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_VPX_INTEGER_H_
  13 #define VPX_VPX_INTEGER_H_
  14
  15 /* get ptrdiff_t, size_t, wchar_t, NULL */
  16 #include <stddef.h>
  17
  18 #if defined(_MSC_VER)
  19 #define VPX_FORCE_INLINE __forceinline
  20 #define VPX_INLINE __inline
  21 #else
  22 #define VPX_FORCE_INLINE __inline__ __attribute__(always_inline)
  23 // TODO(jbb): Allow a way to force inline off for older compilers.
  24 #define VPX_INLINE inline
  25 #endif
  26
  27 #if (defined(_MSC_VER) && (_MSC_VER < 1600)) || defined(VPX_EMULATE_INTTYPES)
  28 typedef signed char  int8_t;
  29 typedef signed short int16_t;
  30 typedef signed int   int32_t;
  31
  32 typedef unsigned char  uint8_t;
  33 typedef unsigned short uint16_t;
  34 typedef unsigned int   uint32_t;
  35
  36 #if (defined(_MSC_VER) && (_MSC_VER < 1600))
  37 typedef signed __int64   int64_t;
  38 typedef unsigned __int64 uint64_t;
  39 #define INT64_MAX _I64_MAX
  40 #define INT32_MAX _I32_MAX
  41 #define INT32_MIN _I32_MIN
  42 #define INT16_MAX _I16_MAX
  43 #define INT16_MIN _I16_MIN
  44 #endif
  45
  46 #ifndef _UINTPTR_T_DEFINED
  47 typedef size_t uintptr_t;
  48 #endif
  49
  50 #else
  51
  52 /* Most platforms have the C99 standard integer types. */
  53
  54 #if defined(__cplusplus)
  55 # if !defined(__STDC_FORMAT_MACROS)
  56 #  define __STDC_FORMAT_MACROS
  57 # endif
  58 # if !defined(__STDC_LIMIT_MACROS)
  59 #  define __STDC_LIMIT_MACROS
  60 # endif
  61 #endif  // __cplusplus
  62
  63 #include <stdint.h>
  64
  65 #endif
  66
  67 /* VS2010 defines stdint.h, but not inttypes.h */
  68 #if defined(_MSC_VER) && _MSC_VER < 1800
  69 #define PRId64 "I64d"
  70 #else
  71 #include <inttypes.h>
  72 #endif
  73
  74 #endif  // VPX_VPX_INTEGER_H_