CloverBootloader/Library/OcCompressionLib/zlib/zutil.h
2020-07-09 22:06:48 +03:00

87 lines
2.4 KiB
C

/* zutil.h -- internal interface and configuration of the compression library
* Copyright (C) 1995-2016 Jean-loup Gailly, 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.
*/
/* @(#) $Id$ */
#ifndef ZUTIL_H
#define ZUTIL_H
#define ZLIB_INTERNAL
#include "zlib.h"
#define local static
/* since "static" is used to mean two completely different things in C, we
define "local" for the non-static meaning of "static", for readability
(compile with -Dlocal if your debugger can't find static symbols) */
typedef unsigned char uch;
typedef uch FAR uchf;
typedef unsigned short ush;
typedef ush FAR ushf;
typedef unsigned long ulg;
#define ERR_MSG(err) NULL
#define ERR_RETURN(strm,err) \
return (strm->msg = NULL, (err))
/* To be used only when the state is known to be valid */
/* common constants */
#define DEF_WBITS MAX_WBITS
/* default windowBits for decompression. MAX_WBITS is for compression only */
#define DEF_MEM_LEVEL 8
/* default memLevel */
#define STORED_BLOCK 0
#define STATIC_TREES 1
#define DYN_TREES 2
/* The three kinds of block type */
#define MIN_MATCH 3
#define MAX_MATCH 258
/* The minimum and maximum match lengths */
#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
/* target dependencies */
#define OS_CODE 3 /* assume Unix */
#define zmemcpy(Dst, Src, Size) CopyMem ((Dst), (Src), (Size))
#define zmemcmp(Ptr1, Ptr2, Size) CompareMem ((Ptr1), (Ptr2), (Size))
#define zmemzero(Dst, Size) ZeroMem ((Dst), (Size))
/* Diagnostic functions */
#define Assert(cond,msg)
#define Trace(x)
#define Tracev(x)
#define Tracevv(x)
#define Tracec(c,x)
#define Tracecv(c,x)
voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,
unsigned size));
void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr));
#define ZALLOC(strm, items, size) \
(*((strm)->zalloc))((strm)->opaque, (items), (size))
#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
#define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
/* Reverse the bytes in a 32-bit value */
#define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \
(((q) & 0xff00) << 8) + (((q) & 0xff) << 24))
#endif /* ZUTIL_H */