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Diffstat (limited to 'lib/zlib/zutil.h')
| -rw-r--r-- | lib/zlib/zutil.h | 121 | 
1 files changed, 121 insertions, 0 deletions
| diff --git a/lib/zlib/zutil.h b/lib/zlib/zutil.h new file mode 100644 index 000000000..46522c8e6 --- /dev/null +++ b/lib/zlib/zutil.h @@ -0,0 +1,121 @@ +/* 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 */ + +#include <linux/string.h> +#define zmemcpy memcpy +#define zmemcmp memcmp +#define zmemzero(dest, len) memset(dest, 0, len) + +/* Diagnostic functions */ +#ifdef DEBUG +#  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 */ |