kc3-lang/freetype/src/gzip/zutil.h

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• Hash : 3f9b78fc
  Author :
  Date : 2022-01-10T18:19:41
  

  [zlib] Don't typedef `ptrdiff_t`. While using zlib in 'solo' mode (via the `Z_SOLO` macro), we actually include some standard header files, making the typedef fail on systems where the native `ptrdiff_t` type differs. Fixes #1124. * src/zlib/zutil.h: Comment out definition; it doesn't work on Windows. * src/zlib/patches/freetype-zlib.diff: Updated.

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• src/gzip/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
  #  ifndef Z_FREETYPE
     typedef long ptrdiff_t;  /* guess -- will be caught if guess is wrong */
  #  endif
  #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
  
  #ifndef Z_FREETYPE
  
  /* 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
  
  #endif  /* !Z_FREETYPE */
  
          /* 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 ft_memcpy
  #    define zmemcmp ft_memcmp
  #    define zmemzero(dest, len) ft_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 */
  

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