text: /*
   *  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
  
  #ifdef HAVE_CONFIG_H
  #include "config.h"  // NOLINT
  #endif
  
  // TODO(grunell): Use (u)intxx_t everywhere instead and remove these typedefs.
  typedef int8_t int8;
  typedef uint8_t uint8;
  typedef int16_t int16;
  typedef uint16_t uint16;
  typedef int32_t int32;
  typedef uint32_t uint32;
  typedef int64_t int64;
  typedef uint64_t uint64;
  
  // 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_
  