vpx/vpx_integer.h

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11
  12 #ifndef VPX_INTEGER_H
  13 #define VPX_INTEGER_H
  14
  15 /* get ptrdiff_t, size_t, wchar_t, NULL */
  16 #include <stddef.h>
  17
  18 #if (defined(_MSC_VER) && (_MSC_VER < 1600)) || defined(VPX_EMULATE_INTTYPES)
  19 typedef signed char  int8_t;
  20 typedef signed short int16_t;
  21 typedef signed int   int32_t;
  22
  23 typedef unsigned char  uint8_t;
  24 typedef unsigned short uint16_t;
  25 typedef unsigned int   uint32_t;
  26
  27 #if (defined(_MSC_VER) && (_MSC_VER < 1600))
  28 typedef signed __int64   int64_t;
  29 typedef unsigned __int64 uint64_t;
  30 #endif
  31
  32 #ifdef HAVE_ARMV6
  33 typedef unsigned int int_fast16_t;
  34 #else
  35 typedef signed short int_fast16_t;
  36 #endif
  37 typedef signed char int_fast8_t;
  38 typedef unsigned char uint_fast8_t;
  39
  40 #ifndef _UINTPTR_T_DEFINED
  41 typedef unsigned int   uintptr_t;
  42 #endif
  43
  44 #else
  45
  46 /* Most platforms have the C99 standard integer types. */
  47
  48 #if defined(__cplusplus) && !defined(__STDC_FORMAT_MACROS)
  49 #define __STDC_FORMAT_MACROS
  50 #endif
  51 #include <stdint.h>
  52
  53 #endif
  54
  55 /* VS2010 defines stdint.h, but not inttypes.h */
  56 #if defined(_MSC_VER)
  57 #define PRId64 "I64d"
  58 #else
  59 #include <inttypes.h>
  60 #endif
  61
  62 #endif