| /* |
| * Copyright 2004 The WebRTC Project Authors. All rights reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef WEBRTC_BASE_BASICTYPES_H_ |
| #define WEBRTC_BASE_BASICTYPES_H_ |
| |
| #include <stddef.h> // for NULL, size_t |
| #include <stdint.h> // for uintptr_t and (u)int_t types. |
| |
| // Detect compiler is for x86 or x64. |
| #if defined(__x86_64__) || defined(_M_X64) || \ |
| defined(__i386__) || defined(_M_IX86) |
| #define CPU_X86 1 |
| #endif |
| |
| // Detect compiler is for arm. |
| #if defined(__arm__) || defined(_M_ARM) |
| #define CPU_ARM 1 |
| #endif |
| |
| #if defined(CPU_X86) && defined(CPU_ARM) |
| #error CPU_X86 and CPU_ARM both defined. |
| #endif |
| |
| #if !defined(RTC_ARCH_CPU_BIG_ENDIAN) && !defined(RTC_ARCH_CPU_LITTLE_ENDIAN) |
| // x86, arm or GCC provided __BYTE_ORDER__ macros |
| #if CPU_X86 || CPU_ARM || \ |
| (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) |
| #define RTC_ARCH_CPU_LITTLE_ENDIAN |
| #elif defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
| #define RTC_ARCH_CPU_BIG_ENDIAN |
| #else |
| #error RTC_ARCH_CPU_BIG_ENDIAN or RTC_ARCH_CPU_LITTLE_ENDIAN should be defined. |
| #endif |
| #endif |
| |
| #if defined(RTC_ARCH_CPU_BIG_ENDIAN) && defined(RTC_ARCH_CPU_LITTLE_ENDIAN) |
| #error RTC_ARCH_CPU_BIG_ENDIAN and RTC_ARCH_CPU_LITTLE_ENDIAN both defined. |
| #endif |
| |
| #if defined(WEBRTC_WIN) |
| typedef int socklen_t; |
| #endif |
| |
| // The following only works for C++ |
| #ifdef __cplusplus |
| |
| #ifndef ALIGNP |
| #define ALIGNP(p, t) \ |
| (reinterpret_cast<uint8_t*>(((reinterpret_cast<uintptr_t>(p) + \ |
| ((t) - 1)) & ~((t) - 1)))) |
| #endif |
| |
| #define RTC_IS_ALIGNED(p, a) (!((uintptr_t)(p) & ((a) - 1))) |
| |
| // Use these to declare and define a static local variable that gets leaked so |
| // that its destructors are not called at exit. |
| #define RTC_DEFINE_STATIC_LOCAL(type, name, arguments) \ |
| static type& name = *new type arguments |
| |
| #endif // __cplusplus |
| |
| #endif // WEBRTC_BASE_BASICTYPES_H_ |