API tools faq
paste
Advertisement
Guest User

zutil.h

a guest
Sep 26th, 2014
41
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
C++ 7.61 KB | None | 0 0
raw download clone embed print report
  1. /* zutil.h -- internal interface and configuration of the compression library
  2.  * Copyright (C) 1995-2005 Jean-loup Gailly.
  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. #define ZLIB_INTERNAL
  17. #include "zlib.h"
  18.  
  19. #ifdef STDC
  20. #  ifndef _WIN32_WCE
  21. #    include <stddef.h>
  22. #  endif
  23. #  include <string.h>
  24. #  include <stdlib.h>
  25. #endif
  26. #ifdef NO_ERRNO_H
  27. #   ifdef _WIN32_WCE
  28.       /* The Microsoft C Run-Time Library for Windows CE doesn't have
  29.        * errno.  We define it as a global variable to simplify porting.
  30.        * Its value is always 0 and should not be used.  We rename it to
  31.        * avoid conflict with other libraries that use the same workaround.
  32.        */
  33. #     define errno z_errno
  34. #   endif
  35.     extern int errno;
  36. #else
  37. #  ifndef _WIN32_WCE
  38. #    include <errno.h>
  39. #  endif
  40. #endif
  41.  
  42. #ifndef local
  43. #  define local static
  44. #endif
  45. /* compile with -Dlocal if your debugger can't find static symbols */
  46.  
  47. typedef unsigned char  uch;
  48. typedef uch FAR uchf;
  49. typedef unsigned short ush;
  50. typedef ush FAR ushf;
  51. typedef unsigned long  ulg;
  52.  
  53. extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
  54. /* (size given to avoid silly warnings with Visual C++) */
  55.  
  56. #define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
  57.  
  58. #define ERR_RETURN(strm,err) \
  59.   return (strm->msg = (char*)ERR_MSG(err), (err))
  60. /* To be used only when the state is known to be valid */
  61.  
  62.         /* common constants */
  63.  
  64. #ifndef DEF_WBITS
  65. #  define DEF_WBITS MAX_WBITS
  66. #endif
  67. /* default windowBits for decompression. MAX_WBITS is for compression only */
  68.  
  69. #if MAX_MEM_LEVEL >= 8
  70. #  define DEF_MEM_LEVEL 8
  71. #else
  72. #  define DEF_MEM_LEVEL  MAX_MEM_LEVEL
  73. #endif
  74. /* default memLevel */
  75.  
  76. #define STORED_BLOCK 0
  77. #define STATIC_TREES 1
  78. #define DYN_TREES    2
  79. /* The three kinds of block type */
  80.  
  81. #define MIN_MATCH  3
  82. #define MAX_MATCH  258
  83. /* The minimum and maximum match lengths */
  84.  
  85. #define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
  86.  
  87.         /* target dependencies */
  88.  
  89. #if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
  90. #  define OS_CODE  0x00
  91. #  if defined(__TURBOC__) || defined(__BORLANDC__)
  92. #    if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
  93.        /* Allow compilation with ANSI keywords only enabled */
  94.        void _Cdecl farfree( void *block );
  95.        void *_Cdecl farmalloc( unsigned long nbytes );
  96. #    else
  97. #      include <alloc.h>
  98. #    endif
  99. #  else /* MSC or DJGPP */
  100. #    include <malloc.h>
  101. #  endif
  102. #endif
  103.  
  104. #ifdef AMIGA
  105. #  define OS_CODE  0x01
  106. #endif
  107.  
  108. #if defined(VAXC) || defined(VMS)
  109. #  define OS_CODE  0x02
  110. #  define F_OPEN(name, mode) \
  111.      fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
  112. #endif
  113.  
  114. #if defined(ATARI) || defined(atarist)
  115. #  define OS_CODE  0x05
  116. #endif
  117.  
  118. #ifdef OS2
  119. #  define OS_CODE  0x06
  120. #  ifdef M_I86
  121.      #include <malloc.h>
  122. #  endif
  123. #endif
  124.  
  125. #if defined(MACOS) || defined(TARGET_OS_MAC)
  126. #  define OS_CODE  0x07
  127. #  if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
  128. #    include <unix.h> /* for fdopen */
  129. #  else
  130. #    ifndef fdopen
  131. #      define fdopen(fd,mode) NULL /* No fdopen() */
  132. #    endif
  133. #  endif
  134. #endif
  135.  
  136. #ifdef TOPS20
  137. #  define OS_CODE  0x0a
  138. #endif
  139.  
  140. #ifdef WIN32
  141. #  ifndef __CYGWIN__  /* Cygwin is Unix, not Win32 */
  142. #    define OS_CODE  0x0b
  143. #  endif
  144. #endif
  145.  
  146. #ifdef __50SERIES /* Prime/PRIMOS */
  147. #  define OS_CODE  0x0f
  148. #endif
  149.  
  150. #if defined(_BEOS_) || defined(RISCOS)
  151. #  define fdopen(fd,mode) NULL /* No fdopen() */
  152. #endif
  153.  
  154. #if (defined(_MSC_VER) && (_MSC_VER > 600))
  155. #  if defined(_WIN32_WCE)
  156. #    define fdopen(fd,mode) NULL /* No fdopen() */
  157. #    ifndef _PTRDIFF_T_DEFINED
  158.        typedef int ptrdiff_t;
  159. #      define _PTRDIFF_T_DEFINED
  160. #    endif
  161. #  else
  162. #    define fdopen(fd,type)  _fdopen(fd,type)
  163. #  endif
  164. #endif
  165.  
  166.         /* common defaults */
  167.  
  168. #ifndef OS_CODE
  169. #  define OS_CODE  0x03  /* assume Unix */
  170. #endif
  171.  
  172. #ifndef F_OPEN
  173. #  define F_OPEN(name, mode) fopen((name), (mode))
  174. #endif
  175.  
  176. /* Diagnostic functions replace to fix vsprintf debug error */
  177. #ifdef DEBUG
  178. #  include <stdio.h>
  179.    extern int z_verbose;
  180.    extern void z_error    OF((char *m));
  181. #  define Assert(cond,msg) {if(!(cond)) z_error(msg);}
  182. #  define Trace(x) {if (z_verbose>=0) fprintf x ;}
  183. #  define Tracev(x) {if (z_verbose>0) fprintf x ;}
  184. #  define Tracevv(x) {if (z_verbose>1) fprintf x ;}
  185. #  define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
  186. #  define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
  187. #else
  188. #  define Assert(cond,msg)
  189. #  define Trace(x)
  190. #  define Tracev(x)
  191. #  define Tracevv(x)
  192. #  define Tracec(c,x)
  193. #  define Tracecv(c,x)
  194. #endif
  195.  
  196.          /* functions */
  197.  
  198. #if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
  199. #  ifndef HAVE_VSNPRINTF
  200. #    define HAVE_VSNPRINTF
  201. #  endif
  202. #endif
  203. #if defined(__CYGWIN__)
  204. #  ifndef HAVE_VSNPRINTF
  205. #    define HAVE_VSNPRINTF
  206. #  endif
  207. #endif
  208. #ifndef HAVE_VSNPRINTF
  209. #  ifdef MSDOS
  210.      /* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
  211.         but for now we just assume it doesn't. */
  212. #    define NO_vsnprintf
  213. #  endif
  214. #  ifdef __TURBOC__
  215. #    define NO_vsnprintf
  216. #  endif
  217. #  ifdef WIN32
  218.      /* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
  219. #    if !defined(vsnprintf) && !defined(NO_vsnprintf)
  220. #      define vsnprintf _vsnprintf
  221. #    endif
  222. #  endif
  223. #  ifdef __SASC
  224. #    define NO_vsnprintf
  225. #  endif
  226. #endif
  227. #ifdef VMS
  228. #  define NO_vsnprintf
  229. #endif
  230.  
  231. #if defined(pyr)
  232. #  define NO_MEMCPY
  233. #endif
  234. #if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
  235.  /* Use our own functions for small and medium model with MSC <= 5.0.
  236.   * You may have to use the same strategy for Borland C (untested).
  237.   * The __SC__ check is for Symantec.
  238.   */
  239. #  define NO_MEMCPY
  240. #endif
  241. #if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
  242. #  define HAVE_MEMCPY
  243. #endif
  244. #ifdef HAVE_MEMCPY
  245. #  ifdef SMALL_MEDIUM /* MSDOS small or medium model */
  246. #    define zmemcpy _fmemcpy
  247. #    define zmemcmp _fmemcmp
  248. #    define zmemzero(dest, len) _fmemset(dest, 0, len)
  249. #  else
  250. #    define zmemcpy memcpy
  251. #    define zmemcmp memcmp
  252. #    define zmemzero(dest, len) memset(dest, 0, len)
  253. #  endif
  254. #else
  255.    extern void zmemcpy  OF((Bytef* dest, const Bytef* source, uInt len));
  256.    extern int  zmemcmp  OF((const Bytef* s1, const Bytef* s2, uInt len));
  257.    extern void zmemzero OF((Bytef* dest, uInt len));
  258. #endif
  259.  
  260. /* Diagnostic functions
  261. #ifdef DEBUG
  262. #  include <stdio.h>
  263.    extern int z_verbose;
  264.    extern void z_error    OF((char *m));
  265. #  define Assert(cond,msg) {if(!(cond)) z_error(msg);}
  266. #  define Trace(x) {if (z_verbose>=0) fprintf x ;}
  267. #  define Tracev(x) {if (z_verbose>0) fprintf x ;}
  268. #  define Tracevv(x) {if (z_verbose>1) fprintf x ;}
  269. #  define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
  270. #  define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
  271. #else
  272. #  define Assert(cond,msg)
  273. #  define Trace(x)
  274. #  define Tracev(x)
  275. #  define Tracevv(x)
  276. #  define Tracec(c,x)
  277. #  define Tracecv(c,x)
  278. #endif
  279. */
  280.  
  281.  
  282. voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
  283. void   zcfree  OF((voidpf opaque, voidpf ptr));
  284.  
  285. #define ZALLOC(strm, items, size) \
  286.            (*((strm)->zalloc))((strm)->opaque, (items), (size))
  287. #define ZFREE(strm, addr)  (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
  288. #define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
  289.  
  290. #endif /* ZUTIL_H */
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!