[pcsx_rearmed.git] / deps / libchdr / deps / zlib-1.2.11 / zutil.h

/* 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

#ifdef HAVE_HIDDEN
#  define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
#else
#  define ZLIB_INTERNAL
#endif

#include "zlib.h"

#if defined(STDC) && !defined(Z_SOLO)
#  if !(defined(_WIN32_WCE) && defined(_MSC_VER))
#    include <stddef.h>
#  endif
#  include <string.h>
#  include <stdlib.h>
#endif

#ifdef Z_SOLO
   typedef long ptrdiff_t;  /* guess -- will be caught if guess is wrong */
#endif

#ifndef local
#  define local static
#endif
/* 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;

extern z_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 = 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
#  ifndef Z_SOLO
#    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
#endif

#ifdef AMIGA
#  define OS_CODE  1
#endif

#if defined(VAXC) || defined(VMS)
#  define OS_CODE  2
#  define F_OPEN(name, mode) \
     fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
#endif

#ifdef __370__
#  if __TARGET_LIB__ < 0x20000000
#    define OS_CODE 4
#  elif __TARGET_LIB__ < 0x40000000
#    define OS_CODE 11
#  else
#    define OS_CODE 8
#  endif
#endif

#if defined(ATARI) || defined(atarist)
#  define OS_CODE  5
#endif

#ifdef OS2
#  define OS_CODE  6
#  if defined(M_I86) && !defined(Z_SOLO)
#    include <malloc.h>
#  endif
#endif

#if defined(MACOS) || defined(TARGET_OS_MAC)
#  define OS_CODE  7
#  ifndef Z_SOLO
#    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
#endif

#ifdef __acorn
#  define OS_CODE 13
#endif

#if defined(WIN32) && !defined(__CYGWIN__)
#  define OS_CODE  10
#endif

#ifdef _BEOS_
#  define OS_CODE  16
#endif

#ifdef __TOS_OS400__
#  define OS_CODE 18
#endif

#ifdef __APPLE__
#  define OS_CODE 19
#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__) && !defined(MSDOS)
  #pragma warn -8004
  #pragma warn -8008
  #pragma warn -8066
#endif

/* provide prototypes for these when building zlib without LFS */
#if !defined(_WIN32) && \
    (!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  3     /* assume Unix */
#endif

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

         /* functions */

#if defined(pyr) || defined(Z_SOLO)
#  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 ZLIB_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

#ifndef Z_SOLO
   voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,
                                    unsigned size));
   void ZLIB_INTERNAL zcfree  OF((voidpf opaque, voidpf ptr));
#endif

#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 */
Commit	Line	Data
b24e7fce	1	/* zutil.h -- internal interface and configuration of the compression library
	2	* Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler
	3	* For conditions of distribution and use, see copyright notice in zlib.h
	4	*/
	5
	6	/* WARNING: this file should not be used by applications. It is
	7	part of the implementation of the compression library and is
	8	subject to change. Applications should only use zlib.h.
	9	*/
	10
	11	/* @(#) $Id$ */
	12
	13	#ifndef ZUTIL_H
	14	#define ZUTIL_H
	15
	16	#ifdef HAVE_HIDDEN
	17	# define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
	18	#else
	19	# define ZLIB_INTERNAL
	20	#endif
	21
	22	#include "zlib.h"
	23
	24	#if defined(STDC) && !defined(Z_SOLO)
	25	# if !(defined(_WIN32_WCE) && defined(_MSC_VER))
	26	# include <stddef.h>
	27	# endif
	28	# include <string.h>
	29	# include <stdlib.h>
	30	#endif
	31
	32	#ifdef Z_SOLO
	33	typedef long ptrdiff_t; /* guess -- will be caught if guess is wrong */
	34	#endif
	35
	36	#ifndef local
	37	# define local static
	38	#endif
	39	/* since "static" is used to mean two completely different things in C, we
	40	define "local" for the non-static meaning of "static", for readability
	41	(compile with -Dlocal if your debugger can't find static symbols) */
	42
	43	typedef unsigned char uch;
	44	typedef uch FAR uchf;
	45	typedef unsigned short ush;
	46	typedef ush FAR ushf;
	47	typedef unsigned long ulg;
	48
	49	extern z_const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
	50	/* (size given to avoid silly warnings with Visual C++) */
	51
	52	#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
	53
	54	#define ERR_RETURN(strm,err) \
	55	return (strm->msg = ERR_MSG(err), (err))
	56	/* To be used only when the state is known to be valid */
	57
	58	/* common constants */
	59
	60	#ifndef DEF_WBITS
	61	# define DEF_WBITS MAX_WBITS
	62	#endif
	63	/* default windowBits for decompression. MAX_WBITS is for compression only */
	64
65	#if MAX_MEM_LEVEL >= 8
66	# define DEF_MEM_LEVEL 8
67	#else
68	# define DEF_MEM_LEVEL MAX_MEM_LEVEL
69	#endif
70	/* default memLevel */
71
72	#define STORED_BLOCK 0
73	#define STATIC_TREES 1
74	#define DYN_TREES 2
75	/* The three kinds of block type */
76
77	#define MIN_MATCH 3
78	#define MAX_MATCH 258
79	/* The minimum and maximum match lengths */
80
81	#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
82
83	/* target dependencies */
84
85	#if defined(MSDOS) \|\| (defined(WINDOWS) && !defined(WIN32))
86	# define OS_CODE 0x00
87	# ifndef Z_SOLO
88	# if defined(__TURBOC__) \|\| defined(__BORLANDC__)
89	# if (__STDC__ == 1) && (defined(__LARGE__) \|\| defined(__COMPACT__))
90	/* Allow compilation with ANSI keywords only enabled */
91	void _Cdecl farfree( void *block );
92	void *_Cdecl farmalloc( unsigned long nbytes );
93	# else
94	# include <alloc.h>
95	# endif
96	# else /* MSC or DJGPP */
97	# include <malloc.h>
98	# endif
99	# endif
100	#endif
101
102	#ifdef AMIGA
103	# define OS_CODE 1
104	#endif
105
106	#if defined(VAXC) \|\| defined(VMS)
107	# define OS_CODE 2
108	# define F_OPEN(name, mode) \
109	fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
110	#endif
111
112	#ifdef __370__
113	# if __TARGET_LIB__ < 0x20000000
114	# define OS_CODE 4
115	# elif __TARGET_LIB__ < 0x40000000
116	# define OS_CODE 11
117	# else
118	# define OS_CODE 8
119	# endif
120	#endif
121
122	#if defined(ATARI) \|\| defined(atarist)
123	# define OS_CODE 5
124	#endif
125
126	#ifdef OS2
127	# define OS_CODE 6
128	# if defined(M_I86) && !defined(Z_SOLO)
129	# include <malloc.h>
130	# endif
131	#endif
132
133	#if defined(MACOS) \|\| defined(TARGET_OS_MAC)
134	# define OS_CODE 7
135	# ifndef Z_SOLO
136	# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
137	# include <unix.h> /* for fdopen */
138	# else
139	# ifndef fdopen
140	# define fdopen(fd,mode) NULL /* No fdopen() */
141	# endif
142	# endif
143	# endif
144	#endif
145
146	#ifdef __acorn
147	# define OS_CODE 13
148	#endif
149
150	#if defined(WIN32) && !defined(__CYGWIN__)
151	# define OS_CODE 10
152	#endif
153
154	#ifdef _BEOS_
155	# define OS_CODE 16
156	#endif
157
158	#ifdef __TOS_OS400__
159	# define OS_CODE 18
160	#endif
161
162	#ifdef __APPLE__
163	# define OS_CODE 19
164	#endif
165
166	#if defined(_BEOS_) \|\| defined(RISCOS)
167	# define fdopen(fd,mode) NULL /* No fdopen() */
168	#endif
169
170	#if (defined(_MSC_VER) && (_MSC_VER > 600)) && !defined __INTERIX
171	# if defined(_WIN32_WCE)
172	# define fdopen(fd,mode) NULL /* No fdopen() */
173	# ifndef _PTRDIFF_T_DEFINED
174	typedef int ptrdiff_t;
175	# define _PTRDIFF_T_DEFINED
176	# endif
177	# else
178	# define fdopen(fd,type) _fdopen(fd,type)
179	# endif
180	#endif
181
182	#if defined(__BORLANDC__) && !defined(MSDOS)
183	#pragma warn -8004
184	#pragma warn -8008
185	#pragma warn -8066
186	#endif
187
188	/* provide prototypes for these when building zlib without LFS */
189	#if !defined(_WIN32) && \
190	(!defined(_LARGEFILE64_SOURCE) \|\| _LFS64_LARGEFILE-0 == 0)
191	ZEXTERN uLong ZEXPORT adler32_combine64 OF((uLong, uLong, z_off_t));
192	ZEXTERN uLong ZEXPORT crc32_combine64 OF((uLong, uLong, z_off_t));
193	#endif
194
195	/* common defaults */
196
197	#ifndef OS_CODE
198	# define OS_CODE 3 /* assume Unix */
199	#endif
200
201	#ifndef F_OPEN
202	# define F_OPEN(name, mode) fopen((name), (mode))
203	#endif
204
205	/* functions */
206
207	#if defined(pyr) \|\| defined(Z_SOLO)
208	# define NO_MEMCPY
209	#endif
210	#if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
211	/* Use our own functions for small and medium model with MSC <= 5.0.
212	* You may have to use the same strategy for Borland C (untested).
213	* The __SC__ check is for Symantec.
214	*/
215	# define NO_MEMCPY
216	#endif
217	#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
218	# define HAVE_MEMCPY
219	#endif
220	#ifdef HAVE_MEMCPY
221	# ifdef SMALL_MEDIUM /* MSDOS small or medium model */
222	# define zmemcpy _fmemcpy
223	# define zmemcmp _fmemcmp
224	# define zmemzero(dest, len) _fmemset(dest, 0, len)
225	# else
226	# define zmemcpy memcpy
227	# define zmemcmp memcmp
228	# define zmemzero(dest, len) memset(dest, 0, len)
229	# endif
230	#else
231	void ZLIB_INTERNAL zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
232	int ZLIB_INTERNAL zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
233	void ZLIB_INTERNAL zmemzero OF((Bytef* dest, uInt len));
234	#endif
235
236	/* Diagnostic functions */
237	#ifdef ZLIB_DEBUG
238	# include <stdio.h>
239	extern int ZLIB_INTERNAL z_verbose;
240	extern void ZLIB_INTERNAL z_error OF((char *m));
241	# define Assert(cond,msg) {if(!(cond)) z_error(msg);}
242	# define Trace(x) {if (z_verbose>=0) fprintf x ;}
243	# define Tracev(x) {if (z_verbose>0) fprintf x ;}
244	# define Tracevv(x) {if (z_verbose>1) fprintf x ;}
245	# define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
246	# define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
247	#else
248	# define Assert(cond,msg)
249	# define Trace(x)
250	# define Tracev(x)
251	# define Tracevv(x)
252	# define Tracec(c,x)
253	# define Tracecv(c,x)
254	#endif
255
256	#ifndef Z_SOLO
257	voidpf ZLIB_INTERNAL zcalloc OF((voidpf opaque, unsigned items,
258	unsigned size));
259	void ZLIB_INTERNAL zcfree OF((voidpf opaque, voidpf ptr));
260	#endif
261
262	#define ZALLOC(strm, items, size) \
263	(*((strm)->zalloc))((strm)->opaque, (items), (size))
264	#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
265	#define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
266
267	/* Reverse the bytes in a 32-bit value */
268	#define ZSWAP32(q) ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \
269	(((q) & 0xff00) << 8) + (((q) & 0xff) << 24))
270
271	#endif /* ZUTIL_H */