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Diffstat (limited to 'src/google/protobuf/stubs/port.h')
| -rw-r--r-- | src/google/protobuf/stubs/port.h | 391 |
1 files changed, 0 insertions, 391 deletions
diff --git a/src/google/protobuf/stubs/port.h b/src/google/protobuf/stubs/port.h deleted file mode 100644 index 328258b7..00000000 --- a/src/google/protobuf/stubs/port.h +++ /dev/null @@ -1,391 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#ifndef GOOGLE_PROTOBUF_STUBS_PORT_H_ -#define GOOGLE_PROTOBUF_STUBS_PORT_H_ - -#include <assert.h> -#include <stdlib.h> -#include <cstddef> -#include <string> -#include <string.h> -#if defined(__osf__) -// Tru64 lacks stdint.h, but has inttypes.h which defines a superset of -// what stdint.h would define. -#include <inttypes.h> -#elif !defined(_MSC_VER) -#include <stdint.h> -#endif - -#undef PROTOBUF_LITTLE_ENDIAN -#ifdef _WIN32 - // Assuming windows is always little-endian. - // TODO(xiaofeng): The PROTOBUF_LITTLE_ENDIAN is not only used for - // optimization but also for correctness. We should define an - // different macro to test the big-endian code path in coded_stream. - #if !defined(PROTOBUF_DISABLE_LITTLE_ENDIAN_OPT_FOR_TEST) - #define PROTOBUF_LITTLE_ENDIAN 1 - #endif - #if _MSC_VER >= 1300 && !defined(__INTEL_COMPILER) - // If MSVC has "/RTCc" set, it will complain about truncating casts at - // runtime. This file contains some intentional truncating casts. - #pragma runtime_checks("c", off) - #endif -#else - #include <sys/param.h> // __BYTE_ORDER - #if ((defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__)) || \ - (defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN)) && \ - !defined(PROTOBUF_DISABLE_LITTLE_ENDIAN_OPT_FOR_TEST) - #define PROTOBUF_LITTLE_ENDIAN 1 - #endif -#endif -#if defined(_MSC_VER) && defined(PROTOBUF_USE_DLLS) - #ifdef LIBPROTOBUF_EXPORTS - #define LIBPROTOBUF_EXPORT __declspec(dllexport) - #else - #define LIBPROTOBUF_EXPORT __declspec(dllimport) - #endif - #ifdef LIBPROTOC_EXPORTS - #define LIBPROTOC_EXPORT __declspec(dllexport) - #else - #define LIBPROTOC_EXPORT __declspec(dllimport) - #endif -#else - #define LIBPROTOBUF_EXPORT - #define LIBPROTOC_EXPORT -#endif - -// These #includes are for the byte swap functions declared later on. -#ifdef _MSC_VER -#include <stdlib.h> // NOLINT(build/include) -#elif defined(__APPLE__) -#include <libkern/OSByteOrder.h> -#elif defined(__GLIBC__) || defined(__CYGWIN__) -#include <byteswap.h> // IWYU pragma: export -#endif - -// =================================================================== -// from google3/base/port.h -namespace google { -namespace protobuf { - -typedef unsigned int uint; - -#ifdef _MSC_VER -typedef signed __int8 int8; -typedef __int16 int16; -typedef __int32 int32; -typedef __int64 int64; - -typedef unsigned __int8 uint8; -typedef unsigned __int16 uint16; -typedef unsigned __int32 uint32; -typedef unsigned __int64 uint64; -#else -typedef signed char int8; -typedef short int16; -typedef int int32; -typedef long long int64; - -typedef unsigned char uint8; -typedef unsigned short uint16; -typedef unsigned int uint32; -typedef unsigned long long uint64; -#endif - -// long long macros to be used because gcc and vc++ use different suffixes, -// and different size specifiers in format strings -#undef GOOGLE_LONGLONG -#undef GOOGLE_ULONGLONG -#undef GOOGLE_LL_FORMAT - -#ifdef _MSC_VER -#define GOOGLE_LONGLONG(x) x##I64 -#define GOOGLE_ULONGLONG(x) x##UI64 -#define GOOGLE_LL_FORMAT "I64" // As in printf("%I64d", ...) -#else -#define GOOGLE_LONGLONG(x) x##LL -#define GOOGLE_ULONGLONG(x) x##ULL -#define GOOGLE_LL_FORMAT "ll" // As in "%lld". Note that "q" is poor form also. -#endif - -static const int32 kint32max = 0x7FFFFFFF; -static const int32 kint32min = -kint32max - 1; -static const int64 kint64max = GOOGLE_LONGLONG(0x7FFFFFFFFFFFFFFF); -static const int64 kint64min = -kint64max - 1; -static const uint32 kuint32max = 0xFFFFFFFFu; -static const uint64 kuint64max = GOOGLE_ULONGLONG(0xFFFFFFFFFFFFFFFF); - -// ------------------------------------------------------------------- -// Annotations: Some parts of the code have been annotated in ways that might -// be useful to some compilers or tools, but are not supported universally. -// You can #define these annotations yourself if the default implementation -// is not right for you. - -#ifndef GOOGLE_ATTRIBUTE_ALWAYS_INLINE -#if defined(__GNUC__) && (__GNUC__ > 3 ||(__GNUC__ == 3 && __GNUC_MINOR__ >= 1)) -// For functions we want to force inline. -// Introduced in gcc 3.1. -#define GOOGLE_ATTRIBUTE_ALWAYS_INLINE __attribute__ ((always_inline)) -#else -// Other compilers will have to figure it out for themselves. -#define GOOGLE_ATTRIBUTE_ALWAYS_INLINE -#endif -#endif - -#ifndef GOOGLE_ATTRIBUTE_NOINLINE -#if defined(__GNUC__) && (__GNUC__ > 3 ||(__GNUC__ == 3 && __GNUC_MINOR__ >= 1)) -// For functions we want to force not inline. -// Introduced in gcc 3.1. -#define GOOGLE_ATTRIBUTE_NOINLINE __attribute__ ((noinline)) -#elif defined(_MSC_VER) && (_MSC_VER >= 1400) -// Seems to have been around since at least Visual Studio 2005 -#define GOOGLE_ATTRIBUTE_NOINLINE __declspec(noinline) -#else -// Other compilers will have to figure it out for themselves. -#define GOOGLE_ATTRIBUTE_NOINLINE -#endif -#endif - -#ifndef GOOGLE_ATTRIBUTE_NORETURN -#ifdef __GNUC__ -// Tell the compiler that a given function never returns. -#define GOOGLE_ATTRIBUTE_NORETURN __attribute__((noreturn)) -#else -#define GOOGLE_ATTRIBUTE_NORETURN -#endif -#endif - -#ifndef GOOGLE_ATTRIBUTE_DEPRECATED -#ifdef __GNUC__ -// If the method/variable/type is used anywhere, produce a warning. -#define GOOGLE_ATTRIBUTE_DEPRECATED __attribute__((deprecated)) -#else -#define GOOGLE_ATTRIBUTE_DEPRECATED -#endif -#endif - -#ifndef GOOGLE_PREDICT_TRUE -#ifdef __GNUC__ -// Provided at least since GCC 3.0. -#define GOOGLE_PREDICT_TRUE(x) (__builtin_expect(!!(x), 1)) -#else -#define GOOGLE_PREDICT_TRUE(x) (x) -#endif -#endif - -#ifndef GOOGLE_PREDICT_FALSE -#ifdef __GNUC__ -// Provided at least since GCC 3.0. -#define GOOGLE_PREDICT_FALSE(x) (__builtin_expect(x, 0)) -#else -#define GOOGLE_PREDICT_FALSE(x) (x) -#endif -#endif - -// Delimits a block of code which may write to memory which is simultaneously -// written by other threads, but which has been determined to be thread-safe -// (e.g. because it is an idempotent write). -#ifndef GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN -#define GOOGLE_SAFE_CONCURRENT_WRITES_BEGIN() -#endif -#ifndef GOOGLE_SAFE_CONCURRENT_WRITES_END -#define GOOGLE_SAFE_CONCURRENT_WRITES_END() -#endif - -#if defined(__clang__) && defined(__has_cpp_attribute) \ - && !defined(GOOGLE_PROTOBUF_OS_APPLE) -# if defined(GOOGLE_PROTOBUF_OS_NACL) || defined(EMSCRIPTEN) || \ - __has_cpp_attribute(clang::fallthrough) -# define GOOGLE_FALLTHROUGH_INTENDED [[clang::fallthrough]] -# endif -#endif - -#ifndef GOOGLE_FALLTHROUGH_INTENDED -# define GOOGLE_FALLTHROUGH_INTENDED -#endif - -#define GOOGLE_GUARDED_BY(x) -#define GOOGLE_ATTRIBUTE_COLD - -// x86 and x86-64 can perform unaligned loads/stores directly. -#if defined(_M_X64) || defined(__x86_64__) || \ - defined(_M_IX86) || defined(__i386__) - -#define GOOGLE_UNALIGNED_LOAD16(_p) (*reinterpret_cast<const uint16 *>(_p)) -#define GOOGLE_UNALIGNED_LOAD32(_p) (*reinterpret_cast<const uint32 *>(_p)) -#define GOOGLE_UNALIGNED_LOAD64(_p) (*reinterpret_cast<const uint64 *>(_p)) - -#define GOOGLE_UNALIGNED_STORE16(_p, _val) (*reinterpret_cast<uint16 *>(_p) = (_val)) -#define GOOGLE_UNALIGNED_STORE32(_p, _val) (*reinterpret_cast<uint32 *>(_p) = (_val)) -#define GOOGLE_UNALIGNED_STORE64(_p, _val) (*reinterpret_cast<uint64 *>(_p) = (_val)) - -#else -inline uint16 GOOGLE_UNALIGNED_LOAD16(const void *p) { - uint16 t; - memcpy(&t, p, sizeof t); - return t; -} - -inline uint32 GOOGLE_UNALIGNED_LOAD32(const void *p) { - uint32 t; - memcpy(&t, p, sizeof t); - return t; -} - -inline uint64 GOOGLE_UNALIGNED_LOAD64(const void *p) { - uint64 t; - memcpy(&t, p, sizeof t); - return t; -} - -inline void GOOGLE_UNALIGNED_STORE16(void *p, uint16 v) { - memcpy(p, &v, sizeof v); -} - -inline void GOOGLE_UNALIGNED_STORE32(void *p, uint32 v) { - memcpy(p, &v, sizeof v); -} - -inline void GOOGLE_UNALIGNED_STORE64(void *p, uint64 v) { - memcpy(p, &v, sizeof v); -} -#endif - -#if defined(_MSC_VER) -#define GOOGLE_THREAD_LOCAL __declspec(thread) -#else -#define GOOGLE_THREAD_LOCAL __thread -#endif - -// The following guarantees declaration of the byte swap functions. -#ifdef _MSC_VER -#define bswap_16(x) _byteswap_ushort(x) -#define bswap_32(x) _byteswap_ulong(x) -#define bswap_64(x) _byteswap_uint64(x) - -#elif defined(__APPLE__) -// Mac OS X / Darwin features -#define bswap_16(x) OSSwapInt16(x) -#define bswap_32(x) OSSwapInt32(x) -#define bswap_64(x) OSSwapInt64(x) - -#elif !defined(__GLIBC__) && !defined(__CYGWIN__) - -static inline uint16 bswap_16(uint16 x) { - return static_cast<uint16>(((x & 0xFF) << 8) | ((x & 0xFF00) >> 8)); -} -#define bswap_16(x) bswap_16(x) -static inline uint32 bswap_32(uint32 x) { - return (((x & 0xFF) << 24) | - ((x & 0xFF00) << 8) | - ((x & 0xFF0000) >> 8) | - ((x & 0xFF000000) >> 24)); -} -#define bswap_32(x) bswap_32(x) -static inline uint64 bswap_64(uint64 x) { - return (((x & GOOGLE_ULONGLONG(0xFF)) << 56) | - ((x & GOOGLE_ULONGLONG(0xFF00)) << 40) | - ((x & GOOGLE_ULONGLONG(0xFF0000)) << 24) | - ((x & GOOGLE_ULONGLONG(0xFF000000)) << 8) | - ((x & GOOGLE_ULONGLONG(0xFF00000000)) >> 8) | - ((x & GOOGLE_ULONGLONG(0xFF0000000000)) >> 24) | - ((x & GOOGLE_ULONGLONG(0xFF000000000000)) >> 40) | - ((x & GOOGLE_ULONGLONG(0xFF00000000000000)) >> 56)); -} -#define bswap_64(x) bswap_64(x) - -#endif - -// =================================================================== -// from google3/util/endian/endian.h -LIBPROTOBUF_EXPORT uint32 ghtonl(uint32 x); - -class BigEndian { - public: -#ifdef PROTOBUF_LITTLE_ENDIAN - - static uint16 FromHost16(uint16 x) { return bswap_16(x); } - static uint16 ToHost16(uint16 x) { return bswap_16(x); } - - static uint32 FromHost32(uint32 x) { return bswap_32(x); } - static uint32 ToHost32(uint32 x) { return bswap_32(x); } - - static uint64 FromHost64(uint64 x) { return bswap_64(x); } - static uint64 ToHost64(uint64 x) { return bswap_64(x); } - - static bool IsLittleEndian() { return true; } - -#else - - static uint16 FromHost16(uint16 x) { return x; } - static uint16 ToHost16(uint16 x) { return x; } - - static uint32 FromHost32(uint32 x) { return x; } - static uint32 ToHost32(uint32 x) { return x; } - - static uint64 FromHost64(uint64 x) { return x; } - static uint64 ToHost64(uint64 x) { return x; } - - static bool IsLittleEndian() { return false; } - -#endif /* ENDIAN */ - - // Functions to do unaligned loads and stores in big-endian order. - static uint16 Load16(const void *p) { - return ToHost16(GOOGLE_UNALIGNED_LOAD16(p)); - } - - static void Store16(void *p, uint16 v) { - GOOGLE_UNALIGNED_STORE16(p, FromHost16(v)); - } - - static uint32 Load32(const void *p) { - return ToHost32(GOOGLE_UNALIGNED_LOAD32(p)); - } - - static void Store32(void *p, uint32 v) { - GOOGLE_UNALIGNED_STORE32(p, FromHost32(v)); - } - - static uint64 Load64(const void *p) { - return ToHost64(GOOGLE_UNALIGNED_LOAD64(p)); - } - - static void Store64(void *p, uint64 v) { - GOOGLE_UNALIGNED_STORE64(p, FromHost64(v)); - } -}; - - -} // namespace protobuf -} // namespace google - -#endif // GOOGLE_PROTOBUF_STUBS_PORT_H_ |