gzguts.h | Explore in Territory

/* gzguts.h -- zlib internal header definitions for gz* operations
 * Copyright (C) 2004-2024 Mark Adler
 * For conditions of distribution and use, see copyright notice in zlib.h
 */

#ifdef _LARGEFILE64_SOURCE
#  ifndef _LARGEFILE_SOURCE
#define _LARGEFILE_SOURCE …
#  endif
#  undef _FILE_OFFSET_BITS
#  undef _TIME_BITS
#endif

#ifdef HAVE_HIDDEN
#define ZLIB_INTERNAL …
#else
#define ZLIB_INTERNAL
#endif

#include <stdio.h>
#include "zlib.h"
#ifdef STDC
#  include <string.h>
#  include <stdlib.h>
#  include <limits.h>
#endif

#ifndef _POSIX_SOURCE
#define _POSIX_SOURCE
#endif
#include <fcntl.h>

#ifdef _WIN32
#  include <stddef.h>
#endif

#if defined(__TURBOC__) || defined(_MSC_VER) || defined(_WIN32)
#  include <io.h>
#endif

#if defined(_WIN32)
#define WIDECHAR
#endif

#ifdef WINAPI_FAMILY
#define open …
#define read …
#define write …
#define close …
#endif

#ifdef NO_DEFLATE       /* for compatibility with old definition */
#define NO_GZCOMPRESS
#endif

#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

#if defined(MSDOS) && defined(__BORLANDC__) && (BORLANDC > 0x410)
#  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 …
#      endif
#    endif
#  endif
#  ifdef __SASC
#define NO_vsnprintf
#  endif
#  ifdef VMS
#define NO_vsnprintf
#  endif
#  ifdef __OS400__
#define NO_vsnprintf
#  endif
#  ifdef __MVS__
#define NO_vsnprintf
#  endif
#endif

/* unlike snprintf (which is required in C99), _snprintf does not guarantee
   null termination of the result -- however this is only used in gzlib.c where
   the result is assured to fit in the space provided */
#if defined(_MSC_VER) && _MSC_VER < 1900
#define snprintf …
#endif

#ifndef local
#define local …
#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) */

/* gz* functions always use library allocation functions */
#ifndef STDC
  extern voidp  malloc(uInt size);
  extern void   free(voidpf ptr);
#endif

/* get errno and strerror definition */
#if defined UNDER_CE
#  include <windows.h>
#define zstrerror …
#else
#  ifndef NO_STRERROR
#    include <errno.h>
#define zstrerror() …
#  else
#define zstrerror …
#  endif
#endif

/* provide prototypes for these when building zlib without LFS */
#if !defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0
    ZEXTERN gzFile ZEXPORT gzopen64(const char *, const char *);
    ZEXTERN z_off64_t ZEXPORT gzseek64(gzFile, z_off64_t, int);
    ZEXTERN z_off64_t ZEXPORT gztell64(gzFile);
    ZEXTERN z_off64_t ZEXPORT gzoffset64(gzFile);
#endif

/* default memLevel */
#if MAX_MEM_LEVEL >= 8
#define DEF_MEM_LEVEL …
#else
#define DEF_MEM_LEVEL …
#endif

/* default i/o buffer size -- double this for output when reading (this and
   twice this must be able to fit in an unsigned type) */
#define GZBUFSIZE …

/* gzip modes, also provide a little integrity check on the passed structure */
#define GZ_NONE …
#define GZ_READ …
#define GZ_WRITE …
#define GZ_APPEND …

/* values for gz_state how */
#define LOOK …
#define COPY …
#define GZIP …

/* internal gzip file state data structure */
gz_state;
gz_statep;

/* shared functions */
void ZLIB_INTERNAL gz_error(gz_statep, int, const char *);
#if defined UNDER_CE
char ZLIB_INTERNAL *gz_strwinerror(DWORD error);
#endif

/* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t
   value -- needed when comparing unsigned to z_off64_t, which is signed
   (possible z_off64_t types off_t, off64_t, and long are all signed) */
unsigned ZLIB_INTERNAL gz_intmax(void);
#define GT_OFF(x) …
godot/thirdparty/zlib/gzguts.h
