The Tor Browser: modules/zlib/src/zutil.h@b8a032363ba2 (annotated)

modules/zlib/src/zutil.h@b8a032363ba2 (annotated)

modules/zlib/src/zutil.h

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* zutil.h -- internal interface and configuration of the compression library
  * Copyright (C) 1995-2013 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
 #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
 /* 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  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
 #  if defined(M_I86) && !defined(Z_SOLO)
 #    include <malloc.h>
 #  endif
 #endif
 #if defined(MACOS) || defined(TARGET_OS_MAC)
 #  define OS_CODE  0x07
 #  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 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__) && !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  0x03  /* 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
 /* Ignore the Mozilla build env's DEBUG unless ZLIB_DEBUG is also set. */
 #ifndef ZLIB_DEBUG
 #undef DEBUG
 #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
 #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 */

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modules/zlib/src/zutil.h@b8a032363ba2 (annotated)

modules/zlib/src/zutil.h