1/*
2 *  Copyright 2012 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// This file overrides the inclusion of webrtc/base/basictypes.h to remove
12// collisions with Chromium's base/basictypes.h.   We then add back a few
13// items that Chromium's version doesn't provide, but libjingle expects.
14
15#ifndef OVERRIDES_WEBRTC_BASE_BASICTYPES_H__
16#define OVERRIDES_WEBRTC_BASE_BASICTYPES_H__
17
18#include "base/basictypes.h"
19#include "build/build_config.h"
20
21#ifndef INT_TYPES_DEFINED
22#define INT_TYPES_DEFINED
23
24#ifdef COMPILER_MSVC
25#if _MSC_VER >= 1600
26#include <stdint.h>
27#else
28typedef unsigned __int64 uint64;
29typedef __int64 int64;
30#endif
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#ifndef INT64_C
40#define INT64_C(x) x ## LL
41#endif
42#ifndef UINT64_C
43#define UINT64_C(x) x ## ULL
44#endif
45#ifndef INT64_F
46#define INT64_F "ll"
47#endif
48#endif  // COMPILER_MSVC
49#endif  // INT_TYPES_DEFINED
50
51// Detect compiler is for x86 or x64.
52#if defined(__x86_64__) || defined(_M_X64) || \
53    defined(__i386__) || defined(_M_IX86)
54#define CPU_X86 1
55#endif
56// Detect compiler is for arm.
57#if defined(__arm__) || defined(_M_ARM)
58#define CPU_ARM 1
59#endif
60#if defined(CPU_X86) && defined(CPU_ARM)
61#error CPU_X86 and CPU_ARM both defined.
62#endif
63#if !defined(ARCH_CPU_BIG_ENDIAN) && !defined(ARCH_CPU_LITTLE_ENDIAN)
64// x86, arm or GCC provided __BYTE_ORDER__ macros
65#if CPU_X86 || CPU_ARM ||  \
66  (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
67#define ARCH_CPU_LITTLE_ENDIAN
68#elif defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
69#define ARCH_CPU_BIG_ENDIAN
70#else
71#error ARCH_CPU_BIG_ENDIAN or ARCH_CPU_LITTLE_ENDIAN should be defined.
72#endif
73#endif
74#if defined(ARCH_CPU_BIG_ENDIAN) && defined(ARCH_CPU_LITTLE_ENDIAN)
75#error ARCH_CPU_BIG_ENDIAN and ARCH_CPU_LITTLE_ENDIAN both defined.
76#endif
77
78#if defined(WEBRTC_WIN)
79typedef int socklen_t;
80#endif
81
82namespace rtc {
83template<class T> inline T _min(T a, T b) { return (a > b) ? b : a; }
84template<class T> inline T _max(T a, T b) { return (a < b) ? b : a; }
85
86// For wait functions that take a number of milliseconds, kForever indicates
87// unlimited time.
88const int kForever = -1;
89}
90
91#if defined(WEBRTC_WIN)
92#if _MSC_VER < 1700
93  #define alignof(t) __alignof(t)
94#endif
95#else  // !WEBRTC_WIN
96#define alignof(t) __alignof__(t)
97#endif  // !WEBRTC_WIN
98#define RTC_IS_ALIGNED(p, a) (0==(reinterpret_cast<uintptr_t>(p) & ((a)-1)))
99#define ALIGNP(p, t) \
100  (reinterpret_cast<uint8*>(((reinterpret_cast<uintptr_t>(p) + \
101  ((t)-1)) & ~((t)-1))))
102
103// LIBJINGLE_DEFINE_STATIC_LOCAL() is a libjingle's copy
104// of CR_DEFINE_STATIC_LOCAL().
105#define LIBJINGLE_DEFINE_STATIC_LOCAL(type, name, arguments) \
106  CR_DEFINE_STATIC_LOCAL(type, name, arguments)
107
108#endif // OVERRIDES_WEBRTC_BASE_BASICTYPES_H__
109