zutil.h - platform/external/zlib - Gitiles

 /* zutil.h -- internal interface and configuration of the compression library
  * Copyright (C) 1995-2010 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

 #if ((__GNUC__-0) * 10 + __GNUC_MINOR__-0 >= 33) && !defined(NO_VIZ)
 #  define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
 #else
 #  define ZLIB_INTERNAL
 #endif

 #include "zlib.h"

 #ifdef STDC
 #  if !(defined(_WIN32_WCE) && defined(_MSC_VER))
 #    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 */

 #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */

         /* target dependencies */

 #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
 #  define OS_CODE  0x00
 #  if defined(__TURBOC__) || defined(__BORLANDC__)
 #    if (__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
        /* Allow compilation with ANSI keywords only enabled */
        void _Cdecl farfree( void *block );
        void *_Cdecl farmalloc( unsigned long nbytes );
 #    else
 #      include <alloc.h>
 #    endif
 #  else /* MSC or DJGPP */
 #    include <malloc.h>
 #  endif
 #endif

 #ifdef AMIGA
 #  define OS_CODE  0x01
 #endif

 #if defined(VAXC) || defined(VMS)
 #  define OS_CODE  0x02
 #  define F_OPEN(name, mode) \
      fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
 #endif

 #if defined(ATARI) || defined(atarist)
 #  define OS_CODE  0x05
 #endif

 #ifdef OS2
 #  define OS_CODE  0x06
 #  ifdef M_I86
 #    include <malloc.h>
 #  endif
 #endif

 #if defined(MACOS) || defined(TARGET_OS_MAC)
 #  define OS_CODE  0x07
 #  if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
 #    include <unix.h> /* for fdopen */
 #  else
 #    ifndef fdopen
 #      define fdopen(fd,mode) NULL /* No fdopen() */
 #    endif
 #  endif
 #endif

 #ifdef TOPS20
 #  define OS_CODE  0x0a
 #endif

 #ifdef WIN32
 #  ifndef __CYGWIN__  /* Cygwin is Unix, not Win32 */
 #    define OS_CODE  0x0b
 #  endif
 #endif

 #ifdef __50SERIES /* Prime/PRIMOS */
 #  define OS_CODE  0x0f
 #endif

 #if defined(_BEOS_) || defined(RISCOS)
 #  define fdopen(fd,mode) NULL /* No fdopen() */
 #endif

 #if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX
 #  if defined(_WIN32_WCE)
 #    define fdopen(fd,mode) NULL /* No fdopen() */
 #    ifndef _PTRDIFF_T_DEFINED
        typedef int ptrdiff_t;
 #      define _PTRDIFF_T_DEFINED
 #    endif
 #  else
 #    define fdopen(fd,type)  _fdopen(fd,type)
 #  endif
 #endif

 #if defined(__BORLANDC__)
   #pragma warn -8004
   #pragma warn -8008
   #pragma warn -8066
 #endif

 /* provide prototypes for these when building zlib without LFS */
 #if !defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0
     ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));
     ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
 #endif

         /* common defaults */

 #ifndef OS_CODE
 #  define OS_CODE  0x03  /* assume Unix */
 #endif

 #ifndef F_OPEN
 #  define F_OPEN(name, mode) fopen((name), (mode))
 #endif

          /* functions */

 #if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
 #  ifndef HAVE_VSNPRINTF
 #    define HAVE_VSNPRINTF
 #  endif
 #endif
 #if defined(__CYGWIN__)
 #  ifndef HAVE_VSNPRINTF
 #    define HAVE_VSNPRINTF
 #  endif
 #endif
 #ifndef HAVE_VSNPRINTF
 #  ifdef MSDOS
      /* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
         but for now we just assume it doesn't. */
 #    define NO_vsnprintf
 #  endif
 #  ifdef __TURBOC__
 #    define NO_vsnprintf
 #  endif
 #  ifdef WIN32
      /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
 #    if !defined(vsnprintf) && !defined(NO_vsnprintf)
 #      if !defined(_MSC_VER) || ( defined(_MSC_VER) && _MSC_VER < 1500 )
 #         define vsnprintf _vsnprintf
 #      endif
 #    endif
 #  endif
 #  ifdef __SASC
 #    define NO_vsnprintf
 #  endif
 #endif
 #ifdef VMS
 #  define NO_vsnprintf
 #endif

 #if defined(pyr)
 #  define NO_MEMCPY
 #endif
 #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
  /* Use our own functions for small and medium model with MSC <= 5.0.
   * You may have to use the same strategy for Borland C (untested).
   * The __SC__ check is for Symantec.
   */
 #  define NO_MEMCPY
 #endif
 #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
 #  define HAVE_MEMCPY
 #endif
 #ifdef HAVE_MEMCPY
 #  ifdef SMALL_MEDIUM /* MSDOS small or medium model */
 #    define zmemcpy _fmemcpy
 #    define zmemcmp _fmemcmp
 #    define zmemzero(dest, len) _fmemset(dest, 0, len)
 #  else
 #    define zmemcpy memcpy
 #    define zmemcmp memcmp
 #    define zmemzero(dest, len) memset(dest, 0, len)
 #  endif
 #else
    void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
    int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
    void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len));
 #endif

 /* Diagnostic functions */
 #ifdef DEBUG
 #  include <stdio.h>
    extern int ZLIB_INTERNAL z_verbose;
    extern void ZLIB_INTERNAL 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 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);}

 #endif /* ZUTIL_H */
	/* zutil.h -- internal interface and configuration of the compression library
	* Copyright (C) 1995-2010 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

	#if ((__GNUC__-0) * 10 + __GNUC_MINOR__-0 >= 33) && !defined(NO_VIZ)
	# define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
	#else
	# define ZLIB_INTERNAL
	#endif

	#include "zlib.h"

	#ifdef STDC
	# if !(defined(_WIN32_WCE) && defined(_MSC_VER))
	# 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 */

	#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */

	/* target dependencies */

	#if defined(MSDOS) \|\| (defined(WINDOWS) && !defined(WIN32))
	# define OS_CODE 0x00
	# if defined(__TURBOC__) \|\| defined(__BORLANDC__)
	# if (__STDC__ == 1) && (defined(__LARGE__) \|\| defined(__COMPACT__))
	/* Allow compilation with ANSI keywords only enabled */
	void _Cdecl farfree( void *block );
	void *_Cdecl farmalloc( unsigned long nbytes );
	# else
	# include <alloc.h>
	# endif
	# else /* MSC or DJGPP */
	# include <malloc.h>
	# endif
	#endif

	#ifdef AMIGA
	# define OS_CODE 0x01
	#endif

	#if defined(VAXC) \|\| defined(VMS)
	# define OS_CODE 0x02
	# define F_OPEN(name, mode) \
	fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
	#endif

	#if defined(ATARI) \|\| defined(atarist)
	# define OS_CODE 0x05
	#endif

	#ifdef OS2
	# define OS_CODE 0x06
	# ifdef M_I86
	# include <malloc.h>
	# endif
	#endif

	#if defined(MACOS) \|\| defined(TARGET_OS_MAC)
	# define OS_CODE 0x07
	# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
	# include <unix.h> /* for fdopen */
	# else
	# ifndef fdopen
	# define fdopen(fd,mode) NULL /* No fdopen() */
	# endif
	# endif
	#endif

	#ifdef TOPS20
	# define OS_CODE 0x0a
	#endif

	#ifdef WIN32
	# ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */
	# define OS_CODE 0x0b
	# endif
	#endif

	#ifdef __50SERIES /* Prime/PRIMOS */
	# define OS_CODE 0x0f
	#endif

	#if defined(_BEOS_) \|\| defined(RISCOS)
	# define fdopen(fd,mode) NULL /* No fdopen() */
	#endif

	#if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX
	# if defined(_WIN32_WCE)
	# define fdopen(fd,mode) NULL /* No fdopen() */
	# ifndef _PTRDIFF_T_DEFINED
	typedef int ptrdiff_t;
	# define _PTRDIFF_T_DEFINED
	# endif
	# else
	# define fdopen(fd,type) _fdopen(fd,type)
	# endif
	#endif

	#if defined(__BORLANDC__)
	#pragma warn -8004
	#pragma warn -8008
	#pragma warn -8066
	#endif

	/* provide prototypes for these when building zlib without LFS */
	#if !defined(_LARGEFILE64_SOURCE) \|\| _LFS64_LARGEFILE-0 == 0
	ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));
	ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
	#endif

	/* common defaults */

	#ifndef OS_CODE
	# define OS_CODE 0x03 /* assume Unix */
	#endif

	#ifndef F_OPEN
	# define F_OPEN(name, mode) fopen((name), (mode))
	#endif

	/* functions */

	#if defined(STDC99) \|\| (defined(__TURBOC__) && __TURBOC__ >= 0x550)
	# ifndef HAVE_VSNPRINTF
	# define HAVE_VSNPRINTF
	# endif
	#endif
	#if defined(__CYGWIN__)
	# ifndef HAVE_VSNPRINTF
	# define HAVE_VSNPRINTF
	# endif
	#endif
	#ifndef HAVE_VSNPRINTF
	# ifdef MSDOS
	/* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
	but for now we just assume it doesn't. */
	# define NO_vsnprintf
	# endif
	# ifdef __TURBOC__
	# define NO_vsnprintf
	# endif
	# ifdef WIN32
	/* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
	# if !defined(vsnprintf) && !defined(NO_vsnprintf)
	# if !defined(_MSC_VER) \|\| ( defined(_MSC_VER) && _MSC_VER < 1500 )
	# define vsnprintf _vsnprintf
	# endif
	# endif
	# endif
	# ifdef __SASC
	# define NO_vsnprintf
	# endif
	#endif
	#ifdef VMS
	# define NO_vsnprintf
	#endif

	#if defined(pyr)
	# define NO_MEMCPY
	#endif
	#if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
	/* Use our own functions for small and medium model with MSC <= 5.0.
	* You may have to use the same strategy for Borland C (untested).
	* The __SC__ check is for Symantec.
	*/
	# define NO_MEMCPY
	#endif
	#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
	# define HAVE_MEMCPY
	#endif
	#ifdef HAVE_MEMCPY
	# ifdef SMALL_MEDIUM /* MSDOS small or medium model */
	# define zmemcpy _fmemcpy
	# define zmemcmp _fmemcmp
	# define zmemzero(dest, len) _fmemset(dest, 0, len)
	# else
	# define zmemcpy memcpy
	# define zmemcmp memcmp
	# define zmemzero(dest, len) memset(dest, 0, len)
	# endif
	#else
	void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
	int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
	void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len));
	#endif

	/* Diagnostic functions */
	#ifdef DEBUG
	# include <stdio.h>
	extern int ZLIB_INTERNAL z_verbose;
	extern void ZLIB_INTERNAL 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 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);}

	#endif /* ZUTIL_H */