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Diffstat (limited to 'Source/ThirdParty/brotli/include/brotli/port.h')
| -rwxr-xr-x | Source/ThirdParty/brotli/include/brotli/port.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/Source/ThirdParty/brotli/include/brotli/port.h b/Source/ThirdParty/brotli/include/brotli/port.h new file mode 100755 index 000000000..16c31d426 --- /dev/null +++ b/Source/ThirdParty/brotli/include/brotli/port.h @@ -0,0 +1,146 @@ +/* Copyright 2016 Google Inc. All Rights Reserved. + + Distributed under MIT license. + See file LICENSE for detail or copy at https://opensource.org/licenses/MIT +*/ + +/* Macros for compiler / platform specific features and build options. */ + +#ifndef BROTLI_COMMON_PORT_H_ +#define BROTLI_COMMON_PORT_H_ + +/* Compatibility with non-clang compilers. */ +#ifndef __has_builtin +#define __has_builtin(x) 0 +#endif + +#ifndef __has_attribute +#define __has_attribute(x) 0 +#endif + +#ifndef __has_feature +#define __has_feature(x) 0 +#endif + +#if defined(__GNUC__) && defined(__GNUC_MINOR__) +#define BROTLI_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__) +#else +#define BROTLI_GCC_VERSION 0 +#endif + +#if defined(__ICC) +#define BROTLI_ICC_VERSION __ICC +#else +#define BROTLI_ICC_VERSION 0 +#endif + +#if defined(BROTLI_BUILD_MODERN_COMPILER) +#define BROTLI_MODERN_COMPILER 1 +#elif BROTLI_GCC_VERSION >= 304 || BROTLI_ICC_VERSION >= 1600 +#define BROTLI_MODERN_COMPILER 1 +#else +#define BROTLI_MODERN_COMPILER 0 +#endif + +/* Define "BROTLI_PREDICT_TRUE" and "BROTLI_PREDICT_FALSE" macros for capable + compilers. + +To apply compiler hint, enclose the branching condition into macros, like this: + + if (BROTLI_PREDICT_TRUE(zero == 0)) { + // main execution path + } else { + // compiler should place this code outside of main execution path + } + +OR: + + if (BROTLI_PREDICT_FALSE(something_rare_or_unexpected_happens)) { + // compiler should place this code outside of main execution path + } + +*/ +#if BROTLI_MODERN_COMPILER || __has_builtin(__builtin_expect) +#define BROTLI_PREDICT_TRUE(x) (__builtin_expect(!!(x), 1)) +#define BROTLI_PREDICT_FALSE(x) (__builtin_expect(x, 0)) +#else +#define BROTLI_PREDICT_FALSE(x) (x) +#define BROTLI_PREDICT_TRUE(x) (x) +#endif + +#if BROTLI_MODERN_COMPILER || __has_attribute(always_inline) +#define BROTLI_ATTRIBUTE_ALWAYS_INLINE __attribute__ ((always_inline)) +#else +#define BROTLI_ATTRIBUTE_ALWAYS_INLINE +#endif + +#if defined(_WIN32) || defined(__CYGWIN__) +#define BROTLI_ATTRIBUTE_VISIBILITY_HIDDEN +#elif BROTLI_MODERN_COMPILER || __has_attribute(visibility) +#define BROTLI_ATTRIBUTE_VISIBILITY_HIDDEN \ + __attribute__ ((visibility ("hidden"))) +#else +#define BROTLI_ATTRIBUTE_VISIBILITY_HIDDEN +#endif + +#ifndef BROTLI_INTERNAL +#define BROTLI_INTERNAL BROTLI_ATTRIBUTE_VISIBILITY_HIDDEN +#endif + +#if defined(BROTLI_SHARED_COMPILATION) && defined(_WIN32) +#if defined(BROTLICOMMON_SHARED_COMPILATION) +#define BROTLI_COMMON_API __declspec(dllexport) +#else +#define BROTLI_COMMON_API __declspec(dllimport) +#endif /* BROTLICOMMON_SHARED_COMPILATION */ +#if defined(BROTLIDEC_SHARED_COMPILATION) +#define BROTLI_DEC_API __declspec(dllexport) +#else +#define BROTLI_DEC_API __declspec(dllimport) +#endif /* BROTLIDEC_SHARED_COMPILATION */ +#if defined(BROTLIENC_SHARED_COMPILATION) +#define BROTLI_ENC_API __declspec(dllexport) +#else +#define BROTLI_ENC_API __declspec(dllimport) +#endif /* BROTLIENC_SHARED_COMPILATION */ +#else /* BROTLI_SHARED_COMPILATION && _WIN32 */ +#define BROTLI_COMMON_API +#define BROTLI_DEC_API +#define BROTLI_ENC_API +#endif + +#ifndef _MSC_VER +#if defined(__cplusplus) || !defined(__STRICT_ANSI__) || \ + (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) +#define BROTLI_INLINE inline BROTLI_ATTRIBUTE_ALWAYS_INLINE +#else +#define BROTLI_INLINE +#endif +#else /* _MSC_VER */ +#define BROTLI_INLINE __forceinline +#endif /* _MSC_VER */ + +#if !defined(__cplusplus) && !defined(c_plusplus) && \ + (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) +#define BROTLI_RESTRICT restrict +#elif BROTLI_GCC_VERSION > 295 || defined(__llvm__) +#define BROTLI_RESTRICT __restrict +#else +#define BROTLI_RESTRICT +#endif + +#if BROTLI_MODERN_COMPILER || __has_attribute(noinline) +#define BROTLI_NOINLINE __attribute__((noinline)) +#else +#define BROTLI_NOINLINE +#endif + +#if BROTLI_MODERN_COMPILER || __has_attribute(deprecated) +#define BROTLI_DEPRECATED __attribute__((deprecated)) +#else +#define BROTLI_DEPRECATED +#endif + +#define BROTLI_UNUSED(X) (void)(X) + +#endif /* BROTLI_COMMON_PORT_H_ */ |