocks and codes * Copyright (C) 1995-1998 Mark Adler * For conditions of distribution and use, see copyright notice in zlib.h */ /* WARNING: this file should *not* be used by applications. It is part of the implementation of the compression library and is subject to change. Applications should only use zlib.h. */ #ifndef _INFUTIL_H #define _INFUTIL_H #include <linux/zlib.h> #ifdef CONFIG_ZLIB_DFLTCC #include "../zlib_dfltcc/dfltcc.h" #include <asm/page.h> #endif /* memory allocation for inflation */ struct inflate_workspace { struct inflate_state inflate_state; #ifdef CONFIG_ZLIB_DFLTCC struct dfltcc_state dfltcc_state; unsigned char working_window[(1 << MAX_WBITS) + PAGE_SIZE]; #else unsigned char working_window[(1 << MAX_WBITS)]; #endif }; #ifdef CONFIG_ZLIB_DFLTCC /* dfltcc_state must be doubleword aligned for DFLTCC call */ static_assert(offsetof(struct inflate_workspace, dfltcc_state) % 8 == 0); #endif #define WS(strm) ((struct inflate_workspace *)(strm->workspace)) #endif