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Side by Side Diff: webrtc/base/basictypes.h

Issue 2877023002: Move webrtc/{base => rtc_base} (Closed)
Patch Set: update presubmit.py and DEPS include rules Created 3 years, 5 months ago
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1 /* 1 /*
2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 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 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 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
11 #ifndef WEBRTC_BASE_BASICTYPES_H_ 11 #ifndef WEBRTC_BASE_BASICTYPES_H_
12 #define WEBRTC_BASE_BASICTYPES_H_ 12 #define WEBRTC_BASE_BASICTYPES_H_
13 13
14 #include <stddef.h> // for NULL, size_t
15 #include <stdint.h> // for uintptr_t and (u)int_t types.
16 14
17 // Detect compiler is for x86 or x64. 15 // This header is deprecated and is just left here temporarily during
18 #if defined(__x86_64__) || defined(_M_X64) || \ 16 // refactoring. See https://bugs.webrtc.org/7634 for more details.
19 defined(__i386__) || defined(_M_IX86) 17 #include "webrtc/rtc_base/basictypes.h"
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
69 18
70 #endif // WEBRTC_BASE_BASICTYPES_H_ 19 #endif // WEBRTC_BASE_BASICTYPES_H_
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