ceph/src/zstd/zlibWrapper/gzcompatibility.h

   1 /*
   2  * Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
   3  * All rights reserved.
   4  *
   5  * This source code is licensed under both the BSD-style license (found in the
   6  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
   7  * in the COPYING file in the root directory of this source tree).
   8  * You may select, at your option, one of the above-listed licenses.
   9  */
  10
  11
  12
  13 #if ZLIB_VERNUM <= 0x1240
  14 ZEXTERN int ZEXPORT gzclose_r OF((gzFile file));
  15 ZEXTERN int ZEXPORT gzclose_w OF((gzFile file));
  16 ZEXTERN int ZEXPORT gzbuffer OF((gzFile file, unsigned size));
  17 ZEXTERN z_off_t ZEXPORT gzoffset OF((gzFile file));
  18
  19 #if !defined(_WIN32) && defined(Z_LARGE64)
  20 #  define z_off64_t off64_t
  21 #else
  22 #  if defined(_WIN32) && !defined(__GNUC__) && !defined(Z_SOLO)
  23 #    define z_off64_t __int64
  24 #  else
  25 #    define z_off64_t z_off_t
  26 #  endif
  27 #endif
  28 #endif
  29
  30
  31 #if ZLIB_VERNUM <= 0x1250
  32 struct gzFile_s {
  33     unsigned have;
  34     unsigned char *next;
  35     z_off64_t pos;
  36 };
  37 #endif
  38
  39
  40 #if ZLIB_VERNUM <= 0x1270
  41 #if defined(_WIN32) && !defined(Z_SOLO)
  42 #    include <stddef.h>         /* for wchar_t */
  43 ZEXTERN gzFile         ZEXPORT gzopen_w OF((const wchar_t *path,
  44                                             const char *mode));
  45 #endif
  46 #endif
  47
  48
  49 #if ZLIB_VERNUM < 0x12B0
  50 #ifdef Z_SOLO
  51    typedef unsigned long z_size_t;
  52 #else
  53 #  define z_longlong long long
  54 #  if defined(NO_SIZE_T)
  55      typedef unsigned NO_SIZE_T z_size_t;
  56 #  elif defined(STDC)
  57 #    include <stddef.h>
  58      typedef size_t z_size_t;
  59 #  else
  60      typedef unsigned long z_size_t;
  61 #  endif
  62 #  undef z_longlong
  63 #endif
  64 ZEXTERN z_size_t ZEXPORT gzfread OF((voidp buf, z_size_t size, z_size_t nitems,
  65                                      gzFile file));
  66 ZEXTERN z_size_t ZEXPORT gzfwrite OF((voidpc buf, z_size_t size,
  67                                       z_size_t nitems, gzFile file));
  68 #endif