1/*
2 *  Copyright 2004 The WebRTC 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#ifndef WEBRTC_BASE_BASICTYPES_H_
12#define WEBRTC_BASE_BASICTYPES_H_
13
14#include <stddef.h>  // for NULL, size_t
15
16#if !(defined(_MSC_VER) && (_MSC_VER < 1600))
17#include <stdint.h>  // for uintptr_t
18#endif
19
20#ifdef HAVE_CONFIG_H
21#include "config.h"  // NOLINT
22#endif
23
24#include "webrtc/base/constructormagic.h"
25
26#if !defined(INT_TYPES_DEFINED)
27#define INT_TYPES_DEFINED
28#ifdef COMPILER_MSVC
29typedef unsigned __int64 uint64;
30typedef __int64 int64;
31#ifndef INT64_C
32#define INT64_C(x) x ## I64
33#endif
34#ifndef UINT64_C
35#define UINT64_C(x) x ## UI64
36#endif
37#define INT64_F "I64"
38#else  // COMPILER_MSVC
39// On Mac OS X, cssmconfig.h defines uint64 as uint64_t
40// TODO(fbarchard): Use long long for compatibility with chromium on BSD/OSX.
41#if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
42typedef uint64_t uint64;
43typedef int64_t int64;
44#ifndef INT64_C
45#define INT64_C(x) x ## LL
46#endif
47#ifndef UINT64_C
48#define UINT64_C(x) x ## ULL
49#endif
50#define INT64_F "l"
51#elif defined(__LP64__)
52typedef unsigned long uint64;  // NOLINT
53typedef long int64;  // NOLINT
54#ifndef INT64_C
55#define INT64_C(x) x ## L
56#endif
57#ifndef UINT64_C
58#define UINT64_C(x) x ## UL
59#endif
60#define INT64_F "l"
61#else  // __LP64__
62typedef unsigned long long uint64;  // NOLINT
63typedef long long int64;  // NOLINT
64#ifndef INT64_C
65#define INT64_C(x) x ## LL
66#endif
67#ifndef UINT64_C
68#define UINT64_C(x) x ## ULL
69#endif
70#define INT64_F "ll"
71#endif  // __LP64__
72#endif  // COMPILER_MSVC
73typedef unsigned int uint32;
74typedef int int32;
75typedef unsigned short uint16;  // NOLINT
76typedef short int16;  // NOLINT
77typedef unsigned char uint8;
78typedef signed char int8;
79#endif  // INT_TYPES_DEFINED
80
81// Detect compiler is for x86 or x64.
82#if defined(__x86_64__) || defined(_M_X64) || \
83    defined(__i386__) || defined(_M_IX86)
84#define CPU_X86 1
85#endif
86// Detect compiler is for arm.
87#if defined(__arm__) || defined(_M_ARM)
88#define CPU_ARM 1
89#endif
90#if defined(CPU_X86) && defined(CPU_ARM)
91#error CPU_X86 and CPU_ARM both defined.
92#endif
93#if !defined(ARCH_CPU_BIG_ENDIAN) && !defined(ARCH_CPU_LITTLE_ENDIAN)
94// x86, arm or GCC provided __BYTE_ORDER__ macros
95#if CPU_X86 || CPU_ARM ||  \
96  (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
97#define ARCH_CPU_LITTLE_ENDIAN
98#elif defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
99#define ARCH_CPU_BIG_ENDIAN
100#else
101#error ARCH_CPU_BIG_ENDIAN or ARCH_CPU_LITTLE_ENDIAN should be defined.
102#endif
103#endif
104#if defined(ARCH_CPU_BIG_ENDIAN) && defined(ARCH_CPU_LITTLE_ENDIAN)
105#error ARCH_CPU_BIG_ENDIAN and ARCH_CPU_LITTLE_ENDIAN both defined.
106#endif
107
108#if defined(WEBRTC_WIN)
109typedef int socklen_t;
110#endif
111
112// The following only works for C++
113#ifdef __cplusplus
114namespace rtc {
115  template<class T> inline T _min(T a, T b) { return (a > b) ? b : a; }
116  template<class T> inline T _max(T a, T b) { return (a < b) ? b : a; }
117
118  // For wait functions that take a number of milliseconds, kForever indicates
119  // unlimited time.
120  const int kForever = -1;
121}
122
123#define ALIGNP(p, t) \
124    (reinterpret_cast<uint8*>(((reinterpret_cast<uintptr_t>(p) + \
125    ((t) - 1)) & ~((t) - 1))))
126#define RTC_IS_ALIGNED(p, a) (!((uintptr_t)(p) & ((a) - 1)))
127
128// Use these to declare and define a static local variable (static T;) so that
129// it is leaked so that its destructors are not called at exit.
130#define LIBJINGLE_DEFINE_STATIC_LOCAL(type, name, arguments) \
131  static type& name = *new type arguments
132
133#endif  // __cplusplus
134#endif  // WEBRTC_BASE_BASICTYPES_H_
135