vpx_integer.h revision ba164dffc5a6795bce97fae02b51ccf3330e15e4
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)
19typedef signed char  int8_t;
20typedef signed short int16_t;
21typedef signed int   int32_t;
22
23typedef unsigned char  uint8_t;
24typedef unsigned short uint16_t;
25typedef unsigned int   uint32_t;
26
27#if (defined(_MSC_VER) && (_MSC_VER < 1600))
28typedef signed __int64   int64_t;
29typedef unsigned __int64 uint64_t;
30#define INT64_MAX _I64_MAX
31#define INT16_MAX _I16_MAX
32#define INT16_MIN _I16_MIN
33#endif
34
35#ifndef _UINTPTR_T_DEFINED
36typedef size_t uintptr_t;
37#endif
38
39#else
40
41/* Most platforms have the C99 standard integer types. */
42
43#if defined(__cplusplus) && !defined(__STDC_FORMAT_MACROS)
44#define __STDC_FORMAT_MACROS
45#endif
46#include <stdint.h>
47
48#endif
49
50/* VS2010 defines stdint.h, but not inttypes.h */
51#if defined(_MSC_VER)
52#define PRId64 "I64d"
53#else
54#include <inttypes.h>
55#endif
56
57#endif
58