henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 +0000 | [diff] [blame] | 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 | |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 11 | #ifndef RTC_BASE_BASICTYPES_H_ |
| 12 | #define RTC_BASE_BASICTYPES_H_ |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 +0000 | [diff] [blame] | 13 | |
Henrik Kjellander | ec78f1c | 2017-06-29 07:52:50 +0200 | [diff] [blame] | 14 | #include <stddef.h> // for NULL, size_t |
| 15 | #include <stdint.h> // for uintptr_t and (u)int_t types. |
henrike@webrtc.org | f048872 | 2014-05-13 18:00:26 +0000 | [diff] [blame] | 16 | |
Henrik Kjellander | ec78f1c | 2017-06-29 07:52:50 +0200 | [diff] [blame] | 17 | // Detect compiler is for x86 or x64. |
| 18 | #if defined(__x86_64__) || defined(_M_X64) || \ |
| 19 | defined(__i386__) || defined(_M_IX86) |
| 20 | #define CPU_X86 1 |
| 21 | #endif |
| 22 | |
| 23 | // Detect compiler is for arm. |
| 24 | #if defined(__arm__) || defined(_M_ARM) |
| 25 | #define CPU_ARM 1 |
| 26 | #endif |
| 27 | |
| 28 | #if defined(CPU_X86) && defined(CPU_ARM) |
| 29 | #error CPU_X86 and CPU_ARM both defined. |
| 30 | #endif |
| 31 | |
| 32 | #if !defined(RTC_ARCH_CPU_BIG_ENDIAN) && !defined(RTC_ARCH_CPU_LITTLE_ENDIAN) |
| 33 | // x86, arm or GCC provided __BYTE_ORDER__ macros |
| 34 | #if defined(CPU_X86) || defined(CPU_ARM) || \ |
| 35 | (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) |
| 36 | #define RTC_ARCH_CPU_LITTLE_ENDIAN |
| 37 | #elif defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
| 38 | #define RTC_ARCH_CPU_BIG_ENDIAN |
| 39 | #else |
| 40 | #error RTC_ARCH_CPU_BIG_ENDIAN or RTC_ARCH_CPU_LITTLE_ENDIAN should be defined. |
| 41 | #endif |
| 42 | #endif |
| 43 | |
| 44 | #if defined(RTC_ARCH_CPU_BIG_ENDIAN) && defined(RTC_ARCH_CPU_LITTLE_ENDIAN) |
| 45 | #error RTC_ARCH_CPU_BIG_ENDIAN and RTC_ARCH_CPU_LITTLE_ENDIAN both defined. |
| 46 | #endif |
| 47 | |
| 48 | #if defined(WEBRTC_WIN) |
| 49 | typedef int socklen_t; |
| 50 | #endif |
| 51 | |
| 52 | // The following only works for C++ |
| 53 | #ifdef __cplusplus |
| 54 | |
| 55 | #ifndef ALIGNP |
| 56 | #define ALIGNP(p, t) \ |
| 57 | (reinterpret_cast<uint8_t*>(((reinterpret_cast<uintptr_t>(p) + \ |
| 58 | ((t) - 1)) & ~((t) - 1)))) |
| 59 | #endif |
| 60 | |
| 61 | #define RTC_IS_ALIGNED(p, a) (!((uintptr_t)(p) & ((a) - 1))) |
| 62 | |
| 63 | // Use these to declare and define a static local variable that gets leaked so |
| 64 | // that its destructors are not called at exit. |
| 65 | #define RTC_DEFINE_STATIC_LOCAL(type, name, arguments) \ |
| 66 | static type& name = *new type arguments |
| 67 | |
| 68 | #endif // __cplusplus |
henrikg | 71df77b | 2015-09-18 01:48:34 -0700 | [diff] [blame] | 69 | |
Mirko Bonadei | 92ea95e | 2017-09-15 06:47:31 +0200 | [diff] [blame] | 70 | #endif // RTC_BASE_BASICTYPES_H_ |