mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 07:34:31 +00:00
7a32b98dac
Add a new config CONFIG_GZIP_ENABLED, if enabled, the uboot bin would include zlib's deflate method which could be used for compressing. Signed-off-by: Lei Wen <leiwen@marvell.com>
126 lines
3.3 KiB
C
126 lines
3.3 KiB
C
/* zutil.h -- internal interface and configuration of the compression library
|
|
* Copyright (C) 1995-2005 Jean-loup Gailly.
|
|
* 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"
|
|
|
|
#ifdef STDC
|
|
# ifndef _WIN32_WCE
|
|
# include <stddef.h>
|
|
# endif
|
|
# include <string.h>
|
|
# include <stdlib.h>
|
|
#endif
|
|
#ifdef NO_ERRNO_H
|
|
# ifdef _WIN32_WCE
|
|
/* The Microsoft C Run-Time Library for Windows CE doesn't have
|
|
* errno. We define it as a global variable to simplify porting.
|
|
* Its value is always 0 and should not be used. We rename it to
|
|
* avoid conflict with other libraries that use the same workaround.
|
|
*/
|
|
# define errno z_errno
|
|
# endif
|
|
extern int errno;
|
|
#else
|
|
# ifndef _WIN32_WCE
|
|
# include <errno.h>
|
|
# endif
|
|
#endif
|
|
|
|
#ifndef local
|
|
# define local static
|
|
#endif
|
|
/* 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;
|
|
|
|
extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
|
|
/* (size given to avoid silly warnings with Visual C++) */
|
|
|
|
#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
|
|
|
|
#define ERR_RETURN(strm,err) \
|
|
return (strm->msg = (char*)ERR_MSG(err), (err))
|
|
/* To be used only when the state is known to be valid */
|
|
|
|
/* common constants */
|
|
|
|
#ifndef DEF_WBITS
|
|
# define DEF_WBITS MAX_WBITS
|
|
#endif
|
|
/* default windowBits for decompression. MAX_WBITS is for compression only */
|
|
|
|
#if MAX_MEM_LEVEL >= 8
|
|
# define DEF_MEM_LEVEL 8
|
|
#else
|
|
# define DEF_MEM_LEVEL MAX_MEM_LEVEL
|
|
#endif
|
|
/* 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 */
|
|
|
|
/* functions */
|
|
#ifdef CONFIG_GZIP_COMPRESSED
|
|
#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
|
|
# define OS_CODE 0x03 /* assume Unix */
|
|
#endif
|
|
|
|
#include <linux/string.h>
|
|
#define zmemcpy memcpy
|
|
#define zmemcmp memcmp
|
|
#define zmemzero(dest, len) memset(dest, 0, len)
|
|
|
|
/* Diagnostic functions */
|
|
#ifdef DEBUG
|
|
/* Not valid for U-boot
|
|
# include <stdio.h> */
|
|
extern int z_verbose;
|
|
extern void z_error OF((char *m));
|
|
# define Assert(cond,msg) {if(!(cond)) z_error(msg);}
|
|
# define Trace(x) {if (z_verbose>=0) fprintf x ;}
|
|
# define Tracev(x) {if (z_verbose>0) fprintf x ;}
|
|
# define Tracevv(x) {if (z_verbose>1) fprintf x ;}
|
|
# define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
|
|
# define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
|
|
#else
|
|
# define Assert(cond,msg)
|
|
# define Trace(x)
|
|
# define Tracev(x)
|
|
# define Tracevv(x)
|
|
# define Tracec(c,x)
|
|
# define Tracecv(c,x)
|
|
#endif
|
|
|
|
|
|
voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
|
|
void zcfree OF((voidpf opaque, voidpf ptr, unsigned size));
|
|
|
|
#define ZALLOC(strm, items, size) \
|
|
(*((strm)->zalloc))((strm)->opaque, (items), (size))
|
|
#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr), 0)
|
|
#define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
|
|
|
|
#endif /* ZUTIL_H */
|